Kernel LLVM AMD Phenom II X4 965 testing with a MSI 890FXA-GD70 (MS-7640) v1.0 (V1.8 BIOS) and MSI NVIDIA GeForce GTX 650 Ti 1GB on ManjaroLinux 21.0.4 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2105191-HA-2105120HA73&sor&gru .
Kernel LLVM Processor Motherboard Chipset Memory Disk Graphics Audio Network OS Kernel Desktop Display Server Display Driver OpenGL Vulkan Compiler File-System Screen Resolution Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 AMD Phenom II X4 965 @ 3.30GHz (4 Cores) MSI 890FXA-GD70 (MS-7640) v1.0 (V1.8 BIOS) AMD RD890 PCI-e GFX Hydra part 16GB 116GB Samsung SSD 840 + 200GB Seagate ST3200822AS MSI NVIDIA GeForce GTX 650 Ti 1GB Realtek ALC892 Realtek RTL8111/8168/8411 ManjaroLinux 21.0.4 5.12.2-153-tkg-pds-llvm (x86_64) KDE Plasma 5.21.4 X Server 1.20.11 NVIDIA 465.27 4.6.0 1.2.168 GCC 10.2.0 + Clang 13.0.0 btrfs 1920x1080 5.12.2-153-tkg-pds (x86_64) 5.12.2-153-tkg-pds-llvm (x86_64) GCC 10.2.0 + Clang 11.1.0 + LLVM 11.1.0 5.12.2-154-tkg-pds (x86_64) 5.12.4-156-tkg-pds (x86_64) 5.12.4-157-tkg-pds (x86_64) OpenBenchmarking.org Kernel Details - Transparent Huge Pages: always Environment Details - Kernel LLVM: __GL_ExperimentalPerfStrategy=1 __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 - Kernel GCC: __GL_ExperimentalPerfStrategy=1 __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 - Kernel LLVM 11.1: __GL_ExperimentalPerfStrategy=1 __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 - Kernel GCC 11.1.1: __GL_ExperimentalPerfStrategy=1 LTO_EXTRA_CFLAGS="-fgraphite-identity -floop-nest-optimize -fgcse-las -fgcse-sm -floop-interchange -floop-strip-mine -floop-block -ftree-loop-distribution -fno-signed-zeros -fno-trapping-math -fassociative-math -freciprocal-math -fno-math-errno -ffinite-math-only -fno-rounding-math -fno-signaling-nans -fcx-limited-range -fexcess-precision=fast -fdevirtualize-at-ltrans -feliminate-unused-debug-types -ftree-vectorize -mfpmath=sse -fno-semantic-interposition -ftree-loop-distribute-patterns -malign-data=cacheline -ftree-loop-vectorize -fbranch-target-load-optimize -fno-common" __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 - Kernel GCC second: __GL_ExperimentalPerfStrategy=1 LTO_EXTRA_CFLAGS="-fgraphite-identity -floop-nest-optimize -fdevirtualize-at-ltrans -fno-semantic-interposition -fno-signed-zeros -fno-trapping-math -fassociative-math -freciprocal-math -fno-math-errno -ffinite-math-only -fno-rounding-math -fno-signaling-nans -fcx-limited-range -fexcess-precision=fast -fuse-linker-plugin -fno-fat-lto-objects" __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 - Kernel GCC -O2: __GL_ExperimentalPerfStrategy=1 LTO_EXTRA_CFLAGS="-fpredictive-commoning -fgcse-after-reload -fvect-cost-model -ftree-partial-pre -ftree-vectorize -funsafe-math-optimizations -fgraphite-identity -floop-nest-optimize -fdevirtualize-at-ltrans -fno-semantic-interposition -fno-signed-zeros -fno-trapping-math -fassociative-math -freciprocal-math -fno-math-errno -ffinite-math-only -fno-rounding-math -fno-signaling-nans -fcx-limited-range -fexcess-precision=fast -fno-plt -fuse-linker-plugin -fno-fat-lto-objects -march=native -O2" __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 Disk Details - BFQ / commit=120,compress=zstd:3,discard=async,lazytime,noatime,rw,space_cache,ssd_spread,subvol=/@home,subvolid=258 / Block Size: 4096 Processor Details - Scaling Governor: acpi-cpufreq performance - CPU Microcode: 0x10000c8 Security Details - itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Not affected + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable STIBP: disabled + srbds: Not affected + tsx_async_abort: Not affected
Kernel LLVM stress-ng: MMAP stress-ng: NUMA stress-ng: MEMFD stress-ng: Atomic stress-ng: Crypto stress-ng: Malloc stress-ng: Forking stress-ng: SENDFILE stress-ng: CPU Cache stress-ng: CPU Stress stress-ng: Semaphores stress-ng: Matrix Math stress-ng: Vector Math stress-ng: Memory Copying stress-ng: Socket Activity stress-ng: Context Switching stress-ng: Glibc C String Functions stress-ng: Glibc Qsort Data Sorting stress-ng: System V Message Passing perf-bench: Memcpy 1MB perf-bench: Memset 1MB leveldb: Fill Sync leveldb: Overwrite leveldb: Rand Fill leveldb: Seq Fill tinymembench: Standard Memcpy tinymembench: Standard Memset iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 1 iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 1 iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 32 iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 64 iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 32 iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 64 iperf: 5201 - 10 Seconds - TCP - 1 iperf: 5201 - 10 Seconds - UDP - 1 iperf: 5201 - 10 Seconds - TCP - 32 iperf: 5201 - 10 Seconds - TCP - 64 iperf: 5201 - 10 Seconds - UDP - 32 iperf: 5201 - 10 Seconds - UDP - 64 ipc-benchmark: TCP Socket - 128 ipc-benchmark: TCP Socket - 256 ipc-benchmark: TCP Socket - 512 ipc-benchmark: TCP Socket - 1024 ipc-benchmark: TCP Socket - 2048 ipc-benchmark: TCP Socket - 4096 ipc-benchmark: Unnamed Pipe - 128 ipc-benchmark: Unnamed Pipe - 256 ipc-benchmark: Unnamed Pipe - 512 ipc-benchmark: Unnamed Pipe - 1024 ipc-benchmark: Unnamed Pipe - 2048 ipc-benchmark: Unnamed Pipe - 4096 ipc-benchmark: FIFO Named Pipe - 128 ipc-benchmark: FIFO Named Pipe - 256 ipc-benchmark: FIFO Named Pipe - 512 ipc-benchmark: FIFO Named Pipe - 1024 ipc-benchmark: FIFO Named Pipe - 2048 ipc-benchmark: FIFO Named Pipe - 4096 ipc-benchmark: Unnamed Unix Domain Socket - 128 ipc-benchmark: Unnamed Unix Domain Socket - 256 ipc-benchmark: Unnamed Unix Domain Socket - 512 ipc-benchmark: Unnamed Unix Domain Socket - 1024 ipc-benchmark: Unnamed Unix Domain Socket - 2048 ipc-benchmark: Unnamed Unix Domain Socket - 4096 mbw: Memory Copy - 128 MiB mbw: Memory Copy - 512 MiB mbw: Memory Copy - 1024 MiB mbw: Memory Copy - 4096 MiB mbw: Memory Copy, Fixed Block Size - 128 MiB mbw: Memory Copy, Fixed Block Size - 512 MiB mbw: Memory Copy, Fixed Block Size - 1024 MiB mbw: Memory Copy, Fixed Block Size - 4096 MiB rocksdb: Rand Fill rocksdb: Rand Read rocksdb: Seq Fill rocksdb: Rand Fill Sync rocksdb: Read While Writing perf-bench: Epoll Wait perf-bench: Futex Hash perf-bench: Sched Pipe perf-bench: Futex Lock-Pi perf-bench: Syscall Basic apache: Static Web Page Serving openssl: RSA 4096-bit Performance postmark: Disk Transaction Performance pgbench: 1 - 1 - Read Only pgbench: 1 - 1 - Read Write pgbench: 1 - 50 - Read Only pgbench: 1 - 100 - Read Only pgbench: 1 - 250 - Read Only pgbench: 100 - 1 - Read Only ctx-clock: Context Switch Time leveldb: Hot Read leveldb: Fill Sync leveldb: Overwrite leveldb: Rand Fill leveldb: Rand Read leveldb: Seek Rand leveldb: Rand Delete leveldb: Seq Fill pgbench: 1 - 1 - Read Only - Average Latency pgbench: 1 - 1 - Read Write - Average Latency pgbench: 1 - 50 - Read Only - Average Latency pgbench: 1 - 100 - Read Only - Average Latency pgbench: 1 - 250 - Read Only - Average Latency pgbench: 100 - 1 - Read Only - Average Latency osbench: Memory Allocations mutex: Shared Mutex Lock Shared mutex: Mutex Lock Unlock spinlock mutex: Mutex Lock Unlock std::mutex mutex: Mutex Lock Unlock std::mutex mutex: Semaphore Release And Acquire mutex: Mutex Lock Unlock spinlock_amd mutex: Mutex Lock Unlock pthread_mutex mutex: Mutex Lock Unlock ticket_spinlock t-test1: 1 t-test1: 2 wireguard: hackbench: 1 - Thread hackbench: 2 - Thread hackbench: 4 - Thread hackbench: 8 - Thread hackbench: 1 - Process hackbench: 16 - Thread hackbench: 2 - Process hackbench: 4 - Process hackbench: 8 - Process hackbench: 16 - Process hackbench: 32 - Process sqlite-speedtest: Timed Time - Size 1,000 pmbench: 1 - 50% pmbench: 2 - 50% pmbench: 4 - 50% pmbench: 1 - 100% Reads pmbench: 2 - 100% Reads pmbench: 4 - 100% Reads pmbench: 1 - 100% Writes pmbench: 2 - 100% Writes pmbench: 4 - 100% Writes pmbench: 1 - 80% Reads 20% Writes pmbench: 2 - 80% Reads 20% Writes pmbench: 4 - 80% Reads 20% Writes osbench: Create Files osbench: Create Threads osbench: Launch Programs osbench: Create Processes schbench: 8 - 4 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 12.45 38 9.01 167420.30 644.00 11148830.46 19252.07 53687.47 6.84 825.59 1229760.03 11754.15 9619.98 1019.43 1877.82 548376.44 112501.83 36.82 4225731.83 5.969103 12.033610 24.9 30.3 30.5 31.6 5825.3 5702.3 100 1000 3200 6400 21412 20179 22637 1.05 20013 18133 33.6 67.1 2985001 2539979 2062968 1453827 950880 550089 2891727 2351761 1772787 1285487 814387 468875 2801157 2278454 1746678 1280989 807480 465636 1363561 1204312 1151175 936841 520300 457959 5172.974 5146.671 5152.911 5105.868 3623.863 3548.362 3575.719 3600.373 452057 13123433 534770 490063 244439 365409 7193341 214271 9738 16627566 16754.67 441.7 3713 24331 138 73013 69196 58083 19914 264 2.310 17.679 14.570 14.481 2.293 3.359 13.453 13.957 0.041 7.225 0.685 1.445 4.305 0.050 141.110659 31.9 42.9 25.5 35.0 19.0 46.9 21.3 24.9 31.999 11.041 550.068 11.979 23.060 44.099 88.294 10.387 168.261 20.910 40.361 79.201 159.749 369.548 132.190 0.1128 0.1161 0.1191 0.0623 0.0640 0.0655 0.1038 0.1065 0.1132 0.1175 0.1200 0.1240 38.822397 16.550064 95.507304 40.930907 33519 13.13 38 9.0 167641.36 642.70 11170312.20 19887.81 55850.50 6.90 828.24 1277296.32 11754.94 9629.61 1014.42 1957.06 530566.53 113135.64 36.74 4626477.31 5.913378 11.998912 25.1 31.2 31.2 32.6 5826.1 5691.5 100 1000 3200 6400 21434 20411 22822 1.05 20700 18304 33.6 67.1 2971343 2517133 2054086 1421362 944138 555085 3040261 2337377 1809330 1316913 819679 479683 3043686 2299703 1776333 1297216 811570 483511 1374745 1233688 1171213 964065 559665 473559 5259.714 5267.520 5257.927 5267.712 3715.488 3719.911 3724.204 3722.106 458917 13347834 544572 499640 239799 394078 7113178 209932 13155 16907939 18155.45 448.0 3866 266 2.389 17.435 14.125 14.137 2.411 3.393 13.161 13.547 135.699351 31.6 42.5 25.2 34.7 19.1 46.6 21.3 24.8 31.274 10.939 513.194 10.963 21.534 39.901 77.877 10.084 153.611 19.354 37.050 72.842 144.751 317.405 125.962 0.1135 0.1176 0.1206 0.0632 0.0637 0.0649 0.1032 0.1059 0.1129 0.1159 0.1209 0.1235 36.750389 15.745640 91.060797 39.486885 28597 12.71 38 8.88 168572.72 644.6 11061908.02 19280.77 54398.51 6.69 824.83 1274218.42 11766.64 9625.42 1014.43 1912.64 574464.00 111451.53 36.44 4244091.68 5.954150 12.017047 24.3 29.9 30.0 32.2 5809.3 5677.3 100 1000 3200 6400 20504 19835 21899 1.05 17735 16653 33.6 67.1 2943227 2503889 2044677 1471645 948187 562576 2722030 2283738 1798509 1279652 812768 471693 2649855 2150341 1747103 1281112 808658 469668 1336817 1209161 1120322 926277 515245 448144 5160.392 5233.318 5252.537 5240.097 3648.544 3693.634 3705.678 3689.686 449078 13283954 535796 490666 247556 375558 7006665 217433 13043 16586283 16830.43 447.8 3713 264 2.317 18.057 14.731 14.722 2.353 3.412 13.462 13.725 137.383382 31.9 42.5 25.3 35.0 19.0 46.7 21.3 24.8 32.656 11.144 555.201 12.146 23.498 44.300 88.562 11.458 176.700 20.888 41.255 81.684 161.291 349.937 131.720 0.1138 0.1182 0.1231 0.0641 0.0645 0.0672 0.1049 0.1085 0.1145 0.1194 0.1218 0.1234 39.395617 16.019980 97.432931 40.313403 28747 12.43 38 8.68 168463.99 640.73 11072394.46 19951.99 58610.15 6.88 825.79 1197368.79 11746.10 9599.18 1021.29 1907.72 580896.52 112275.43 36.56 4546211.15 5.927645 11.564334 24.8 31.7 31.2 32.9 5810.2 5662.7 100 1000 3200 6400 20974 11862 12876 1.05 12052 11544 33.6 67.1 2906209 2467568 2016930 1442407 941645 556704 3034098 2360107 1824207 1322294 809206 483566 2986912 2306298 1835701 1324519 815678 490914 1411134 1281031 1137453 933478 558725 474951 5171.806 5204.924 5221.134 5241.737 3627.968 3665.782 3682.902 3689.899 371696 12925885 490354 418203 236996 413997 7089686 199049 46045 16699690 17756.27 444.1 3886 268 2.393 17.681 13.918 14.159 2.402 3.358 12.847 13.405 143.742005 32.2 42.8 25.2 34.7 19 46.8 21.3 24.9 32.387 10.960 546.302 11.390 21.931 40.064 77.028 9.597 152.801 19.701 37.338 72.164 143.683 351.330 129.840 0.1142 0.1201 0.1218 0.0633 0.0638 0.0648 0.1065 0.1084 0.1153 0.1221 0.1218 0.1360 39.003627 14.566580 93.320211 39.476554 29393 13.45 38 8.74 168252.74 643.77 11094610.36 19873.83 56226.78 6.93 826.18 1359932.39 11704.68 9613.25 1020.78 1974.44 577601.31 112429.17 34.96 4499326.25 5.906471 12.113747 25.4 30.2 30.8 32.2 5825.9 5667.0 100 1000 3200 6400 21704 20614 23105 1.05 20959 18373 33.6 67.1 3200311 2690253 2214341 1533599 986545 578088 3015312 2386170 1809716 1294386 812662 485903 2869905 2296753 1854187 1314473 818076 483240 1485854 1316867 1238737 967927 565671 476636 5172.919 5241.098 5249.699 5247.692 3671.456 3703.653 3705.527 3706.983 416861 12068951 502525 456565 230917 416405 7118599 217939 13819 16880125 17323.23 447.9 3906 265 2.380 17.244 14.596 14.327 2.381 3.417 13.451 13.703 134.984652 31.6 42.8 25.1 34.8 18.9 46.7 21.5 24.8 31.710 10.945 518.702 11.034 21.441 39.235 74.730 9.634 149.860 19.249 36.513 71.113 146.172 313.242 126.641 0.1155 0.1161 0.1206 0.0644 0.0643 0.0639 0.1051 0.1064 0.1131 0.1176 0.1217 0.1254 35.352617 15.387853 90.103944 39.393107 33348 12.77 38 9.05 167506.68 644.11 11104734.09 19795.18 54086.78 6.97 826.11 1198806.70 11615.23 9615.20 1028.26 1954.88 550134.82 112106.26 36.40 4464126.75 5.890760 12.028411 25.0 31.3 31.3 32.3 5800.1 5687.4 100 1000 3200 6400 21977 21101 22992 1.05 20839 18311 33.6 67.1 3201959 2708985 2208139 1535220 997006 580561 2747403 2295929 1769426 1292375 814485 475802 2837381 2218924 1770294 1292587 812530 474902 1398777 1301654 1100539 925811 541133 478518 5171.078 5246.118 5237.287 5250.563 3661.057 3690.701 3701.612 3703.680 437244 13384934 524629 482867 245522 420330 7039350 206290 14193 16907112 17978.08 332.3 3866 265 2.333 17.530 14.070 14.086 2.361 3.444 13.057 13.674 135.752916 31.6 42.5 25.2 34.9 19.0 46.7 21.3 24.8 31.885 10.960 544.239 11.448 22.170 40.318 78.033 9.859 154.980 19.567 37.022 72.383 145.815 335.226 126.872 0.1168 0.1196 0.1237 0.0660 0.0649 0.0669 0.1063 0.1085 0.1171 0.1179 0.1191 0.1239 37.181290 14.147758 91.836452 38.854281 28128 OpenBenchmarking.org
Stress-NG Test: MMAP OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: MMAP Kernel GCC second Kernel GCC Kernel GCC -O2 Kernel LLVM 11.1 Kernel LLVM Kernel GCC 11.1.1 3 6 9 12 15 SE +/- 0.09, N = 15 SE +/- 0.22, N = 15 SE +/- 0.09, N = 3 SE +/- 0.19, N = 15 SE +/- 0.25, N = 12 SE +/- 0.22, N = 15 13.45 13.13 12.77 12.71 12.45 12.43 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: NUMA OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: NUMA Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC Kernel LLVM 9 18 27 36 45 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 38 38 38 38 38 38 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: MEMFD OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: MEMFD Kernel GCC -O2 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC second Kernel GCC 11.1.1 3 6 9 12 15 SE +/- 0.02, N = 3 SE +/- 0.02, N = 3 SE +/- 0.03, N = 3 SE +/- 0.01, N = 3 SE +/- 0.01, N = 3 SE +/- 0.02, N = 3 9.05 9.01 9.00 8.88 8.74 8.68 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Atomic OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Atomic Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC Kernel GCC -O2 Kernel LLVM 40K 80K 120K 160K 200K SE +/- 560.17, N = 3 SE +/- 187.43, N = 3 SE +/- 267.15, N = 3 SE +/- 368.77, N = 3 SE +/- 359.72, N = 3 SE +/- 324.01, N = 3 168572.72 168463.99 168252.74 167641.36 167506.68 167420.30 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Crypto OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Crypto Kernel LLVM 11.1 Kernel GCC -O2 Kernel LLVM Kernel GCC second Kernel GCC Kernel GCC 11.1.1 140 280 420 560 700 SE +/- 1.44, N = 3 SE +/- 1.08, N = 3 SE +/- 1.45, N = 3 SE +/- 0.64, N = 3 SE +/- 0.12, N = 3 SE +/- 2.63, N = 3 644.60 644.11 644.00 643.77 642.70 640.73 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Malloc OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Malloc Kernel GCC Kernel LLVM Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM 11.1 2M 4M 6M 8M 10M SE +/- 13169.62, N = 3 SE +/- 12093.70, N = 3 SE +/- 26817.63, N = 3 SE +/- 39979.52, N = 3 SE +/- 22435.78, N = 3 SE +/- 10798.66, N = 3 11170312.20 11148830.46 11104734.09 11094610.36 11072394.46 11061908.02 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Forking OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Forking Kernel GCC 11.1.1 Kernel GCC Kernel GCC second Kernel GCC -O2 Kernel LLVM 11.1 Kernel LLVM 4K 8K 12K 16K 20K SE +/- 62.92, N = 3 SE +/- 41.17, N = 3 SE +/- 30.59, N = 3 SE +/- 52.91, N = 3 SE +/- 97.53, N = 3 SE +/- 39.67, N = 3 19951.99 19887.81 19873.83 19795.18 19280.77 19252.07 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: SENDFILE OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: SENDFILE Kernel GCC 11.1.1 Kernel GCC second Kernel GCC Kernel LLVM 11.1 Kernel GCC -O2 Kernel LLVM 13K 26K 39K 52K 65K SE +/- 600.66, N = 5 SE +/- 48.60, N = 3 SE +/- 144.65, N = 3 SE +/- 46.31, N = 3 SE +/- 145.15, N = 3 SE +/- 107.63, N = 3 58610.15 56226.78 55850.50 54398.51 54086.78 53687.47 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: CPU Cache OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: CPU Cache Kernel GCC -O2 Kernel GCC second Kernel GCC Kernel GCC 11.1.1 Kernel LLVM Kernel LLVM 11.1 2 4 6 8 10 SE +/- 0.08, N = 3 SE +/- 0.07, N = 4 SE +/- 0.12, N = 15 SE +/- 0.03, N = 3 SE +/- 0.06, N = 15 SE +/- 0.11, N = 15 6.97 6.93 6.90 6.88 6.84 6.69 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: CPU Stress OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: CPU Stress Kernel GCC Kernel GCC second Kernel GCC -O2 Kernel GCC 11.1.1 Kernel LLVM Kernel LLVM 11.1 200 400 600 800 1000 SE +/- 0.36, N = 3 SE +/- 0.40, N = 3 SE +/- 0.22, N = 3 SE +/- 0.17, N = 3 SE +/- 2.22, N = 3 SE +/- 1.66, N = 3 828.24 826.18 826.11 825.79 825.59 824.83 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Semaphores OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Semaphores Kernel GCC second Kernel GCC Kernel LLVM 11.1 Kernel LLVM Kernel GCC -O2 Kernel GCC 11.1.1 300K 600K 900K 1200K 1500K SE +/- 6730.44, N = 3 SE +/- 9507.55, N = 15 SE +/- 14472.05, N = 3 SE +/- 10868.11, N = 15 SE +/- 15878.48, N = 15 SE +/- 13131.30, N = 3 1359932.39 1277296.32 1274218.42 1229760.03 1198806.70 1197368.79 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Matrix Math OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Matrix Math Kernel LLVM 11.1 Kernel GCC Kernel LLVM Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 3K 6K 9K 12K 15K SE +/- 0.54, N = 3 SE +/- 17.54, N = 3 SE +/- 16.83, N = 3 SE +/- 4.70, N = 3 SE +/- 21.67, N = 3 SE +/- 143.42, N = 3 11766.64 11754.94 11754.15 11746.10 11704.68 11615.23 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Vector Math OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Vector Math Kernel GCC Kernel LLVM 11.1 Kernel LLVM Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 2K 4K 6K 8K 10K SE +/- 1.82, N = 3 SE +/- 0.92, N = 3 SE +/- 10.59, N = 3 SE +/- 1.57, N = 3 SE +/- 2.27, N = 3 SE +/- 5.68, N = 3 9629.61 9625.42 9619.98 9615.20 9613.25 9599.18 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Memory Copying OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Memory Copying Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 Kernel GCC 200 400 600 800 1000 SE +/- 3.70, N = 3 SE +/- 2.92, N = 3 SE +/- 4.16, N = 3 SE +/- 6.09, N = 3 SE +/- 2.74, N = 3 SE +/- 1.52, N = 3 1028.26 1021.29 1020.78 1019.43 1014.43 1014.42 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Socket Activity OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Socket Activity Kernel GCC second Kernel GCC Kernel GCC -O2 Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel LLVM 400 800 1200 1600 2000 SE +/- 4.75, N = 3 SE +/- 2.69, N = 3 SE +/- 9.84, N = 3 SE +/- 1.60, N = 3 SE +/- 3.56, N = 3 SE +/- 1.75, N = 3 1974.44 1957.06 1954.88 1912.64 1907.72 1877.82 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Context Switching OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Context Switching Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM 11.1 Kernel GCC -O2 Kernel LLVM Kernel GCC 120K 240K 360K 480K 600K SE +/- 5035.55, N = 3 SE +/- 3817.65, N = 3 SE +/- 2034.95, N = 3 SE +/- 5702.98, N = 4 SE +/- 2752.66, N = 3 SE +/- 4193.19, N = 3 580896.52 577601.31 574464.00 550134.82 548376.44 530566.53 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Glibc C String Functions OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Glibc C String Functions Kernel GCC Kernel LLVM Kernel GCC second Kernel GCC 11.1.1 Kernel GCC -O2 Kernel LLVM 11.1 20K 40K 60K 80K 100K SE +/- 236.51, N = 3 SE +/- 495.62, N = 3 SE +/- 327.75, N = 3 SE +/- 70.50, N = 3 SE +/- 375.80, N = 3 SE +/- 415.80, N = 3 113135.64 112501.83 112429.17 112275.43 112106.26 111451.53 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Glibc Qsort Data Sorting OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Glibc Qsort Data Sorting Kernel LLVM Kernel GCC Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC -O2 Kernel GCC second 8 16 24 32 40 SE +/- 0.24, N = 3 SE +/- 0.37, N = 3 SE +/- 0.47, N = 3 SE +/- 0.44, N = 4 SE +/- 0.32, N = 3 SE +/- 0.57, N = 15 36.82 36.74 36.56 36.44 36.40 34.96 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: System V Message Passing OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: System V Message Passing Kernel GCC Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 Kernel LLVM 11.1 Kernel LLVM 1000K 2000K 3000K 4000K 5000K SE +/- 32996.49, N = 12 SE +/- 19986.42, N = 3 SE +/- 41439.13, N = 14 SE +/- 25462.59, N = 3 SE +/- 18462.77, N = 3 SE +/- 2913.62, N = 3 4626477.31 4546211.15 4499326.25 4464126.75 4244091.68 4225731.83 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
perf-bench Benchmark: Memcpy 1MB OpenBenchmarking.org GB/sec, More Is Better perf-bench Benchmark: Memcpy 1MB Kernel LLVM Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC Kernel GCC second Kernel GCC -O2 1.343 2.686 4.029 5.372 6.715 SE +/- 0.007854, N = 3 SE +/- 0.003067, N = 3 SE +/- 0.072648, N = 3 SE +/- 0.051475, N = 3 SE +/- 0.020539, N = 3 SE +/- 0.074763, N = 3 5.969103 5.954150 5.927645 5.913378 5.906471 5.890760 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
perf-bench Benchmark: Memset 1MB OpenBenchmarking.org GB/sec, More Is Better perf-bench Benchmark: Memset 1MB Kernel GCC second Kernel LLVM Kernel GCC -O2 Kernel LLVM 11.1 Kernel GCC Kernel GCC 11.1.1 3 6 9 12 15 SE +/- 0.09, N = 3 SE +/- 0.01, N = 3 SE +/- 0.08, N = 3 SE +/- 0.04, N = 3 SE +/- 0.05, N = 3 SE +/- 0.11, N = 15 12.11 12.03 12.03 12.02 12.00 11.56 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
LevelDB Benchmark: Fill Sync OpenBenchmarking.org MB/s, More Is Better LevelDB 1.22 Benchmark: Fill Sync Kernel GCC second Kernel GCC Kernel GCC -O2 Kernel LLVM Kernel GCC 11.1.1 Kernel LLVM 11.1 6 12 18 24 30 SE +/- 0.31, N = 4 SE +/- 0.31, N = 4 SE +/- 0.32, N = 3 SE +/- 0.21, N = 3 SE +/- 0.12, N = 3 SE +/- 0.26, N = 3 25.4 25.1 25.0 24.9 24.8 24.3 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Overwrite OpenBenchmarking.org MB/s, More Is Better LevelDB 1.22 Benchmark: Overwrite Kernel GCC 11.1.1 Kernel GCC -O2 Kernel GCC Kernel LLVM Kernel GCC second Kernel LLVM 11.1 7 14 21 28 35 SE +/- 0.19, N = 3 SE +/- 0.06, N = 3 SE +/- 0.23, N = 3 SE +/- 0.19, N = 3 SE +/- 0.35, N = 4 SE +/- 0.17, N = 3 31.7 31.3 31.2 30.3 30.2 29.9 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Random Fill OpenBenchmarking.org MB/s, More Is Better LevelDB 1.22 Benchmark: Random Fill Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC Kernel GCC second Kernel LLVM Kernel LLVM 11.1 7 14 21 28 35 SE +/- 0.09, N = 3 SE +/- 0.30, N = 14 SE +/- 0.24, N = 3 SE +/- 0.38, N = 3 SE +/- 0.13, N = 3 SE +/- 0.12, N = 3 31.3 31.2 31.2 30.8 30.5 30.0 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Sequential Fill OpenBenchmarking.org MB/s, More Is Better LevelDB 1.22 Benchmark: Sequential Fill Kernel GCC 11.1.1 Kernel GCC Kernel GCC -O2 Kernel GCC second Kernel LLVM 11.1 Kernel LLVM 8 16 24 32 40 SE +/- 0.27, N = 3 SE +/- 0.10, N = 3 SE +/- 0.07, N = 3 SE +/- 0.12, N = 3 SE +/- 0.12, N = 3 SE +/- 0.12, N = 3 32.9 32.6 32.3 32.2 32.2 31.6 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
Tinymembench Standard Memcpy OpenBenchmarking.org MB/s, More Is Better Tinymembench 2018-05-28 Standard Memcpy Kernel GCC Kernel GCC second Kernel LLVM Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC -O2 1200 2400 3600 4800 6000 SE +/- 8.19, N = 3 SE +/- 1.99, N = 3 SE +/- 10.38, N = 3 SE +/- 6.44, N = 3 SE +/- 6.50, N = 3 SE +/- 2.99, N = 3 5826.1 5825.9 5825.3 5810.2 5809.3 5800.1 1. (CC) gcc options: -O2 -lm
Tinymembench Standard Memset OpenBenchmarking.org MB/s, More Is Better Tinymembench 2018-05-28 Standard Memset Kernel LLVM Kernel GCC Kernel GCC -O2 Kernel LLVM 11.1 Kernel GCC second Kernel GCC 11.1.1 1200 2400 3600 4800 6000 SE +/- 15.70, N = 3 SE +/- 2.89, N = 3 SE +/- 6.23, N = 3 SE +/- 3.21, N = 3 SE +/- 9.59, N = 3 SE +/- 11.53, N = 3 5702.3 5691.5 5687.4 5677.3 5667.0 5662.7 1. (CC) gcc options: -O2 -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 1 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 1 Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC Kernel LLVM 20 40 60 80 100 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 100 100 100 100 100 100 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 1 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 1 Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC Kernel LLVM 200 400 600 800 1000 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 1000 1000 1000 1000 1000 1000 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 32 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 32 Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC Kernel LLVM 700 1400 2100 2800 3500 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 3200 3200 3200 3200 3200 3200 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 64 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 64 Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC Kernel LLVM 1400 2800 4200 5600 7000 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 6400 6400 6400 6400 6400 6400 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 32 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 32 Kernel GCC -O2 Kernel GCC second Kernel GCC Kernel LLVM Kernel GCC 11.1.1 Kernel LLVM 11.1 5K 10K 15K 20K 25K SE +/- 76.26, N = 3 SE +/- 77.80, N = 3 SE +/- 131.93, N = 3 SE +/- 114.44, N = 3 SE +/- 124.77, N = 3 SE +/- 267.82, N = 3 21977 21704 21434 21412 20974 20504 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 64 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 64 Kernel GCC -O2 Kernel GCC second Kernel GCC Kernel LLVM Kernel LLVM 11.1 Kernel GCC 11.1.1 5K 10K 15K 20K 25K SE +/- 152.24, N = 3 SE +/- 71.62, N = 3 SE +/- 36.96, N = 3 SE +/- 67.90, N = 3 SE +/- 13.02, N = 3 SE +/- 948.81, N = 15 21101 20614 20411 20179 19835 11862 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 1 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 1 Kernel GCC second Kernel GCC -O2 Kernel GCC Kernel LLVM Kernel LLVM 11.1 Kernel GCC 11.1.1 5K 10K 15K 20K 25K SE +/- 353.22, N = 14 SE +/- 214.91, N = 3 SE +/- 85.32, N = 3 SE +/- 273.77, N = 15 SE +/- 212.79, N = 3 SE +/- 109.87, N = 3 23105 22992 22822 22637 21899 12876 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 1 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 1 Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC Kernel LLVM 0.2363 0.4726 0.7089 0.9452 1.1815 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 1.05 1.05 1.05 1.05 1.05 1.05 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 32 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 32 Kernel GCC second Kernel GCC -O2 Kernel GCC Kernel LLVM Kernel LLVM 11.1 Kernel GCC 11.1.1 4K 8K 12K 16K 20K SE +/- 81.42, N = 3 SE +/- 174.36, N = 3 SE +/- 135.39, N = 3 SE +/- 187.37, N = 7 SE +/- 647.29, N = 15 SE +/- 142.34, N = 3 20959 20839 20700 20013 17735 12052 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 64 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 64 Kernel GCC second Kernel GCC -O2 Kernel GCC Kernel LLVM Kernel LLVM 11.1 Kernel GCC 11.1.1 4K 8K 12K 16K 20K SE +/- 43.64, N = 3 SE +/- 113.92, N = 13 SE +/- 78.33, N = 3 SE +/- 203.43, N = 4 SE +/- 425.25, N = 15 SE +/- 152.42, N = 3 18373 18311 18304 18133 16653 11544 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 32 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 32 Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC Kernel LLVM 8 16 24 32 40 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.03, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 33.6 33.6 33.6 33.6 33.6 33.6 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 64 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 64 Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC Kernel LLVM 15 30 45 60 75 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 67.1 67.1 67.1 67.1 67.1 67.1 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
IPC_benchmark Type: TCP Socket - Message Bytes: 128 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 128 Kernel GCC -O2 Kernel GCC second Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 700K 1400K 2100K 2800K 3500K SE +/- 2017.31, N = 3 SE +/- 20923.59, N = 3 SE +/- 10452.71, N = 3 SE +/- 24608.70, N = 9 SE +/- 41324.96, N = 3 SE +/- 1162.56, N = 3 3201959 3200311 2985001 2971343 2943227 2906209
IPC_benchmark Type: TCP Socket - Message Bytes: 256 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 256 Kernel GCC -O2 Kernel GCC second Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 600K 1200K 1800K 2400K 3000K SE +/- 19005.72, N = 3 SE +/- 25609.87, N = 3 SE +/- 9721.39, N = 3 SE +/- 22225.96, N = 7 SE +/- 16570.75, N = 15 SE +/- 13535.65, N = 3 2708985 2690253 2539979 2517133 2503889 2467568
IPC_benchmark Type: TCP Socket - Message Bytes: 512 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 512 Kernel GCC second Kernel GCC -O2 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 500K 1000K 1500K 2000K 2500K SE +/- 6757.28, N = 3 SE +/- 8935.81, N = 3 SE +/- 11997.79, N = 3 SE +/- 2605.04, N = 3 SE +/- 21799.46, N = 4 SE +/- 3867.40, N = 3 2214341 2208139 2062968 2054086 2044677 2016930
IPC_benchmark Type: TCP Socket - Message Bytes: 1024 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 1024 Kernel GCC -O2 Kernel GCC second Kernel LLVM 11.1 Kernel LLVM Kernel GCC 11.1.1 Kernel GCC 300K 600K 900K 1200K 1500K SE +/- 4706.27, N = 3 SE +/- 3631.62, N = 3 SE +/- 3846.75, N = 3 SE +/- 2398.52, N = 3 SE +/- 3612.27, N = 3 SE +/- 2423.58, N = 3 1535220 1533599 1471645 1453827 1442407 1421362
IPC_benchmark Type: TCP Socket - Message Bytes: 2048 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 2048 Kernel GCC -O2 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 Kernel GCC Kernel GCC 11.1.1 200K 400K 600K 800K 1000K SE +/- 5500.46, N = 3 SE +/- 4775.33, N = 3 SE +/- 5079.92, N = 3 SE +/- 4947.37, N = 3 SE +/- 8681.93, N = 3 SE +/- 8337.04, N = 3 997006 986545 950880 948187 944138 941645
IPC_benchmark Type: TCP Socket - Message Bytes: 4096 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 4096 Kernel GCC -O2 Kernel GCC second Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC Kernel LLVM 120K 240K 360K 480K 600K SE +/- 1256.22, N = 3 SE +/- 598.96, N = 3 SE +/- 1685.44, N = 3 SE +/- 2367.23, N = 3 SE +/- 4984.28, N = 3 SE +/- 1970.04, N = 3 580561 578088 562576 556704 555085 550089
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 128 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 128 Kernel GCC Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel GCC -O2 Kernel LLVM 11.1 700K 1400K 2100K 2800K 3500K SE +/- 34085.75, N = 4 SE +/- 33830.67, N = 15 SE +/- 27841.96, N = 15 SE +/- 22099.44, N = 3 SE +/- 6220.95, N = 3 SE +/- 11315.58, N = 3 3040261 3034098 3015312 2891727 2747403 2722030
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 256 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 256 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM Kernel GCC Kernel GCC -O2 Kernel LLVM 11.1 500K 1000K 1500K 2000K 2500K SE +/- 29647.93, N = 3 SE +/- 27586.82, N = 3 SE +/- 31763.45, N = 3 SE +/- 17228.51, N = 3 SE +/- 18083.45, N = 3 SE +/- 18436.29, N = 3 2386170 2360107 2351761 2337377 2295929 2283738
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 512 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 512 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC Kernel LLVM 11.1 Kernel LLVM Kernel GCC -O2 400K 800K 1200K 1600K 2000K SE +/- 6345.89, N = 3 SE +/- 12640.74, N = 3 SE +/- 16098.73, N = 3 SE +/- 15480.54, N = 15 SE +/- 1897.32, N = 3 SE +/- 6177.70, N = 3 1824207 1809716 1809330 1798509 1772787 1769426
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 1024 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 1024 Kernel GCC 11.1.1 Kernel GCC Kernel GCC second Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 300K 600K 900K 1200K 1500K SE +/- 5287.17, N = 3 SE +/- 9574.67, N = 3 SE +/- 3044.19, N = 3 SE +/- 1835.76, N = 3 SE +/- 3654.53, N = 3 SE +/- 16798.04, N = 3 1322294 1316913 1294386 1292375 1285487 1279652
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 2048 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 2048 Kernel GCC Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 Kernel GCC second Kernel GCC 11.1.1 200K 400K 600K 800K 1000K SE +/- 856.11, N = 3 SE +/- 1759.52, N = 3 SE +/- 1382.62, N = 3 SE +/- 4500.55, N = 3 SE +/- 589.62, N = 3 SE +/- 1812.61, N = 3 819679 814485 814387 812768 812662 809206
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 4096 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 4096 Kernel GCC second Kernel GCC 11.1.1 Kernel GCC Kernel GCC -O2 Kernel LLVM 11.1 Kernel LLVM 100K 200K 300K 400K 500K SE +/- 930.84, N = 3 SE +/- 2203.58, N = 3 SE +/- 4438.60, N = 3 SE +/- 971.00, N = 3 SE +/- 1532.35, N = 3 SE +/- 3477.35, N = 3 485903 483566 479683 475802 471693 468875
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 128 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 128 Kernel GCC Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 700K 1400K 2100K 2800K 3500K SE +/- 29770.09, N = 3 SE +/- 8055.70, N = 3 SE +/- 41098.36, N = 3 SE +/- 21895.31, N = 3 SE +/- 18345.59, N = 3 SE +/- 35347.02, N = 3 3043686 2986912 2869905 2837381 2801157 2649855
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 256 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 256 Kernel GCC 11.1.1 Kernel GCC Kernel GCC second Kernel LLVM Kernel GCC -O2 Kernel LLVM 11.1 500K 1000K 1500K 2000K 2500K SE +/- 18030.45, N = 3 SE +/- 4874.11, N = 3 SE +/- 20679.46, N = 3 SE +/- 5587.94, N = 3 SE +/- 4510.34, N = 3 SE +/- 4551.71, N = 3 2306298 2299703 2296753 2278454 2218924 2150341
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 512 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 512 Kernel GCC second Kernel GCC 11.1.1 Kernel GCC Kernel GCC -O2 Kernel LLVM 11.1 Kernel LLVM 400K 800K 1200K 1600K 2000K SE +/- 19391.93, N = 3 SE +/- 14438.74, N = 3 SE +/- 19241.60, N = 3 SE +/- 4155.22, N = 3 SE +/- 8871.35, N = 3 SE +/- 24548.29, N = 3 1854187 1835701 1776333 1770294 1747103 1746678
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 1024 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 1024 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC Kernel GCC -O2 Kernel LLVM 11.1 Kernel LLVM 300K 600K 900K 1200K 1500K SE +/- 6078.06, N = 3 SE +/- 17470.09, N = 3 SE +/- 1557.87, N = 3 SE +/- 15641.76, N = 3 SE +/- 2437.79, N = 3 SE +/- 2998.97, N = 3 1324519 1314473 1297216 1292587 1281112 1280989
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 2048 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 2048 Kernel GCC second Kernel GCC 11.1.1 Kernel GCC -O2 Kernel GCC Kernel LLVM 11.1 Kernel LLVM 200K 400K 600K 800K 1000K SE +/- 1983.50, N = 3 SE +/- 4963.31, N = 3 SE +/- 1066.83, N = 3 SE +/- 1585.30, N = 3 SE +/- 5943.58, N = 3 SE +/- 1912.41, N = 3 818076 815678 812530 811570 808658 807480
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 4096 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 4096 Kernel GCC 11.1.1 Kernel GCC Kernel GCC second Kernel GCC -O2 Kernel LLVM 11.1 Kernel LLVM 110K 220K 330K 440K 550K SE +/- 851.18, N = 3 SE +/- 1945.98, N = 3 SE +/- 1490.36, N = 3 SE +/- 189.67, N = 3 SE +/- 3051.56, N = 3 SE +/- 2657.74, N = 3 490914 483511 483240 474902 469668 465636
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 128 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 128 Kernel GCC second Kernel GCC 11.1.1 Kernel GCC -O2 Kernel GCC Kernel LLVM Kernel LLVM 11.1 300K 600K 900K 1200K 1500K SE +/- 4576.08, N = 3 SE +/- 4904.13, N = 3 SE +/- 18291.13, N = 3 SE +/- 4747.41, N = 3 SE +/- 4775.86, N = 3 SE +/- 5815.34, N = 3 1485854 1411134 1398777 1374745 1363561 1336817
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 256 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 256 Kernel GCC second Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC Kernel LLVM 11.1 Kernel LLVM 300K 600K 900K 1200K 1500K SE +/- 2434.45, N = 3 SE +/- 3399.89, N = 3 SE +/- 17761.76, N = 3 SE +/- 1670.87, N = 3 SE +/- 7325.27, N = 3 SE +/- 4752.07, N = 3 1316867 1301654 1281031 1233688 1209161 1204312
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 512 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 512 Kernel GCC second Kernel GCC Kernel LLVM Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC -O2 300K 600K 900K 1200K 1500K SE +/- 13961.99, N = 4 SE +/- 4109.25, N = 3 SE +/- 1165.49, N = 3 SE +/- 5290.86, N = 3 SE +/- 7819.75, N = 12 SE +/- 6916.65, N = 3 1238737 1171213 1151175 1137453 1120322 1100539
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 1024 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 1024 Kernel GCC second Kernel GCC Kernel LLVM Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC -O2 200K 400K 600K 800K 1000K SE +/- 6708.05, N = 13 SE +/- 4520.85, N = 3 SE +/- 1701.21, N = 3 SE +/- 3632.86, N = 3 SE +/- 3059.81, N = 3 SE +/- 1656.80, N = 3 967927 964065 936841 933478 926277 925811
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 2048 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 2048 Kernel GCC second Kernel GCC Kernel GCC 11.1.1 Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 120K 240K 360K 480K 600K SE +/- 2914.07, N = 3 SE +/- 1280.33, N = 3 SE +/- 3911.99, N = 3 SE +/- 968.00, N = 3 SE +/- 359.60, N = 3 SE +/- 1696.10, N = 3 565671 559665 558725 541133 520300 515245
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 4096 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 4096 Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel GCC Kernel LLVM Kernel LLVM 11.1 100K 200K 300K 400K 500K SE +/- 2014.43, N = 3 SE +/- 784.80, N = 3 SE +/- 1315.59, N = 3 SE +/- 1755.44, N = 3 SE +/- 1305.06, N = 3 SE +/- 680.61, N = 3 478518 476636 474951 473559 457959 448144
MBW Test: Memory Copy - Array Size: 128 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy - Array Size: 128 MiB Kernel GCC Kernel LLVM Kernel GCC second Kernel GCC 11.1.1 Kernel GCC -O2 Kernel LLVM 11.1 1100 2200 3300 4400 5500 SE +/- 7.70, N = 3 SE +/- 12.43, N = 3 SE +/- 28.41, N = 3 SE +/- 6.49, N = 3 SE +/- 37.69, N = 3 SE +/- 19.56, N = 3 5259.71 5172.97 5172.92 5171.81 5171.08 5160.39 1. (CC) gcc options: -O3 -march=native
MBW Test: Memory Copy - Array Size: 512 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy - Array Size: 512 MiB Kernel GCC Kernel GCC -O2 Kernel GCC second Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel LLVM 1100 2200 3300 4400 5500 SE +/- 8.07, N = 3 SE +/- 13.23, N = 3 SE +/- 16.62, N = 3 SE +/- 9.52, N = 3 SE +/- 10.80, N = 3 SE +/- 12.30, N = 3 5267.52 5246.12 5241.10 5233.32 5204.92 5146.67 1. (CC) gcc options: -O3 -march=native
MBW Test: Memory Copy - Array Size: 1024 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy - Array Size: 1024 MiB Kernel GCC Kernel LLVM 11.1 Kernel GCC second Kernel GCC -O2 Kernel GCC 11.1.1 Kernel LLVM 1100 2200 3300 4400 5500 SE +/- 1.90, N = 3 SE +/- 7.65, N = 3 SE +/- 7.19, N = 3 SE +/- 6.22, N = 3 SE +/- 4.69, N = 3 SE +/- 18.98, N = 3 5257.93 5252.54 5249.70 5237.29 5221.13 5152.91 1. (CC) gcc options: -O3 -march=native
MBW Test: Memory Copy - Array Size: 4096 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy - Array Size: 4096 MiB Kernel GCC Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel LLVM 1100 2200 3300 4400 5500 SE +/- 5.16, N = 3 SE +/- 6.35, N = 3 SE +/- 0.18, N = 3 SE +/- 4.84, N = 3 SE +/- 9.07, N = 3 SE +/- 62.83, N = 3 5267.71 5250.56 5247.69 5241.74 5240.10 5105.87 1. (CC) gcc options: -O3 -march=native
MBW Test: Memory Copy, Fixed Block Size - Array Size: 128 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy, Fixed Block Size - Array Size: 128 MiB Kernel GCC Kernel GCC second Kernel GCC -O2 Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel LLVM 800 1600 2400 3200 4000 SE +/- 2.94, N = 3 SE +/- 23.29, N = 3 SE +/- 32.34, N = 3 SE +/- 1.33, N = 3 SE +/- 6.48, N = 3 SE +/- 3.01, N = 3 3715.49 3671.46 3661.06 3648.54 3627.97 3623.86 1. (CC) gcc options: -O3 -march=native
MBW Test: Memory Copy, Fixed Block Size - Array Size: 512 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy, Fixed Block Size - Array Size: 512 MiB Kernel GCC Kernel GCC second Kernel LLVM 11.1 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel LLVM 800 1600 2400 3200 4000 SE +/- 4.41, N = 3 SE +/- 3.51, N = 3 SE +/- 6.66, N = 3 SE +/- 9.26, N = 3 SE +/- 2.51, N = 3 SE +/- 1.95, N = 3 3719.91 3703.65 3693.63 3690.70 3665.78 3548.36 1. (CC) gcc options: -O3 -march=native
MBW Test: Memory Copy, Fixed Block Size - Array Size: 1024 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy, Fixed Block Size - Array Size: 1024 MiB Kernel GCC Kernel LLVM 11.1 Kernel GCC second Kernel GCC -O2 Kernel GCC 11.1.1 Kernel LLVM 800 1600 2400 3200 4000 SE +/- 1.03, N = 3 SE +/- 3.36, N = 3 SE +/- 1.51, N = 3 SE +/- 3.42, N = 3 SE +/- 5.81, N = 3 SE +/- 5.31, N = 3 3724.20 3705.68 3705.53 3701.61 3682.90 3575.72 1. (CC) gcc options: -O3 -march=native
MBW Test: Memory Copy, Fixed Block Size - Array Size: 4096 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy, Fixed Block Size - Array Size: 4096 MiB Kernel GCC Kernel GCC second Kernel GCC -O2 Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel LLVM 800 1600 2400 3200 4000 SE +/- 0.67, N = 3 SE +/- 2.01, N = 3 SE +/- 1.60, N = 3 SE +/- 2.63, N = 3 SE +/- 3.81, N = 3 SE +/- 37.05, N = 3 3722.11 3706.98 3703.68 3689.90 3689.69 3600.37 1. (CC) gcc options: -O3 -march=native
Facebook RocksDB Test: Random Fill OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Random Fill Kernel GCC Kernel LLVM Kernel LLVM 11.1 Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 100K 200K 300K 400K 500K SE +/- 3750.21, N = 3 SE +/- 3333.72, N = 3 SE +/- 3376.28, N = 3 SE +/- 3221.54, N = 3 SE +/- 1435.13, N = 3 SE +/- 4304.32, N = 3 458917 452057 449078 437244 416861 371696 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Facebook RocksDB Test: Random Read OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Random Read Kernel GCC -O2 Kernel GCC Kernel LLVM 11.1 Kernel LLVM Kernel GCC 11.1.1 Kernel GCC second 3M 6M 9M 12M 15M SE +/- 50538.88, N = 3 SE +/- 85590.38, N = 3 SE +/- 47642.98, N = 3 SE +/- 59134.09, N = 3 SE +/- 32869.63, N = 3 SE +/- 59121.96, N = 3 13384934 13347834 13283954 13123433 12925885 12068951 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Facebook RocksDB Test: Sequential Fill OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Sequential Fill Kernel GCC Kernel LLVM 11.1 Kernel LLVM Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 120K 240K 360K 480K 600K SE +/- 2578.31, N = 3 SE +/- 6929.94, N = 3 SE +/- 3023.00, N = 3 SE +/- 5581.80, N = 3 SE +/- 2884.73, N = 3 SE +/- 3481.21, N = 3 544572 535796 534770 524629 502525 490354 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Facebook RocksDB Test: Random Fill Sync OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Random Fill Sync Kernel GCC Kernel LLVM 11.1 Kernel LLVM Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 110K 220K 330K 440K 550K SE +/- 1981.98, N = 3 SE +/- 4275.49, N = 3 SE +/- 2169.84, N = 3 SE +/- 2628.65, N = 3 SE +/- 2054.68, N = 3 SE +/- 5443.53, N = 3 499640 490666 490063 482867 456565 418203 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Facebook RocksDB Test: Read While Writing OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Read While Writing Kernel LLVM 11.1 Kernel GCC -O2 Kernel LLVM Kernel GCC Kernel GCC 11.1.1 Kernel GCC second 50K 100K 150K 200K 250K SE +/- 5773.77, N = 14 SE +/- 3485.16, N = 14 SE +/- 5812.42, N = 14 SE +/- 772.88, N = 3 SE +/- 2701.00, N = 3 SE +/- 2840.83, N = 3 247556 245522 244439 239799 236996 230917 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
perf-bench Benchmark: Epoll Wait OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Epoll Wait Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel GCC Kernel LLVM 11.1 Kernel LLVM 90K 180K 270K 360K 450K SE +/- 1831.78, N = 3 SE +/- 3943.79, N = 3 SE +/- 1873.36, N = 3 SE +/- 4664.03, N = 3 SE +/- 1651.40, N = 3 SE +/- 2596.83, N = 3 420330 416405 413997 394078 375558 365409 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
perf-bench Benchmark: Futex Hash OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Futex Hash Kernel LLVM Kernel GCC second Kernel GCC Kernel GCC 11.1.1 Kernel GCC -O2 Kernel LLVM 11.1 1.5M 3M 4.5M 6M 7.5M SE +/- 9923.07, N = 3 SE +/- 17406.92, N = 3 SE +/- 5828.57, N = 3 SE +/- 11648.66, N = 3 SE +/- 31223.20, N = 3 SE +/- 9731.70, N = 3 7193341 7118599 7113178 7089686 7039350 7006665 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
perf-bench Benchmark: Sched Pipe OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Sched Pipe Kernel GCC second Kernel LLVM 11.1 Kernel LLVM Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 50K 100K 150K 200K 250K SE +/- 2622.47, N = 3 SE +/- 861.60, N = 3 SE +/- 896.38, N = 3 SE +/- 569.18, N = 3 SE +/- 1452.53, N = 3 SE +/- 296.37, N = 3 217939 217433 214271 209932 206290 199049 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
perf-bench Benchmark: Futex Lock-Pi OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Futex Lock-Pi Kernel GCC 11.1.1 Kernel GCC -O2 Kernel GCC second Kernel GCC Kernel LLVM 11.1 Kernel LLVM 10K 20K 30K 40K 50K SE +/- 2731.13, N = 12 SE +/- 199.05, N = 3 SE +/- 136.18, N = 3 SE +/- 20.00, N = 3 SE +/- 12.14, N = 3 SE +/- 7.69, N = 3 46045 14193 13819 13155 13043 9738 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
perf-bench Benchmark: Syscall Basic OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Syscall Basic Kernel GCC Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM Kernel LLVM 11.1 4M 8M 12M 16M 20M SE +/- 6821.55, N = 3 SE +/- 140077.71, N = 3 SE +/- 17869.89, N = 3 SE +/- 101385.04, N = 3 SE +/- 44903.68, N = 3 SE +/- 12906.55, N = 3 16907939 16907112 16880125 16699690 16627566 16586283 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
Apache Benchmark Static Web Page Serving OpenBenchmarking.org Requests Per Second, More Is Better Apache Benchmark 2.4.29 Static Web Page Serving Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM 11.1 Kernel LLVM 4K 8K 12K 16K 20K SE +/- 31.87, N = 3 SE +/- 36.05, N = 3 SE +/- 221.42, N = 3 SE +/- 52.94, N = 3 SE +/- 18.45, N = 3 SE +/- 28.17, N = 3 18155.45 17978.08 17756.27 17323.23 16830.43 16754.67 1. (CC) gcc options: -shared -fPIC -O2 -pthread
OpenSSL RSA 4096-bit Performance OpenBenchmarking.org Signs Per Second, More Is Better OpenSSL 1.1.1 RSA 4096-bit Performance Kernel GCC Kernel GCC second Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel LLVM Kernel GCC -O2 100 200 300 400 500 SE +/- 0.18, N = 3 SE +/- 0.09, N = 3 SE +/- 0.03, N = 3 SE +/- 2.02, N = 3 SE +/- 4.10, N = 7 SE +/- 3.48, N = 3 448.0 447.9 447.8 444.1 441.7 332.3
PostMark Disk Transaction Performance OpenBenchmarking.org TPS, More Is Better PostMark 1.51 Disk Transaction Performance Kernel GCC second Kernel GCC 11.1.1 Kernel GCC -O2 Kernel GCC Kernel LLVM 11.1 Kernel LLVM 800 1600 2400 3200 4000 SE +/- 0.00, N = 3 SE +/- 20.00, N = 3 SE +/- 20.00, N = 3 SE +/- 20.00, N = 3 SE +/- 18.33, N = 3 SE +/- 18.33, N = 3 3906 3886 3866 3866 3713 3713 1. (CC) gcc options: -O3
PostgreSQL pgbench Scaling Factor: 1 - Clients: 1 - Mode: Read Only OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 1 - Mode: Read Only Kernel LLVM 5K 10K 15K 20K 25K SE +/- 38.99, N = 3 24331 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 1 - Mode: Read Write OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 1 - Mode: Read Write Kernel LLVM 30 60 90 120 150 SE +/- 1.65, N = 3 138 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 50 - Mode: Read Only OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 50 - Mode: Read Only Kernel LLVM 16K 32K 48K 64K 80K SE +/- 358.11, N = 3 73013 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 100 - Mode: Read Only OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 100 - Mode: Read Only Kernel LLVM 15K 30K 45K 60K 75K SE +/- 50.59, N = 3 69196 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 250 - Mode: Read Only OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 250 - Mode: Read Only Kernel LLVM 12K 24K 36K 48K 60K SE +/- 383.60, N = 3 58083 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 100 - Clients: 1 - Mode: Read Only OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 100 - Clients: 1 - Mode: Read Only Kernel LLVM 4K 8K 12K 16K 20K SE +/- 112.18, N = 3 19914 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
ctx_clock Context Switch Time OpenBenchmarking.org Clocks, Fewer Is Better ctx_clock Context Switch Time Kernel LLVM Kernel LLVM 11.1 Kernel GCC second Kernel GCC -O2 Kernel GCC Kernel GCC 11.1.1 60 120 180 240 300 SE +/- 0.33, N = 3 SE +/- 0.33, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.88, N = 3 264 264 265 265 266 268
LevelDB Benchmark: Hot Read OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Hot Read Kernel LLVM Kernel LLVM 11.1 Kernel GCC -O2 Kernel GCC second Kernel GCC Kernel GCC 11.1.1 0.5384 1.0768 1.6152 2.1536 2.692 SE +/- 0.006, N = 3 SE +/- 0.027, N = 3 SE +/- 0.027, N = 15 SE +/- 0.021, N = 15 SE +/- 0.023, N = 3 SE +/- 0.020, N = 3 2.310 2.317 2.333 2.380 2.389 2.393 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Fill Sync OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Fill Sync Kernel GCC second Kernel GCC Kernel GCC -O2 Kernel LLVM Kernel GCC 11.1.1 Kernel LLVM 11.1 4 8 12 16 20 SE +/- 0.20, N = 4 SE +/- 0.26, N = 4 SE +/- 0.20, N = 3 SE +/- 0.15, N = 3 SE +/- 0.06, N = 3 SE +/- 0.19, N = 3 17.24 17.44 17.53 17.68 17.68 18.06 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Overwrite OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Overwrite Kernel GCC 11.1.1 Kernel GCC -O2 Kernel GCC Kernel LLVM Kernel GCC second Kernel LLVM 11.1 4 8 12 16 20 SE +/- 0.06, N = 3 SE +/- 0.01, N = 3 SE +/- 0.12, N = 3 SE +/- 0.09, N = 3 SE +/- 0.17, N = 4 SE +/- 0.09, N = 3 13.92 14.07 14.13 14.57 14.60 14.73 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Random Fill OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Random Fill Kernel GCC -O2 Kernel GCC Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 4 8 12 16 20 SE +/- 0.04, N = 3 SE +/- 0.11, N = 3 SE +/- 0.14, N = 14 SE +/- 0.18, N = 3 SE +/- 0.06, N = 3 SE +/- 0.07, N = 3 14.09 14.14 14.16 14.33 14.48 14.72 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Random Read OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Random Read Kernel LLVM Kernel LLVM 11.1 Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel GCC 0.5425 1.085 1.6275 2.17 2.7125 SE +/- 0.027, N = 4 SE +/- 0.021, N = 7 SE +/- 0.013, N = 3 SE +/- 0.025, N = 15 SE +/- 0.012, N = 3 SE +/- 0.019, N = 9 2.293 2.353 2.361 2.381 2.402 2.411 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Seek Random OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Seek Random Kernel GCC 11.1.1 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC second Kernel GCC -O2 0.7749 1.5498 2.3247 3.0996 3.8745 SE +/- 0.047, N = 3 SE +/- 0.029, N = 3 SE +/- 0.029, N = 3 SE +/- 0.028, N = 3 SE +/- 0.018, N = 3 SE +/- 0.046, N = 3 3.358 3.359 3.393 3.412 3.417 3.444 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Random Delete OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Random Delete Kernel GCC 11.1.1 Kernel GCC -O2 Kernel GCC Kernel GCC second Kernel LLVM Kernel LLVM 11.1 3 6 9 12 15 SE +/- 0.11, N = 3 SE +/- 0.09, N = 3 SE +/- 0.07, N = 3 SE +/- 0.17, N = 3 SE +/- 0.15, N = 3 SE +/- 0.03, N = 3 12.85 13.06 13.16 13.45 13.45 13.46 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Sequential Fill OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Sequential Fill Kernel GCC 11.1.1 Kernel GCC Kernel GCC -O2 Kernel GCC second Kernel LLVM 11.1 Kernel LLVM 4 8 12 16 20 SE +/- 0.10, N = 3 SE +/- 0.03, N = 3 SE +/- 0.02, N = 3 SE +/- 0.04, N = 3 SE +/- 0.06, N = 3 SE +/- 0.05, N = 3 13.41 13.55 13.67 13.70 13.73 13.96 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
PostgreSQL pgbench Scaling Factor: 1 - Clients: 1 - Mode: Read Only - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 1 - Mode: Read Only - Average Latency Kernel LLVM 0.0092 0.0184 0.0276 0.0368 0.046 SE +/- 0.000, N = 3 0.041 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 1 - Mode: Read Write - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 1 - Mode: Read Write - Average Latency Kernel LLVM 2 4 6 8 10 SE +/- 0.086, N = 3 7.225 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 50 - Mode: Read Only - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 50 - Mode: Read Only - Average Latency Kernel LLVM 0.1541 0.3082 0.4623 0.6164 0.7705 SE +/- 0.003, N = 3 0.685 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 100 - Mode: Read Only - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 100 - Mode: Read Only - Average Latency Kernel LLVM 0.3251 0.6502 0.9753 1.3004 1.6255 SE +/- 0.001, N = 3 1.445 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 250 - Mode: Read Only - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 250 - Mode: Read Only - Average Latency Kernel LLVM 0.9686 1.9372 2.9058 3.8744 4.843 SE +/- 0.028, N = 3 4.305 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 100 - Clients: 1 - Mode: Read Only - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 100 - Clients: 1 - Mode: Read Only - Average Latency Kernel LLVM 0.0113 0.0226 0.0339 0.0452 0.0565 SE +/- 0.000, N = 3 0.050 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
OSBench Test: Memory Allocations OpenBenchmarking.org Ns Per Event, Fewer Is Better OSBench Test: Memory Allocations Kernel GCC second Kernel GCC Kernel GCC -O2 Kernel LLVM 11.1 Kernel LLVM Kernel GCC 11.1.1 30 60 90 120 150 SE +/- 0.41, N = 3 SE +/- 0.11, N = 3 SE +/- 0.54, N = 3 SE +/- 0.34, N = 3 SE +/- 0.44, N = 3 SE +/- 1.67, N = 3 134.98 135.70 135.75 137.38 141.11 143.74 -lm -lm 1. (CC) gcc options:
BenchmarkMutex Benchmark: Shared Mutex Lock Shared OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Shared Mutex Lock Shared Kernel GCC Kernel GCC second Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 Kernel GCC 11.1.1 7 14 21 28 35 SE +/- 0.07, N = 3 SE +/- 0.07, N = 3 SE +/- 0.06, N = 3 SE +/- 0.09, N = 3 SE +/- 0.15, N = 3 SE +/- 0.27, N = 14 31.6 31.6 31.6 31.9 31.9 32.2 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock Kernel GCC Kernel LLVM 11.1 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM 10 20 30 40 50 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.12, N = 3 SE +/- 0.10, N = 3 SE +/- 0.12, N = 3 42.5 42.5 42.5 42.8 42.8 42.9 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex Kernel GCC second Kernel GCC Kernel GCC 11.1.1 Kernel GCC -O2 Kernel LLVM 11.1 Kernel LLVM 6 12 18 24 30 SE +/- 0.09, N = 3 SE +/- 0.07, N = 3 SE +/- 0.09, N = 3 SE +/- 0.06, N = 3 SE +/- 0.12, N = 3 SE +/- 0.03, N = 3 25.1 25.2 25.2 25.2 25.3 25.5 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex Kernel GCC Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 8 16 24 32 40 SE +/- 0.12, N = 3 SE +/- 0.07, N = 3 SE +/- 0.09, N = 3 SE +/- 0.20, N = 3 SE +/- 0.12, N = 3 SE +/- 0.13, N = 3 34.7 34.7 34.8 34.9 35.0 35.0 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
BenchmarkMutex Benchmark: Semaphore Release And Acquire OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Semaphore Release And Acquire Kernel GCC second Kernel LLVM Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC -O2 Kernel GCC 5 10 15 20 25 SE +/- 0.03, N = 3 SE +/- 0.03, N = 3 SE +/- 0.06, N = 3 SE +/- 0.00, N = 3 SE +/- 0.10, N = 3 SE +/- 0.07, N = 3 18.9 19.0 19.0 19.0 19.0 19.1 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock_amd OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock_amd Kernel GCC Kernel LLVM 11.1 Kernel GCC second Kernel GCC -O2 Kernel GCC 11.1.1 Kernel LLVM 11 22 33 44 55 SE +/- 0.00, N = 3 SE +/- 0.07, N = 3 SE +/- 0.10, N = 3 SE +/- 0.07, N = 3 SE +/- 0.07, N = 3 SE +/- 0.07, N = 3 46.6 46.7 46.7 46.7 46.8 46.9 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
BenchmarkMutex Benchmark: Mutex Lock Unlock pthread_mutex OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock pthread_mutex Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC -O2 Kernel GCC second 5 10 15 20 25 SE +/- 0.03, N = 3 SE +/- 0.07, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.03, N = 3 21.3 21.3 21.3 21.3 21.3 21.5 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
BenchmarkMutex Benchmark: Mutex Lock Unlock ticket_spinlock OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock ticket_spinlock Kernel GCC Kernel LLVM 11.1 Kernel GCC second Kernel GCC -O2 Kernel LLVM Kernel GCC 11.1.1 6 12 18 24 30 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.07, N = 3 24.8 24.8 24.8 24.8 24.9 24.9 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
t-test1 Threads: 1 OpenBenchmarking.org Seconds, Fewer Is Better t-test1 2017-01-13 Threads: 1 Kernel GCC Kernel GCC second Kernel GCC -O2 Kernel LLVM Kernel GCC 11.1.1 Kernel LLVM 11.1 8 16 24 32 40 SE +/- 0.04, N = 3 SE +/- 0.06, N = 3 SE +/- 0.06, N = 3 SE +/- 0.02, N = 3 SE +/- 0.29, N = 3 SE +/- 0.05, N = 3 31.27 31.71 31.89 32.00 32.39 32.66 1. (CC) gcc options: -pthread
t-test1 Threads: 2 OpenBenchmarking.org Seconds, Fewer Is Better t-test1 2017-01-13 Threads: 2 Kernel GCC Kernel GCC second Kernel GCC 11.1.1 Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 3 6 9 12 15 SE +/- 0.05, N = 3 SE +/- 0.01, N = 3 SE +/- 0.05, N = 3 SE +/- 0.07, N = 3 SE +/- 0.01, N = 3 SE +/- 0.03, N = 3 10.94 10.95 10.96 10.96 11.04 11.14 1. (CC) gcc options: -pthread
WireGuard + Linux Networking Stack Stress Test OpenBenchmarking.org Seconds, Fewer Is Better WireGuard + Linux Networking Stack Stress Test Kernel GCC Kernel GCC second Kernel GCC -O2 Kernel GCC 11.1.1 Kernel LLVM Kernel LLVM 11.1 120 240 360 480 600 SE +/- 1.35, N = 3 SE +/- 0.83, N = 3 SE +/- 1.24, N = 3 SE +/- 25.08, N = 9 SE +/- 0.12, N = 3 SE +/- 0.65, N = 3 513.19 518.70 544.24 546.30 550.07 555.20
Hackbench Count: 1 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 1 - Type: Thread Kernel GCC Kernel GCC second Kernel GCC 11.1.1 Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 3 6 9 12 15 SE +/- 0.05, N = 3 SE +/- 0.08, N = 3 SE +/- 0.08, N = 3 SE +/- 0.04, N = 3 SE +/- 0.04, N = 3 SE +/- 0.06, N = 3 10.96 11.03 11.39 11.45 11.98 12.15 1. (CC) gcc options: -lpthread
Hackbench Count: 2 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 2 - Type: Thread Kernel GCC second Kernel GCC Kernel GCC 11.1.1 Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 6 12 18 24 30 SE +/- 0.06, N = 3 SE +/- 0.16, N = 3 SE +/- 0.07, N = 3 SE +/- 0.12, N = 3 SE +/- 0.01, N = 3 SE +/- 0.03, N = 3 21.44 21.53 21.93 22.17 23.06 23.50 1. (CC) gcc options: -lpthread
Hackbench Count: 4 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 4 - Type: Thread Kernel GCC second Kernel GCC Kernel GCC 11.1.1 Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 10 20 30 40 50 SE +/- 0.24, N = 3 SE +/- 0.35, N = 3 SE +/- 0.04, N = 3 SE +/- 0.36, N = 3 SE +/- 0.16, N = 3 SE +/- 0.11, N = 3 39.24 39.90 40.06 40.32 44.10 44.30 1. (CC) gcc options: -lpthread
Hackbench Count: 8 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 8 - Type: Thread Kernel GCC second Kernel GCC 11.1.1 Kernel GCC Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 20 40 60 80 100 SE +/- 0.63, N = 3 SE +/- 0.50, N = 15 SE +/- 0.23, N = 3 SE +/- 0.89, N = 15 SE +/- 0.97, N = 3 SE +/- 0.81, N = 15 74.73 77.03 77.88 78.03 88.29 88.56 1. (CC) gcc options: -lpthread
Hackbench Count: 1 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 1 - Type: Process Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 Kernel GCC Kernel LLVM Kernel LLVM 11.1 3 6 9 12 15 SE +/- 0.083, N = 3 SE +/- 0.026, N = 3 SE +/- 0.055, N = 3 SE +/- 0.230, N = 12 SE +/- 0.028, N = 3 SE +/- 0.026, N = 3 9.597 9.634 9.859 10.084 10.387 11.458 1. (CC) gcc options: -lpthread
Hackbench Count: 16 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 16 - Type: Thread Kernel GCC second Kernel GCC 11.1.1 Kernel GCC Kernel GCC -O2 Kernel LLVM Kernel LLVM 11.1 40 80 120 160 200 SE +/- 0.82, N = 3 SE +/- 1.30, N = 8 SE +/- 0.69, N = 3 SE +/- 2.25, N = 12 SE +/- 1.75, N = 3 SE +/- 2.17, N = 4 149.86 152.80 153.61 154.98 168.26 176.70 1. (CC) gcc options: -lpthread
Hackbench Count: 2 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 2 - Type: Process Kernel GCC second Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel LLVM 5 10 15 20 25 SE +/- 0.02, N = 3 SE +/- 0.03, N = 3 SE +/- 0.04, N = 3 SE +/- 0.26, N = 3 SE +/- 0.04, N = 3 SE +/- 0.22, N = 14 19.25 19.35 19.57 19.70 20.89 20.91 1. (CC) gcc options: -lpthread
Hackbench Count: 4 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 4 - Type: Process Kernel GCC second Kernel GCC -O2 Kernel GCC Kernel GCC 11.1.1 Kernel LLVM Kernel LLVM 11.1 9 18 27 36 45 SE +/- 0.15, N = 3 SE +/- 0.15, N = 3 SE +/- 0.12, N = 3 SE +/- 0.05, N = 3 SE +/- 0.08, N = 3 SE +/- 0.16, N = 3 36.51 37.02 37.05 37.34 40.36 41.26 1. (CC) gcc options: -lpthread
Hackbench Count: 8 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 8 - Type: Process Kernel GCC second Kernel GCC 11.1.1 Kernel GCC -O2 Kernel GCC Kernel LLVM Kernel LLVM 11.1 20 40 60 80 100 SE +/- 0.57, N = 3 SE +/- 0.33, N = 3 SE +/- 0.21, N = 3 SE +/- 0.85, N = 3 SE +/- 0.46, N = 3 SE +/- 0.85, N = 4 71.11 72.16 72.38 72.84 79.20 81.68 1. (CC) gcc options: -lpthread
Hackbench Count: 16 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 16 - Type: Process Kernel GCC 11.1.1 Kernel GCC Kernel GCC -O2 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 40 80 120 160 200 SE +/- 0.54, N = 3 SE +/- 0.22, N = 3 SE +/- 1.40, N = 3 SE +/- 2.07, N = 12 SE +/- 0.62, N = 3 SE +/- 1.83, N = 3 143.68 144.75 145.82 146.17 159.75 161.29 1. (CC) gcc options: -lpthread
Hackbench Count: 32 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 32 - Type: Process Kernel GCC second Kernel GCC Kernel GCC -O2 Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel LLVM 80 160 240 320 400 SE +/- 6.28, N = 9 SE +/- 6.91, N = 8 SE +/- 4.27, N = 9 SE +/- 9.64, N = 9 SE +/- 24.00, N = 9 SE +/- 6.99, N = 9 313.24 317.41 335.23 349.94 351.33 369.55 1. (CC) gcc options: -lpthread
SQLite Speedtest Timed Time - Size 1,000 OpenBenchmarking.org Seconds, Fewer Is Better SQLite Speedtest 3.30 Timed Time - Size 1,000 Kernel GCC Kernel GCC second Kernel GCC -O2 Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel LLVM 30 60 90 120 150 SE +/- 0.26, N = 3 SE +/- 0.09, N = 3 SE +/- 0.30, N = 3 SE +/- 0.41, N = 3 SE +/- 0.40, N = 3 SE +/- 0.52, N = 3 125.96 126.64 126.87 129.84 131.72 132.19 1. (CC) gcc options: -O2 -ldl -lz -lpthread
pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 50% OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 50% Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.0263 0.0526 0.0789 0.1052 0.1315 SE +/- 0.0015, N = 3 SE +/- 0.0015, N = 3 SE +/- 0.0007, N = 3 SE +/- 0.0008, N = 3 SE +/- 0.0004, N = 3 SE +/- 0.0015, N = 3 0.1128 0.1135 0.1138 0.1142 0.1155 0.1168 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 50% OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 50% Kernel LLVM Kernel GCC second Kernel GCC Kernel LLVM 11.1 Kernel GCC -O2 Kernel GCC 11.1.1 0.027 0.054 0.081 0.108 0.135 SE +/- 0.0014, N = 3 SE +/- 0.0013, N = 3 SE +/- 0.0014, N = 4 SE +/- 0.0000, N = 3 SE +/- 0.0009, N = 3 SE +/- 0.0015, N = 3 0.1161 0.1161 0.1176 0.1182 0.1196 0.1201 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 50% OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 50% Kernel LLVM Kernel GCC Kernel GCC second Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC -O2 0.0278 0.0556 0.0834 0.1112 0.139 SE +/- 0.0004, N = 3 SE +/- 0.0006, N = 3 SE +/- 0.0013, N = 5 SE +/- 0.0013, N = 3 SE +/- 0.0016, N = 3 SE +/- 0.0002, N = 3 0.1191 0.1206 0.1206 0.1218 0.1231 0.1237 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 100% Reads OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 100% Reads Kernel LLVM Kernel GCC Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC second Kernel GCC -O2 0.0149 0.0298 0.0447 0.0596 0.0745 SE +/- 0.0005, N = 15 SE +/- 0.0006, N = 7 SE +/- 0.0005, N = 15 SE +/- 0.0003, N = 3 SE +/- 0.0008, N = 4 SE +/- 0.0009, N = 3 0.0623 0.0632 0.0633 0.0641 0.0644 0.0660 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 100% Reads OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 100% Reads Kernel GCC Kernel GCC 11.1.1 Kernel LLVM Kernel GCC second Kernel LLVM 11.1 Kernel GCC -O2 0.0146 0.0292 0.0438 0.0584 0.073 SE +/- 0.0000, N = 3 SE +/- 0.0006, N = 15 SE +/- 0.0000, N = 3 SE +/- 0.0006, N = 7 SE +/- 0.0008, N = 3 SE +/- 0.0007, N = 3 0.0637 0.0638 0.0640 0.0643 0.0645 0.0649 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 100% Reads OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 100% Reads Kernel GCC second Kernel GCC 11.1.1 Kernel GCC Kernel LLVM Kernel GCC -O2 Kernel LLVM 11.1 0.0151 0.0302 0.0453 0.0604 0.0755 SE +/- 0.0003, N = 3 SE +/- 0.0006, N = 3 SE +/- 0.0008, N = 3 SE +/- 0.0007, N = 3 SE +/- 0.0007, N = 15 SE +/- 0.0006, N = 3 0.0639 0.0648 0.0649 0.0655 0.0669 0.0672 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 100% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 100% Writes Kernel GCC Kernel LLVM Kernel LLVM 11.1 Kernel GCC second Kernel GCC -O2 Kernel GCC 11.1.1 0.024 0.048 0.072 0.096 0.12 SE +/- 0.0010, N = 3 SE +/- 0.0012, N = 3 SE +/- 0.0001, N = 3 SE +/- 0.0002, N = 3 SE +/- 0.0010, N = 3 SE +/- 0.0012, N = 3 0.1032 0.1038 0.1049 0.1051 0.1063 0.1065 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 100% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 100% Writes Kernel GCC Kernel GCC second Kernel LLVM Kernel GCC 11.1.1 Kernel LLVM 11.1 Kernel GCC -O2 0.0244 0.0488 0.0732 0.0976 0.122 SE +/- 0.0011, N = 3 SE +/- 0.0013, N = 3 SE +/- 0.0014, N = 3 SE +/- 0.0013, N = 4 SE +/- 0.0009, N = 3 SE +/- 0.0007, N = 3 0.1059 0.1064 0.1065 0.1084 0.1085 0.1085 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 100% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 100% Writes Kernel GCC Kernel GCC second Kernel LLVM Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC -O2 0.0263 0.0526 0.0789 0.1052 0.1315 SE +/- 0.0001, N = 3 SE +/- 0.0008, N = 3 SE +/- 0.0014, N = 3 SE +/- 0.0013, N = 3 SE +/- 0.0005, N = 3 SE +/- 0.0010, N = 3 0.1129 0.1131 0.1132 0.1145 0.1153 0.1171 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 80% Reads 20% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 80% Reads 20% Writes Kernel GCC Kernel LLVM Kernel GCC second Kernel GCC -O2 Kernel LLVM 11.1 Kernel GCC 11.1.1 0.0275 0.055 0.0825 0.11 0.1375 SE +/- 0.0011, N = 3 SE +/- 0.0012, N = 4 SE +/- 0.0004, N = 3 SE +/- 0.0013, N = 4 SE +/- 0.0010, N = 3 SE +/- 0.0012, N = 5 0.1159 0.1175 0.1176 0.1179 0.1194 0.1221 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 80% Reads 20% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 80% Reads 20% Writes Kernel GCC -O2 Kernel LLVM Kernel GCC Kernel GCC second Kernel LLVM 11.1 Kernel GCC 11.1.1 0.0274 0.0548 0.0822 0.1096 0.137 SE +/- 0.0011, N = 3 SE +/- 0.0012, N = 3 SE +/- 0.0003, N = 3 SE +/- 0.0004, N = 3 SE +/- 0.0004, N = 3 SE +/- 0.0011, N = 3 0.1191 0.1200 0.1209 0.1217 0.1218 0.1218 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 80% Reads 20% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 80% Reads 20% Writes Kernel LLVM 11.1 Kernel GCC Kernel GCC -O2 Kernel LLVM Kernel GCC second Kernel GCC 11.1.1 0.0306 0.0612 0.0918 0.1224 0.153 SE +/- 0.0014, N = 3 SE +/- 0.0012, N = 3 SE +/- 0.0014, N = 4 SE +/- 0.0016, N = 3 SE +/- 0.0007, N = 3 SE +/- 0.0072, N = 15 0.1234 0.1235 0.1239 0.1240 0.1254 0.1360 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
OSBench Test: Create Files OpenBenchmarking.org us Per Event, Fewer Is Better OSBench Test: Create Files Kernel GCC second Kernel GCC Kernel GCC -O2 Kernel LLVM Kernel GCC 11.1.1 Kernel LLVM 11.1 9 18 27 36 45 SE +/- 0.03, N = 3 SE +/- 0.04, N = 3 SE +/- 0.08, N = 3 SE +/- 0.24, N = 3 SE +/- 0.05, N = 3 SE +/- 0.05, N = 3 35.35 36.75 37.18 38.82 39.00 39.40 -lm -lm 1. (CC) gcc options:
OSBench Test: Create Threads OpenBenchmarking.org us Per Event, Fewer Is Better OSBench Test: Create Threads Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC Kernel LLVM 11.1 Kernel LLVM 4 8 12 16 20 SE +/- 0.03, N = 3 SE +/- 0.04, N = 3 SE +/- 0.62, N = 15 SE +/- 0.70, N = 15 SE +/- 0.64, N = 15 SE +/- 0.68, N = 15 14.15 14.57 15.39 15.75 16.02 16.55 -lm -lm 1. (CC) gcc options:
OSBench Test: Launch Programs OpenBenchmarking.org us Per Event, Fewer Is Better OSBench Test: Launch Programs Kernel GCC second Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel LLVM Kernel LLVM 11.1 20 40 60 80 100 SE +/- 0.33, N = 3 SE +/- 0.19, N = 3 SE +/- 0.44, N = 3 SE +/- 0.41, N = 3 SE +/- 0.20, N = 3 SE +/- 0.64, N = 3 90.10 91.06 91.84 93.32 95.51 97.43 -lm -lm 1. (CC) gcc options:
OSBench Test: Create Processes OpenBenchmarking.org us Per Event, Fewer Is Better OSBench Test: Create Processes Kernel GCC -O2 Kernel GCC second Kernel GCC 11.1.1 Kernel GCC Kernel LLVM 11.1 Kernel LLVM 9 18 27 36 45 SE +/- 0.24, N = 3 SE +/- 0.09, N = 3 SE +/- 0.48, N = 3 SE +/- 0.28, N = 3 SE +/- 0.16, N = 3 SE +/- 0.18, N = 3 38.85 39.39 39.48 39.49 40.31 40.93 -lm -lm 1. (CC) gcc options:
Schbench Message Threads: 8 - Workers Per Message Thread: 4 OpenBenchmarking.org usec, 99.9th Latency Percentile, Fewer Is Better Schbench Message Threads: 8 - Workers Per Message Thread: 4 Kernel GCC -O2 Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM 7K 14K 21K 28K 35K SE +/- 128.00, N = 3 SE +/- 267.31, N = 3 SE +/- 216.51, N = 3 SE +/- 386.40, N = 13 SE +/- 2842.74, N = 15 SE +/- 2786.67, N = 15 28128 28597 28747 29393 33348 33519 1. (CC) gcc options: -O2 -lpthread
Phoronix Test Suite v10.8.5