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&grr&sro .
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 hackbench: 32 - Process wireguard: hackbench: 16 - Thread tinymembench: Standard Memset tinymembench: Standard Memcpy hackbench: 8 - Thread mutex: Mutex Lock Unlock spinlock hackbench: 16 - Process rocksdb: Read While Writing pmbench: 1 - 100% Reads sqlite-speedtest: Timed Time - Size 1,000 stress-ng: MMAP pmbench: 2 - 100% Reads mbw: Memory Copy, Fixed Block Size - 4096 MiB pmbench: 4 - 80% Reads 20% Writes pmbench: 4 - 100% Reads stress-ng: CPU Cache stress-ng: Semaphores schbench: 8 - 4 mbw: Memory Copy - 4096 MiB hackbench: 8 - Process pmbench: 1 - 80% Reads 20% Writes mutex: Mutex Lock Unlock pthread_mutex pmbench: 4 - 50% postmark: Disk Transaction Performance pmbench: 2 - 50% pmbench: 2 - 100% Writes perf-bench: Memcpy 1MB stress-ng: System V Message Passing pmbench: 2 - 80% Reads 20% Writes pmbench: 1 - 50% pmbench: 1 - 100% Writes pmbench: 4 - 100% Writes rocksdb: Rand Fill rocksdb: Rand Fill Sync rocksdb: Rand Read apache: Static Web Page Serving mutex: Shared Mutex Lock Shared perf-bench: Memset 1MB mutex: Mutex Lock Unlock spinlock_amd stress-ng: Glibc Qsort Data Sorting pgbench: 100 - 1 - Read Only - Average Latency pgbench: 100 - 1 - Read Only perf-bench: Futex Lock-Pi hackbench: 4 - Thread mutex: Mutex Lock Unlock std::mutex hackbench: 4 - Process stress-ng: SENDFILE hackbench: 2 - Process t-test1: 1 stress-ng: Context Switching perf-bench: Epoll Wait stress-ng: CPU Stress stress-ng: Malloc stress-ng: MEMFD perf-bench: Futex Hash stress-ng: Crypto stress-ng: Memory Copying stress-ng: Socket Activity stress-ng: Glibc C String Functions stress-ng: Vector Math stress-ng: Matrix Math stress-ng: Forking stress-ng: Atomic iperf: 5201 - 10 Seconds - TCP - 64 iperf: 5201 - 10 Seconds - TCP - 1 mbw: Memory Copy, Fixed Block Size - 1024 MiB mutex: Mutex Lock Unlock std::mutex mutex: Mutex Lock Unlock ticket_spinlock pgbench: 1 - 250 - Read Only - Average Latency pgbench: 1 - 250 - Read Only pgbench: 1 - 1 - Read Write - Average Latency pgbench: 1 - 1 - Read Write pgbench: 1 - 100 - Read Only - Average Latency pgbench: 1 - 100 - Read Only pgbench: 1 - 50 - Read Only - Average Latency pgbench: 1 - 50 - Read Only pgbench: 1 - 1 - Read Only - Average Latency pgbench: 1 - 1 - Read Only iperf: 5201 - 10 Seconds - TCP - 32 openssl: RSA 4096-bit Performance perf-bench: Sched Pipe hackbench: 2 - Thread iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 64 mutex: Semaphore Release And Acquire mbw: Memory Copy - 1024 MiB ipc-benchmark: Unnamed Unix Domain Socket - 4096 ipc-benchmark: Unnamed Pipe - 4096 ipc-benchmark: FIFO Named Pipe - 4096 osbench: Create Threads ipc-benchmark: TCP Socket - 4096 ipc-benchmark: Unnamed Unix Domain Socket - 2048 hackbench: 1 - Process ipc-benchmark: Unnamed Unix Domain Socket - 1024 mbw: Memory Copy, Fixed Block Size - 512 MiB iperf: 5201 - 10 Seconds - UDP - 64 iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 64 iperf: 5201 - 10 Seconds - UDP - 32 iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 32 iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 32 iperf: 5201 - 10 Seconds - UDP - 1 iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 1 iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 1 ipc-benchmark: Unnamed Unix Domain Socket - 512 hackbench: 1 - Thread ipc-benchmark: FIFO Named Pipe - 2048 ipc-benchmark: Unnamed Pipe - 2048 t-test1: 2 ipc-benchmark: TCP Socket - 2048 mbw: Memory Copy - 512 MiB ipc-benchmark: TCP Socket - 256 ipc-benchmark: Unnamed Pipe - 512 rocksdb: Seq Fill ipc-benchmark: Unnamed Pipe - 128 ipc-benchmark: Unnamed Unix Domain Socket - 256 ipc-benchmark: TCP Socket - 1024 ipc-benchmark: Unnamed Pipe - 1024 ipc-benchmark: FIFO Named Pipe - 1024 leveldb: Seq Fill leveldb: Seq Fill leveldb: Rand Delete ipc-benchmark: Unnamed Unix Domain Socket - 128 osbench: Create Files perf-bench: Syscall Basic ipc-benchmark: TCP Socket - 512 leveldb: Hot Read leveldb: Rand Read ipc-benchmark: TCP Socket - 128 osbench: Memory Allocations ipc-benchmark: FIFO Named Pipe - 512 osbench: Launch Programs osbench: Create Processes ipc-benchmark: FIFO Named Pipe - 256 ipc-benchmark: Unnamed Pipe - 256 mbw: Memory Copy, Fixed Block Size - 128 MiB leveldb: Seek Rand ipc-benchmark: FIFO Named Pipe - 128 mbw: Memory Copy - 128 MiB leveldb: Rand Fill leveldb: Rand Fill leveldb: Overwrite leveldb: Overwrite ctx-clock: Context Switch Time leveldb: Fill Sync leveldb: Fill Sync stress-ng: NUMA Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 369.548 550.068 168.261 5702.3 5825.3 88.294 42.9 159.749 244439 0.0623 132.190 12.45 0.0640 3600.373 0.1240 0.0655 6.84 1229760.03 33519 5105.868 79.201 0.1175 21.3 0.1191 3713 0.1161 0.1065 5.969103 4225731.83 0.1200 0.1128 0.1038 0.1132 452057 490063 13123433 16754.67 31.9 12.033610 46.9 36.82 0.050 19914 9738 44.099 35.0 40.361 53687.47 20.910 31.999 548376.44 365409 825.59 11148830.46 9.01 7193341 644.00 1019.43 1877.82 112501.83 9619.98 11754.15 19252.07 167420.30 18133 22637 3575.719 25.5 24.9 4.305 58083 7.225 138 1.445 69196 0.685 73013 0.041 24331 20013 441.7 214271 23.060 20179 19.0 5152.911 457959 468875 465636 16.550064 550089 520300 10.387 936841 3548.362 67.1 6400 33.6 21412 3200 1.05 1000 100 1151175 11.979 807480 814387 11.041 950880 5146.671 2539979 1772787 534770 2891727 1204312 1453827 1285487 1280989 13.957 31.6 13.453 1363561 38.822397 16627566 2062968 2.310 2.293 2985001 141.110659 1746678 95.507304 40.930907 2278454 2351761 3623.863 3.359 2801157 5172.974 14.481 30.5 14.570 30.3 264 17.679 24.9 38 317.405 513.194 153.611 5691.5 5826.1 77.877 42.5 144.751 239799 0.0632 125.962 13.13 0.0637 3722.106 0.1235 0.0649 6.90 1277296.32 28597 5267.712 72.842 0.1159 21.3 0.1206 3866 0.1176 0.1059 5.913378 4626477.31 0.1209 0.1135 0.1032 0.1129 458917 499640 13347834 18155.45 31.6 11.998912 46.6 36.74 13155 39.901 34.7 37.050 55850.50 19.354 31.274 530566.53 394078 828.24 11170312.20 9.0 7113178 642.70 1014.42 1957.06 113135.64 9629.61 11754.94 19887.81 167641.36 18304 22822 3724.204 25.2 24.8 20700 448.0 209932 21.534 20411 19.1 5257.927 473559 479683 483511 15.745640 555085 559665 10.084 964065 3719.911 67.1 6400 33.6 21434 3200 1.05 1000 100 1171213 10.963 811570 819679 10.939 944138 5267.520 2517133 1809330 544572 3040261 1233688 1421362 1316913 1297216 13.547 32.6 13.161 1374745 36.750389 16907939 2054086 2.389 2.411 2971343 135.699351 1776333 91.060797 39.486885 2299703 2337377 3715.488 3.393 3043686 5259.714 14.137 31.2 14.125 31.2 266 17.435 25.1 38 349.937 555.201 176.700 5677.3 5809.3 88.562 42.5 161.291 247556 0.0641 131.720 12.71 0.0645 3689.686 0.1234 0.0672 6.69 1274218.42 28747 5240.097 81.684 0.1194 21.3 0.1231 3713 0.1182 0.1085 5.954150 4244091.68 0.1218 0.1138 0.1049 0.1145 449078 490666 13283954 16830.43 31.9 12.017047 46.7 36.44 13043 44.300 35.0 41.255 54398.51 20.888 32.656 574464.00 375558 824.83 11061908.02 8.88 7006665 644.6 1014.43 1912.64 111451.53 9625.42 11766.64 19280.77 168572.72 16653 21899 3705.678 25.3 24.8 17735 447.8 217433 23.498 19835 19.0 5252.537 448144 471693 469668 16.019980 562576 515245 11.458 926277 3693.634 67.1 6400 33.6 20504 3200 1.05 1000 100 1120322 12.146 808658 812768 11.144 948187 5233.318 2503889 1798509 535796 2722030 1209161 1471645 1279652 1281112 13.725 32.2 13.462 1336817 39.395617 16586283 2044677 2.317 2.353 2943227 137.383382 1747103 97.432931 40.313403 2150341 2283738 3648.544 3.412 2649855 5160.392 14.722 30.0 14.731 29.9 264 18.057 24.3 38 351.330 546.302 152.801 5662.7 5810.2 77.028 42.8 143.683 236996 0.0633 129.840 12.43 0.0638 3689.899 0.1360 0.0648 6.88 1197368.79 29393 5241.737 72.164 0.1221 21.3 0.1218 3886 0.1201 0.1084 5.927645 4546211.15 0.1218 0.1142 0.1065 0.1153 371696 418203 12925885 17756.27 32.2 11.564334 46.8 36.56 46045 40.064 34.7 37.338 58610.15 19.701 32.387 580896.52 413997 825.79 11072394.46 8.68 7089686 640.73 1021.29 1907.72 112275.43 9599.18 11746.10 19951.99 168463.99 11544 12876 3682.902 25.2 24.9 12052 444.1 199049 21.931 11862 19 5221.134 474951 483566 490914 14.566580 556704 558725 9.597 933478 3665.782 67.1 6400 33.6 20974 3200 1.05 1000 100 1137453 11.390 815678 809206 10.960 941645 5204.924 2467568 1824207 490354 3034098 1281031 1442407 1322294 1324519 13.405 32.9 12.847 1411134 39.003627 16699690 2016930 2.393 2.402 2906209 143.742005 1835701 93.320211 39.476554 2306298 2360107 3627.968 3.358 2986912 5171.806 14.159 31.2 13.918 31.7 268 17.681 24.8 38 313.242 518.702 149.860 5667.0 5825.9 74.730 42.8 146.172 230917 0.0644 126.641 13.45 0.0643 3706.983 0.1254 0.0639 6.93 1359932.39 33348 5247.692 71.113 0.1176 21.5 0.1206 3906 0.1161 0.1064 5.906471 4499326.25 0.1217 0.1155 0.1051 0.1131 416861 456565 12068951 17323.23 31.6 12.113747 46.7 34.96 13819 39.235 34.8 36.513 56226.78 19.249 31.710 577601.31 416405 826.18 11094610.36 8.74 7118599 643.77 1020.78 1974.44 112429.17 9613.25 11704.68 19873.83 168252.74 18373 23105 3705.527 25.1 24.8 20959 447.9 217939 21.441 20614 18.9 5249.699 476636 485903 483240 15.387853 578088 565671 9.634 967927 3703.653 67.1 6400 33.6 21704 3200 1.05 1000 100 1238737 11.034 818076 812662 10.945 986545 5241.098 2690253 1809716 502525 3015312 1316867 1533599 1294386 1314473 13.703 32.2 13.451 1485854 35.352617 16880125 2214341 2.380 2.381 3200311 134.984652 1854187 90.103944 39.393107 2296753 2386170 3671.456 3.417 2869905 5172.919 14.327 30.8 14.596 30.2 265 17.244 25.4 38 335.226 544.239 154.980 5687.4 5800.1 78.033 42.5 145.815 245522 0.0660 126.872 12.77 0.0649 3703.680 0.1239 0.0669 6.97 1198806.70 28128 5250.563 72.383 0.1179 21.3 0.1237 3866 0.1196 0.1085 5.890760 4464126.75 0.1191 0.1168 0.1063 0.1171 437244 482867 13384934 17978.08 31.6 12.028411 46.7 36.40 14193 40.318 34.9 37.022 54086.78 19.567 31.885 550134.82 420330 826.11 11104734.09 9.05 7039350 644.11 1028.26 1954.88 112106.26 9615.20 11615.23 19795.18 167506.68 18311 22992 3701.612 25.2 24.8 20839 332.3 206290 22.170 21101 19.0 5237.287 478518 475802 474902 14.147758 580561 541133 9.859 925811 3690.701 67.1 6400 33.6 21977 3200 1.05 1000 100 1100539 11.448 812530 814485 10.960 997006 5246.118 2708985 1769426 524629 2747403 1301654 1535220 1292375 1292587 13.674 32.3 13.057 1398777 37.181290 16907112 2208139 2.333 2.361 3201959 135.752916 1770294 91.836452 38.854281 2218924 2295929 3661.057 3.444 2837381 5171.078 14.086 31.3 14.070 31.3 265 17.530 25.0 38 OpenBenchmarking.org
Hackbench Count: 32 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 32 - Type: Process Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 80 160 240 320 400 SE +/- 6.91, N = 8 SE +/- 4.27, N = 9 SE +/- 24.00, N = 9 SE +/- 6.28, N = 9 SE +/- 6.99, N = 9 SE +/- 9.64, N = 9 317.41 335.23 351.33 313.24 369.55 349.94 1. (CC) gcc options: -lpthread
WireGuard + Linux Networking Stack Stress Test OpenBenchmarking.org Seconds, Fewer Is Better WireGuard + Linux Networking Stack Stress Test Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 120 240 360 480 600 SE +/- 1.35, N = 3 SE +/- 1.24, N = 3 SE +/- 25.08, N = 9 SE +/- 0.83, N = 3 SE +/- 0.12, N = 3 SE +/- 0.65, N = 3 513.19 544.24 546.30 518.70 550.07 555.20
Hackbench Count: 16 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 16 - Type: Thread Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 40 80 120 160 200 SE +/- 0.69, N = 3 SE +/- 2.25, N = 12 SE +/- 1.30, N = 8 SE +/- 0.82, N = 3 SE +/- 1.75, N = 3 SE +/- 2.17, N = 4 153.61 154.98 152.80 149.86 168.26 176.70 1. (CC) gcc options: -lpthread
Tinymembench Standard Memset OpenBenchmarking.org MB/s, More Is Better Tinymembench 2018-05-28 Standard Memset Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 1200 2400 3600 4800 6000 SE +/- 2.89, N = 3 SE +/- 6.23, N = 3 SE +/- 11.53, N = 3 SE +/- 9.59, N = 3 SE +/- 15.70, N = 3 SE +/- 3.21, N = 3 5691.5 5687.4 5662.7 5667.0 5702.3 5677.3 1. (CC) gcc options: -O2 -lm
Tinymembench Standard Memcpy OpenBenchmarking.org MB/s, More Is Better Tinymembench 2018-05-28 Standard Memcpy Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 1200 2400 3600 4800 6000 SE +/- 8.19, N = 3 SE +/- 2.99, N = 3 SE +/- 6.44, N = 3 SE +/- 1.99, N = 3 SE +/- 10.38, N = 3 SE +/- 6.50, N = 3 5826.1 5800.1 5810.2 5825.9 5825.3 5809.3 1. (CC) gcc options: -O2 -lm
Hackbench Count: 8 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 8 - Type: Thread Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 20 40 60 80 100 SE +/- 0.23, N = 3 SE +/- 0.89, N = 15 SE +/- 0.50, N = 15 SE +/- 0.63, N = 3 SE +/- 0.97, N = 3 SE +/- 0.81, N = 15 77.88 78.03 77.03 74.73 88.29 88.56 1. (CC) gcc options: -lpthread
BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 10 20 30 40 50 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 SE +/- 0.00, N = 3 42.5 42.5 42.8 42.8 42.9 42.5 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
Hackbench Count: 16 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 16 - Type: Process Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 40 80 120 160 200 SE +/- 0.22, N = 3 SE +/- 1.40, N = 3 SE +/- 0.54, N = 3 SE +/- 2.07, N = 12 SE +/- 0.62, N = 3 SE +/- 1.83, N = 3 144.75 145.82 143.68 146.17 159.75 161.29 1. (CC) gcc options: -lpthread
Facebook RocksDB Test: Read While Writing OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Read While Writing Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 50K 100K 150K 200K 250K SE +/- 772.88, N = 3 SE +/- 3485.16, N = 14 SE +/- 2701.00, N = 3 SE +/- 2840.83, N = 3 SE +/- 5812.42, N = 14 SE +/- 5773.77, N = 14 239799 245522 236996 230917 244439 247556 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
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 GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.0149 0.0298 0.0447 0.0596 0.0745 SE +/- 0.0006, N = 7 SE +/- 0.0009, N = 3 SE +/- 0.0005, N = 15 SE +/- 0.0008, N = 4 SE +/- 0.0005, N = 15 SE +/- 0.0003, N = 3 0.0632 0.0660 0.0633 0.0644 0.0623 0.0641 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 30 60 90 120 150 SE +/- 0.26, N = 3 SE +/- 0.30, N = 3 SE +/- 0.41, N = 3 SE +/- 0.09, N = 3 SE +/- 0.52, N = 3 SE +/- 0.40, N = 3 125.96 126.87 129.84 126.64 132.19 131.72 1. (CC) gcc options: -O2 -ldl -lz -lpthread
Stress-NG Test: MMAP OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: MMAP Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 3 6 9 12 15 SE +/- 0.22, N = 15 SE +/- 0.09, N = 3 SE +/- 0.22, N = 15 SE +/- 0.09, N = 15 SE +/- 0.25, N = 12 SE +/- 0.19, N = 15 13.13 12.77 12.43 13.45 12.45 12.71 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.0146 0.0292 0.0438 0.0584 0.073 SE +/- 0.0000, N = 3 SE +/- 0.0007, N = 3 SE +/- 0.0006, N = 15 SE +/- 0.0006, N = 7 SE +/- 0.0000, N = 3 SE +/- 0.0008, N = 3 0.0637 0.0649 0.0638 0.0643 0.0640 0.0645 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 800 1600 2400 3200 4000 SE +/- 0.67, N = 3 SE +/- 1.60, N = 3 SE +/- 2.63, N = 3 SE +/- 2.01, N = 3 SE +/- 37.05, N = 3 SE +/- 3.81, N = 3 3722.11 3703.68 3689.90 3706.98 3600.37 3689.69 1. (CC) gcc options: -O3 -march=native
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 GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.0306 0.0612 0.0918 0.1224 0.153 SE +/- 0.0012, N = 3 SE +/- 0.0014, N = 4 SE +/- 0.0072, N = 15 SE +/- 0.0007, N = 3 SE +/- 0.0016, N = 3 SE +/- 0.0014, N = 3 0.1235 0.1239 0.1360 0.1254 0.1240 0.1234 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.0151 0.0302 0.0453 0.0604 0.0755 SE +/- 0.0008, N = 3 SE +/- 0.0007, N = 15 SE +/- 0.0006, N = 3 SE +/- 0.0003, N = 3 SE +/- 0.0007, N = 3 SE +/- 0.0006, N = 3 0.0649 0.0669 0.0648 0.0639 0.0655 0.0672 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
Stress-NG Test: CPU Cache OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: CPU Cache Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 2 4 6 8 10 SE +/- 0.12, N = 15 SE +/- 0.08, N = 3 SE +/- 0.03, N = 3 SE +/- 0.07, N = 4 SE +/- 0.06, N = 15 SE +/- 0.11, N = 15 6.90 6.97 6.88 6.93 6.84 6.69 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 300K 600K 900K 1200K 1500K SE +/- 9507.55, N = 15 SE +/- 15878.48, N = 15 SE +/- 13131.30, N = 3 SE +/- 6730.44, N = 3 SE +/- 10868.11, N = 15 SE +/- 14472.05, N = 3 1277296.32 1198806.70 1197368.79 1359932.39 1229760.03 1274218.42 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 7K 14K 21K 28K 35K SE +/- 267.31, N = 3 SE +/- 128.00, N = 3 SE +/- 386.40, N = 13 SE +/- 2842.74, N = 15 SE +/- 2786.67, N = 15 SE +/- 216.51, N = 3 28597 28128 29393 33348 33519 28747 1. (CC) gcc options: -O2 -lpthread
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 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 1100 2200 3300 4400 5500 SE +/- 5.16, N = 3 SE +/- 6.35, N = 3 SE +/- 4.84, N = 3 SE +/- 0.18, N = 3 SE +/- 62.83, N = 3 SE +/- 9.07, N = 3 5267.71 5250.56 5241.74 5247.69 5105.87 5240.10 1. (CC) gcc options: -O3 -march=native
Hackbench Count: 8 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 8 - Type: Process Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 20 40 60 80 100 SE +/- 0.85, N = 3 SE +/- 0.21, N = 3 SE +/- 0.33, N = 3 SE +/- 0.57, N = 3 SE +/- 0.46, N = 3 SE +/- 0.85, N = 4 72.84 72.38 72.16 71.11 79.20 81.68 1. (CC) gcc options: -lpthread
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 GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.0275 0.055 0.0825 0.11 0.1375 SE +/- 0.0011, N = 3 SE +/- 0.0013, N = 4 SE +/- 0.0012, N = 5 SE +/- 0.0004, N = 3 SE +/- 0.0012, N = 4 SE +/- 0.0010, N = 3 0.1159 0.1179 0.1221 0.1176 0.1175 0.1194 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
BenchmarkMutex Benchmark: Mutex Lock Unlock pthread_mutex OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock pthread_mutex Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 5 10 15 20 25 SE +/- 0.07, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.03, N = 3 SE +/- 0.03, N = 3 SE +/- 0.00, N = 3 21.3 21.3 21.3 21.5 21.3 21.3 1. (CXX) g++ options: -std=c++17 -lbenchmark -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 GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.0278 0.0556 0.0834 0.1112 0.139 SE +/- 0.0006, N = 3 SE +/- 0.0002, N = 3 SE +/- 0.0013, N = 3 SE +/- 0.0013, N = 5 SE +/- 0.0004, N = 3 SE +/- 0.0016, N = 3 0.1206 0.1237 0.1218 0.1206 0.1191 0.1231 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
PostMark Disk Transaction Performance OpenBenchmarking.org TPS, More Is Better PostMark 1.51 Disk Transaction Performance Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 800 1600 2400 3200 4000 SE +/- 20.00, N = 3 SE +/- 20.00, N = 3 SE +/- 20.00, N = 3 SE +/- 0.00, N = 3 SE +/- 18.33, N = 3 SE +/- 18.33, N = 3 3866 3866 3886 3906 3713 3713 1. (CC) gcc options: -O3
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 GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.027 0.054 0.081 0.108 0.135 SE +/- 0.0014, N = 4 SE +/- 0.0009, N = 3 SE +/- 0.0015, N = 3 SE +/- 0.0013, N = 3 SE +/- 0.0014, N = 3 SE +/- 0.0000, N = 3 0.1176 0.1196 0.1201 0.1161 0.1161 0.1182 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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.0244 0.0488 0.0732 0.0976 0.122 SE +/- 0.0011, N = 3 SE +/- 0.0007, N = 3 SE +/- 0.0013, N = 4 SE +/- 0.0013, N = 3 SE +/- 0.0014, N = 3 SE +/- 0.0009, N = 3 0.1059 0.1085 0.1084 0.1064 0.1065 0.1085 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
perf-bench Benchmark: Memcpy 1MB OpenBenchmarking.org GB/sec, More Is Better perf-bench Benchmark: Memcpy 1MB Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 1.343 2.686 4.029 5.372 6.715 SE +/- 0.051475, N = 3 SE +/- 0.074763, N = 3 SE +/- 0.072648, N = 3 SE +/- 0.020539, N = 3 SE +/- 0.007854, N = 3 SE +/- 0.003067, N = 3 5.913378 5.890760 5.927645 5.906471 5.969103 5.954150 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
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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 1000K 2000K 3000K 4000K 5000K SE +/- 32996.49, N = 12 SE +/- 25462.59, N = 3 SE +/- 19986.42, N = 3 SE +/- 41439.13, N = 14 SE +/- 2913.62, N = 3 SE +/- 18462.77, N = 3 4626477.31 4464126.75 4546211.15 4499326.25 4225731.83 4244091.68 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.0274 0.0548 0.0822 0.1096 0.137 SE +/- 0.0003, N = 3 SE +/- 0.0011, N = 3 SE +/- 0.0011, N = 3 SE +/- 0.0004, N = 3 SE +/- 0.0012, N = 3 SE +/- 0.0004, N = 3 0.1209 0.1191 0.1218 0.1217 0.1200 0.1218 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
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 GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.0263 0.0526 0.0789 0.1052 0.1315 SE +/- 0.0015, N = 3 SE +/- 0.0015, N = 3 SE +/- 0.0008, N = 3 SE +/- 0.0004, N = 3 SE +/- 0.0015, N = 3 SE +/- 0.0007, N = 3 0.1135 0.1168 0.1142 0.1155 0.1128 0.1138 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 GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.024 0.048 0.072 0.096 0.12 SE +/- 0.0010, N = 3 SE +/- 0.0010, N = 3 SE +/- 0.0012, N = 3 SE +/- 0.0002, N = 3 SE +/- 0.0012, N = 3 SE +/- 0.0001, N = 3 0.1032 0.1063 0.1065 0.1051 0.1038 0.1049 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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.0263 0.0526 0.0789 0.1052 0.1315 SE +/- 0.0001, N = 3 SE +/- 0.0010, N = 3 SE +/- 0.0005, N = 3 SE +/- 0.0008, N = 3 SE +/- 0.0014, N = 3 SE +/- 0.0013, N = 3 0.1129 0.1171 0.1153 0.1131 0.1132 0.1145 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
Facebook RocksDB Test: Random Fill OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Random Fill Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 100K 200K 300K 400K 500K SE +/- 3750.21, N = 3 SE +/- 3221.54, N = 3 SE +/- 4304.32, N = 3 SE +/- 1435.13, N = 3 SE +/- 3333.72, N = 3 SE +/- 3376.28, N = 3 458917 437244 371696 416861 452057 449078 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 GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 110K 220K 330K 440K 550K SE +/- 1981.98, N = 3 SE +/- 2628.65, N = 3 SE +/- 5443.53, N = 3 SE +/- 2054.68, N = 3 SE +/- 2169.84, N = 3 SE +/- 4275.49, N = 3 499640 482867 418203 456565 490063 490666 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 3M 6M 9M 12M 15M SE +/- 85590.38, N = 3 SE +/- 50538.88, N = 3 SE +/- 32869.63, N = 3 SE +/- 59121.96, N = 3 SE +/- 59134.09, N = 3 SE +/- 47642.98, N = 3 13347834 13384934 12925885 12068951 13123433 13283954 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
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 Kernel LLVM 11.1 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 +/- 28.17, N = 3 SE +/- 18.45, N = 3 18155.45 17978.08 17756.27 17323.23 16754.67 16830.43 1. (CC) gcc options: -shared -fPIC -O2 -pthread
BenchmarkMutex Benchmark: Shared Mutex Lock Shared OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Shared Mutex Lock Shared Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 7 14 21 28 35 SE +/- 0.07, N = 3 SE +/- 0.06, N = 3 SE +/- 0.27, N = 14 SE +/- 0.07, N = 3 SE +/- 0.09, N = 3 SE +/- 0.15, N = 3 31.6 31.6 32.2 31.6 31.9 31.9 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
perf-bench Benchmark: Memset 1MB OpenBenchmarking.org GB/sec, More Is Better perf-bench Benchmark: Memset 1MB Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 3 6 9 12 15 SE +/- 0.05, N = 3 SE +/- 0.08, N = 3 SE +/- 0.11, N = 15 SE +/- 0.09, N = 3 SE +/- 0.01, N = 3 SE +/- 0.04, N = 3 12.00 12.03 11.56 12.11 12.03 12.02 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
BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock_amd OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock_amd Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 11 22 33 44 55 SE +/- 0.00, N = 3 SE +/- 0.07, N = 3 SE +/- 0.07, N = 3 SE +/- 0.10, N = 3 SE +/- 0.07, N = 3 SE +/- 0.07, N = 3 46.6 46.7 46.8 46.7 46.9 46.7 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
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 GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 8 16 24 32 40 SE +/- 0.37, N = 3 SE +/- 0.32, N = 3 SE +/- 0.47, N = 3 SE +/- 0.57, N = 15 SE +/- 0.24, N = 3 SE +/- 0.44, N = 4 36.74 36.40 36.56 34.96 36.82 36.44 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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
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
perf-bench Benchmark: Futex Lock-Pi OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Futex Lock-Pi Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 10K 20K 30K 40K 50K SE +/- 20.00, N = 3 SE +/- 199.05, N = 3 SE +/- 2731.13, N = 12 SE +/- 136.18, N = 3 SE +/- 7.69, N = 3 SE +/- 12.14, N = 3 13155 14193 46045 13819 9738 13043 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
Hackbench Count: 4 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 4 - Type: Thread Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 10 20 30 40 50 SE +/- 0.35, N = 3 SE +/- 0.36, N = 3 SE +/- 0.04, N = 3 SE +/- 0.24, N = 3 SE +/- 0.16, N = 3 SE +/- 0.11, N = 3 39.90 40.32 40.06 39.24 44.10 44.30 1. (CC) gcc options: -lpthread
BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 8 16 24 32 40 SE +/- 0.12, N = 3 SE +/- 0.20, N = 3 SE +/- 0.07, N = 3 SE +/- 0.09, N = 3 SE +/- 0.12, N = 3 SE +/- 0.13, N = 3 34.7 34.9 34.7 34.8 35.0 35.0 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
Hackbench Count: 4 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 4 - Type: Process Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 9 18 27 36 45 SE +/- 0.12, N = 3 SE +/- 0.15, N = 3 SE +/- 0.05, N = 3 SE +/- 0.15, N = 3 SE +/- 0.08, N = 3 SE +/- 0.16, N = 3 37.05 37.02 37.34 36.51 40.36 41.26 1. (CC) gcc options: -lpthread
Stress-NG Test: SENDFILE OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: SENDFILE Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 13K 26K 39K 52K 65K SE +/- 144.65, N = 3 SE +/- 145.15, N = 3 SE +/- 600.66, N = 5 SE +/- 48.60, N = 3 SE +/- 107.63, N = 3 SE +/- 46.31, N = 3 55850.50 54086.78 58610.15 56226.78 53687.47 54398.51 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Hackbench Count: 2 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 2 - Type: Process Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 5 10 15 20 25 SE +/- 0.03, N = 3 SE +/- 0.04, N = 3 SE +/- 0.26, N = 3 SE +/- 0.02, N = 3 SE +/- 0.22, N = 14 SE +/- 0.04, N = 3 19.35 19.57 19.70 19.25 20.91 20.89 1. (CC) gcc options: -lpthread
t-test1 Threads: 1 OpenBenchmarking.org Seconds, Fewer Is Better t-test1 2017-01-13 Threads: 1 Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 8 16 24 32 40 SE +/- 0.04, N = 3 SE +/- 0.06, N = 3 SE +/- 0.29, N = 3 SE +/- 0.06, N = 3 SE +/- 0.02, N = 3 SE +/- 0.05, N = 3 31.27 31.89 32.39 31.71 32.00 32.66 1. (CC) gcc options: -pthread
Stress-NG Test: Context Switching OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Context Switching Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 120K 240K 360K 480K 600K SE +/- 4193.19, N = 3 SE +/- 5702.98, N = 4 SE +/- 5035.55, N = 3 SE +/- 3817.65, N = 3 SE +/- 2752.66, N = 3 SE +/- 2034.95, N = 3 530566.53 550134.82 580896.52 577601.31 548376.44 574464.00 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
perf-bench Benchmark: Epoll Wait OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Epoll Wait Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 90K 180K 270K 360K 450K SE +/- 4664.03, N = 3 SE +/- 1831.78, N = 3 SE +/- 1873.36, N = 3 SE +/- 3943.79, N = 3 SE +/- 2596.83, N = 3 SE +/- 1651.40, N = 3 394078 420330 413997 416405 365409 375558 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
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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 200 400 600 800 1000 SE +/- 0.36, N = 3 SE +/- 0.22, N = 3 SE +/- 0.17, N = 3 SE +/- 0.40, N = 3 SE +/- 2.22, N = 3 SE +/- 1.66, N = 3 828.24 826.11 825.79 826.18 825.59 824.83 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 GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 2M 4M 6M 8M 10M SE +/- 13169.62, N = 3 SE +/- 26817.63, N = 3 SE +/- 22435.78, N = 3 SE +/- 39979.52, N = 3 SE +/- 12093.70, N = 3 SE +/- 10798.66, N = 3 11170312.20 11104734.09 11072394.46 11094610.36 11148830.46 11061908.02 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 3 6 9 12 15 SE +/- 0.03, N = 3 SE +/- 0.02, N = 3 SE +/- 0.02, N = 3 SE +/- 0.01, N = 3 SE +/- 0.02, N = 3 SE +/- 0.01, N = 3 9.00 9.05 8.68 8.74 9.01 8.88 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
perf-bench Benchmark: Futex Hash OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Futex Hash Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 1.5M 3M 4.5M 6M 7.5M SE +/- 5828.57, N = 3 SE +/- 31223.20, N = 3 SE +/- 11648.66, N = 3 SE +/- 17406.92, N = 3 SE +/- 9923.07, N = 3 SE +/- 9731.70, N = 3 7113178 7039350 7089686 7118599 7193341 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
Stress-NG Test: Crypto OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Crypto Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 140 280 420 560 700 SE +/- 0.12, N = 3 SE +/- 1.08, N = 3 SE +/- 2.63, N = 3 SE +/- 0.64, N = 3 SE +/- 1.45, N = 3 SE +/- 1.44, N = 3 642.70 644.11 640.73 643.77 644.00 644.60 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 200 400 600 800 1000 SE +/- 1.52, N = 3 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 1014.42 1028.26 1021.29 1020.78 1019.43 1014.43 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 400 800 1200 1600 2000 SE +/- 2.69, N = 3 SE +/- 9.84, N = 3 SE +/- 3.56, N = 3 SE +/- 4.75, N = 3 SE +/- 1.75, N = 3 SE +/- 1.60, N = 3 1957.06 1954.88 1907.72 1974.44 1877.82 1912.64 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 GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 20K 40K 60K 80K 100K SE +/- 236.51, N = 3 SE +/- 375.80, N = 3 SE +/- 70.50, N = 3 SE +/- 327.75, N = 3 SE +/- 495.62, N = 3 SE +/- 415.80, N = 3 113135.64 112106.26 112275.43 112429.17 112501.83 111451.53 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 GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 2K 4K 6K 8K 10K SE +/- 1.82, N = 3 SE +/- 1.57, N = 3 SE +/- 5.68, N = 3 SE +/- 2.27, N = 3 SE +/- 10.59, N = 3 SE +/- 0.92, N = 3 9629.61 9615.20 9599.18 9613.25 9619.98 9625.42 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 GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 3K 6K 9K 12K 15K SE +/- 17.54, N = 3 SE +/- 143.42, N = 3 SE +/- 4.70, N = 3 SE +/- 21.67, N = 3 SE +/- 16.83, N = 3 SE +/- 0.54, N = 3 11754.94 11615.23 11746.10 11704.68 11754.15 11766.64 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 4K 8K 12K 16K 20K SE +/- 41.17, N = 3 SE +/- 52.91, N = 3 SE +/- 62.92, N = 3 SE +/- 30.59, N = 3 SE +/- 39.67, N = 3 SE +/- 97.53, N = 3 19887.81 19795.18 19951.99 19873.83 19252.07 19280.77 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 GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 40K 80K 120K 160K 200K SE +/- 368.77, N = 3 SE +/- 359.72, N = 3 SE +/- 187.43, N = 3 SE +/- 267.15, N = 3 SE +/- 324.01, N = 3 SE +/- 560.17, N = 3 167641.36 167506.68 168463.99 168252.74 167420.30 168572.72 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 4K 8K 12K 16K 20K SE +/- 78.33, N = 3 SE +/- 113.92, N = 13 SE +/- 152.42, N = 3 SE +/- 43.64, N = 3 SE +/- 203.43, N = 4 SE +/- 425.25, N = 15 18304 18311 11544 18373 18133 16653 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 5K 10K 15K 20K 25K SE +/- 85.32, N = 3 SE +/- 214.91, N = 3 SE +/- 109.87, N = 3 SE +/- 353.22, N = 14 SE +/- 273.77, N = 15 SE +/- 212.79, N = 3 22822 22992 12876 23105 22637 21899 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
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 GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 800 1600 2400 3200 4000 SE +/- 1.03, N = 3 SE +/- 3.42, N = 3 SE +/- 5.81, N = 3 SE +/- 1.51, N = 3 SE +/- 5.31, N = 3 SE +/- 3.36, N = 3 3724.20 3701.61 3682.90 3705.53 3575.72 3705.68 1. (CC) gcc options: -O3 -march=native
BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 6 12 18 24 30 SE +/- 0.07, N = 3 SE +/- 0.06, N = 3 SE +/- 0.09, N = 3 SE +/- 0.09, N = 3 SE +/- 0.03, N = 3 SE +/- 0.12, N = 3 25.2 25.2 25.2 25.1 25.5 25.3 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 GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 6 12 18 24 30 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.07, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 24.8 24.8 24.9 24.8 24.9 24.8 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
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: 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: 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: 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: 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: 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: 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: 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: 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 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
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 4K 8K 12K 16K 20K SE +/- 135.39, N = 3 SE +/- 174.36, N = 3 SE +/- 142.34, N = 3 SE +/- 81.42, N = 3 SE +/- 187.37, N = 7 SE +/- 647.29, N = 15 20700 20839 12052 20959 20013 17735 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 100 200 300 400 500 SE +/- 0.18, N = 3 SE +/- 3.48, N = 3 SE +/- 2.02, N = 3 SE +/- 0.09, N = 3 SE +/- 4.10, N = 7 SE +/- 0.03, N = 3 448.0 332.3 444.1 447.9 441.7 447.8
perf-bench Benchmark: Sched Pipe OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Sched Pipe Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 50K 100K 150K 200K 250K SE +/- 569.18, N = 3 SE +/- 1452.53, N = 3 SE +/- 296.37, N = 3 SE +/- 2622.47, N = 3 SE +/- 896.38, N = 3 SE +/- 861.60, N = 3 209932 206290 199049 217939 214271 217433 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
Hackbench Count: 2 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 2 - Type: Thread Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 6 12 18 24 30 SE +/- 0.16, N = 3 SE +/- 0.12, N = 3 SE +/- 0.07, N = 3 SE +/- 0.06, N = 3 SE +/- 0.01, N = 3 SE +/- 0.03, N = 3 21.53 22.17 21.93 21.44 23.06 23.50 1. (CC) gcc options: -lpthread
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 5K 10K 15K 20K 25K SE +/- 36.96, N = 3 SE +/- 152.24, N = 3 SE +/- 948.81, N = 15 SE +/- 71.62, N = 3 SE +/- 67.90, N = 3 SE +/- 13.02, N = 3 20411 21101 11862 20614 20179 19835 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
BenchmarkMutex Benchmark: Semaphore Release And Acquire OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Semaphore Release And Acquire Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 5 10 15 20 25 SE +/- 0.07, N = 3 SE +/- 0.10, N = 3 SE +/- 0.00, N = 3 SE +/- 0.03, N = 3 SE +/- 0.03, N = 3 SE +/- 0.06, N = 3 19.1 19.0 19.0 18.9 19.0 19.0 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
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 GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 1100 2200 3300 4400 5500 SE +/- 1.90, N = 3 SE +/- 6.22, N = 3 SE +/- 4.69, N = 3 SE +/- 7.19, N = 3 SE +/- 18.98, N = 3 SE +/- 7.65, N = 3 5257.93 5237.29 5221.13 5249.70 5152.91 5252.54 1. (CC) gcc options: -O3 -march=native
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 100K 200K 300K 400K 500K SE +/- 1755.44, N = 3 SE +/- 2014.43, N = 3 SE +/- 1315.59, N = 3 SE +/- 784.80, N = 3 SE +/- 1305.06, N = 3 SE +/- 680.61, N = 3 473559 478518 474951 476636 457959 448144
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 100K 200K 300K 400K 500K SE +/- 4438.60, N = 3 SE +/- 971.00, N = 3 SE +/- 2203.58, N = 3 SE +/- 930.84, N = 3 SE +/- 3477.35, N = 3 SE +/- 1532.35, N = 3 479683 475802 483566 485903 468875 471693
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 110K 220K 330K 440K 550K SE +/- 1945.98, N = 3 SE +/- 189.67, N = 3 SE +/- 851.18, N = 3 SE +/- 1490.36, N = 3 SE +/- 2657.74, N = 3 SE +/- 3051.56, N = 3 483511 474902 490914 483240 465636 469668
OSBench Test: Create Threads OpenBenchmarking.org us Per Event, Fewer Is Better OSBench Test: Create Threads Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 4 8 12 16 20 SE +/- 0.70, N = 15 SE +/- 0.03, N = 3 SE +/- 0.04, N = 3 SE +/- 0.62, N = 15 SE +/- 0.68, N = 15 SE +/- 0.64, N = 15 15.75 14.15 14.57 15.39 16.55 16.02 -lm -lm 1. (CC) gcc options:
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 120K 240K 360K 480K 600K SE +/- 4984.28, N = 3 SE +/- 1256.22, N = 3 SE +/- 2367.23, N = 3 SE +/- 598.96, N = 3 SE +/- 1970.04, N = 3 SE +/- 1685.44, N = 3 555085 580561 556704 578088 550089 562576
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 120K 240K 360K 480K 600K SE +/- 1280.33, N = 3 SE +/- 968.00, N = 3 SE +/- 3911.99, N = 3 SE +/- 2914.07, N = 3 SE +/- 359.60, N = 3 SE +/- 1696.10, N = 3 559665 541133 558725 565671 520300 515245
Hackbench Count: 1 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 1 - Type: Process Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 3 6 9 12 15 SE +/- 0.230, N = 12 SE +/- 0.055, N = 3 SE +/- 0.083, N = 3 SE +/- 0.026, N = 3 SE +/- 0.028, N = 3 SE +/- 0.026, N = 3 10.084 9.859 9.597 9.634 10.387 11.458 1. (CC) gcc options: -lpthread
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 200K 400K 600K 800K 1000K SE +/- 4520.85, N = 3 SE +/- 1656.80, N = 3 SE +/- 3632.86, N = 3 SE +/- 6708.05, N = 13 SE +/- 1701.21, N = 3 SE +/- 3059.81, N = 3 964065 925811 933478 967927 936841 926277
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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 800 1600 2400 3200 4000 SE +/- 4.41, N = 3 SE +/- 9.26, N = 3 SE +/- 2.51, N = 3 SE +/- 3.51, N = 3 SE +/- 1.95, N = 3 SE +/- 6.66, N = 3 3719.91 3690.70 3665.78 3703.65 3548.36 3693.63 1. (CC) gcc options: -O3 -march=native
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 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
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 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 - 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 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 - 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 5K 10K 15K 20K 25K SE +/- 131.93, N = 3 SE +/- 76.26, N = 3 SE +/- 124.77, N = 3 SE +/- 77.80, N = 3 SE +/- 114.44, N = 3 SE +/- 267.82, N = 3 21434 21977 20974 21704 21412 20504 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 700 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 - 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 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: 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 200 400 600 800 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: 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 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
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 300K 600K 900K 1200K 1500K SE +/- 4109.25, N = 3 SE +/- 6916.65, N = 3 SE +/- 5290.86, N = 3 SE +/- 13961.99, N = 4 SE +/- 1165.49, N = 3 SE +/- 7819.75, N = 12 1171213 1100539 1137453 1238737 1151175 1120322
Hackbench Count: 1 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 1 - Type: Thread Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 3 6 9 12 15 SE +/- 0.05, N = 3 SE +/- 0.04, N = 3 SE +/- 0.08, N = 3 SE +/- 0.08, N = 3 SE +/- 0.04, N = 3 SE +/- 0.06, N = 3 10.96 11.45 11.39 11.03 11.98 12.15 1. (CC) gcc options: -lpthread
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 200K 400K 600K 800K 1000K SE +/- 1585.30, N = 3 SE +/- 1066.83, N = 3 SE +/- 4963.31, N = 3 SE +/- 1983.50, N = 3 SE +/- 1912.41, N = 3 SE +/- 5943.58, N = 3 811570 812530 815678 818076 807480 808658
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 GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 200K 400K 600K 800K 1000K SE +/- 856.11, N = 3 SE +/- 1759.52, N = 3 SE +/- 1812.61, N = 3 SE +/- 589.62, N = 3 SE +/- 1382.62, N = 3 SE +/- 4500.55, N = 3 819679 814485 809206 812662 814387 812768
t-test1 Threads: 2 OpenBenchmarking.org Seconds, Fewer Is Better t-test1 2017-01-13 Threads: 2 Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 3 6 9 12 15 SE +/- 0.05, N = 3 SE +/- 0.07, N = 3 SE +/- 0.05, N = 3 SE +/- 0.01, N = 3 SE +/- 0.01, N = 3 SE +/- 0.03, N = 3 10.94 10.96 10.96 10.95 11.04 11.14 1. (CC) gcc options: -pthread
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 200K 400K 600K 800K 1000K SE +/- 8681.93, N = 3 SE +/- 5500.46, N = 3 SE +/- 8337.04, N = 3 SE +/- 4775.33, N = 3 SE +/- 5079.92, N = 3 SE +/- 4947.37, N = 3 944138 997006 941645 986545 950880 948187
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 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 1100 2200 3300 4400 5500 SE +/- 8.07, N = 3 SE +/- 13.23, N = 3 SE +/- 10.80, N = 3 SE +/- 16.62, N = 3 SE +/- 12.30, N = 3 SE +/- 9.52, N = 3 5267.52 5246.12 5204.92 5241.10 5146.67 5233.32 1. (CC) gcc options: -O3 -march=native
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 600K 1200K 1800K 2400K 3000K SE +/- 22225.96, N = 7 SE +/- 19005.72, N = 3 SE +/- 13535.65, N = 3 SE +/- 25609.87, N = 3 SE +/- 9721.39, N = 3 SE +/- 16570.75, N = 15 2517133 2708985 2467568 2690253 2539979 2503889
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 400K 800K 1200K 1600K 2000K SE +/- 16098.73, N = 3 SE +/- 6177.70, N = 3 SE +/- 6345.89, N = 3 SE +/- 12640.74, N = 3 SE +/- 1897.32, N = 3 SE +/- 15480.54, N = 15 1809330 1769426 1824207 1809716 1772787 1798509
Facebook RocksDB Test: Sequential Fill OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Sequential Fill Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 120K 240K 360K 480K 600K SE +/- 2578.31, N = 3 SE +/- 5581.80, N = 3 SE +/- 3481.21, N = 3 SE +/- 2884.73, N = 3 SE +/- 3023.00, N = 3 SE +/- 6929.94, N = 3 544572 524629 490354 502525 534770 535796 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 700K 1400K 2100K 2800K 3500K SE +/- 34085.75, N = 4 SE +/- 6220.95, N = 3 SE +/- 33830.67, N = 15 SE +/- 27841.96, N = 15 SE +/- 22099.44, N = 3 SE +/- 11315.58, N = 3 3040261 2747403 3034098 3015312 2891727 2722030
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 300K 600K 900K 1200K 1500K SE +/- 1670.87, N = 3 SE +/- 3399.89, N = 3 SE +/- 17761.76, N = 3 SE +/- 2434.45, N = 3 SE +/- 4752.07, N = 3 SE +/- 7325.27, N = 3 1233688 1301654 1281031 1316867 1204312 1209161
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 300K 600K 900K 1200K 1500K SE +/- 2423.58, N = 3 SE +/- 4706.27, N = 3 SE +/- 3612.27, N = 3 SE +/- 3631.62, N = 3 SE +/- 2398.52, N = 3 SE +/- 3846.75, N = 3 1421362 1535220 1442407 1533599 1453827 1471645
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 300K 600K 900K 1200K 1500K SE +/- 9574.67, N = 3 SE +/- 1835.76, N = 3 SE +/- 5287.17, N = 3 SE +/- 3044.19, N = 3 SE +/- 3654.53, N = 3 SE +/- 16798.04, N = 3 1316913 1292375 1322294 1294386 1285487 1279652
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 300K 600K 900K 1200K 1500K SE +/- 1557.87, N = 3 SE +/- 15641.76, N = 3 SE +/- 6078.06, N = 3 SE +/- 17470.09, N = 3 SE +/- 2998.97, N = 3 SE +/- 2437.79, N = 3 1297216 1292587 1324519 1314473 1280989 1281112
LevelDB Benchmark: Sequential Fill OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Sequential Fill Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 4 8 12 16 20 SE +/- 0.03, N = 3 SE +/- 0.02, N = 3 SE +/- 0.10, N = 3 SE +/- 0.04, N = 3 SE +/- 0.05, N = 3 SE +/- 0.06, N = 3 13.55 13.67 13.41 13.70 13.96 13.73 -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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 8 16 24 32 40 SE +/- 0.10, N = 3 SE +/- 0.07, N = 3 SE +/- 0.27, N = 3 SE +/- 0.12, N = 3 SE +/- 0.12, N = 3 SE +/- 0.12, N = 3 32.6 32.3 32.9 32.2 31.6 32.2 -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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 3 6 9 12 15 SE +/- 0.07, N = 3 SE +/- 0.09, N = 3 SE +/- 0.11, N = 3 SE +/- 0.17, N = 3 SE +/- 0.15, N = 3 SE +/- 0.03, N = 3 13.16 13.06 12.85 13.45 13.45 13.46 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 300K 600K 900K 1200K 1500K SE +/- 4747.41, N = 3 SE +/- 18291.13, N = 3 SE +/- 4904.13, N = 3 SE +/- 4576.08, N = 3 SE +/- 4775.86, N = 3 SE +/- 5815.34, N = 3 1374745 1398777 1411134 1485854 1363561 1336817
OSBench Test: Create Files OpenBenchmarking.org us Per Event, Fewer Is Better OSBench Test: Create Files Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 9 18 27 36 45 SE +/- 0.04, N = 3 SE +/- 0.08, N = 3 SE +/- 0.05, N = 3 SE +/- 0.03, N = 3 SE +/- 0.24, N = 3 SE +/- 0.05, N = 3 36.75 37.18 39.00 35.35 38.82 39.40 -lm -lm 1. (CC) gcc options:
perf-bench Benchmark: Syscall Basic OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Syscall Basic Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 4M 8M 12M 16M 20M SE +/- 6821.55, N = 3 SE +/- 140077.71, N = 3 SE +/- 101385.04, N = 3 SE +/- 17869.89, N = 3 SE +/- 44903.68, N = 3 SE +/- 12906.55, N = 3 16907939 16907112 16699690 16880125 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
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 500K 1000K 1500K 2000K 2500K SE +/- 2605.04, N = 3 SE +/- 8935.81, N = 3 SE +/- 3867.40, N = 3 SE +/- 6757.28, N = 3 SE +/- 11997.79, N = 3 SE +/- 21799.46, N = 4 2054086 2208139 2016930 2214341 2062968 2044677
LevelDB Benchmark: Hot Read OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Hot Read Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.5384 1.0768 1.6152 2.1536 2.692 SE +/- 0.023, N = 3 SE +/- 0.027, N = 15 SE +/- 0.020, N = 3 SE +/- 0.021, N = 15 SE +/- 0.006, N = 3 SE +/- 0.027, N = 3 2.389 2.333 2.393 2.380 2.310 2.317 -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 GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.5425 1.085 1.6275 2.17 2.7125 SE +/- 0.019, N = 9 SE +/- 0.013, N = 3 SE +/- 0.012, N = 3 SE +/- 0.025, N = 15 SE +/- 0.027, N = 4 SE +/- 0.021, N = 7 2.411 2.361 2.402 2.381 2.293 2.353 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 700K 1400K 2100K 2800K 3500K SE +/- 24608.70, N = 9 SE +/- 2017.31, N = 3 SE +/- 1162.56, N = 3 SE +/- 20923.59, N = 3 SE +/- 10452.71, N = 3 SE +/- 41324.96, N = 3 2971343 3201959 2906209 3200311 2985001 2943227
OSBench Test: Memory Allocations OpenBenchmarking.org Ns Per Event, Fewer Is Better OSBench Test: Memory Allocations Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 30 60 90 120 150 SE +/- 0.11, N = 3 SE +/- 0.54, N = 3 SE +/- 1.67, N = 3 SE +/- 0.41, N = 3 SE +/- 0.44, N = 3 SE +/- 0.34, N = 3 135.70 135.75 143.74 134.98 141.11 137.38 -lm -lm 1. (CC) gcc options:
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 400K 800K 1200K 1600K 2000K SE +/- 19241.60, N = 3 SE +/- 4155.22, N = 3 SE +/- 14438.74, N = 3 SE +/- 19391.93, N = 3 SE +/- 24548.29, N = 3 SE +/- 8871.35, N = 3 1776333 1770294 1835701 1854187 1746678 1747103
OSBench Test: Launch Programs OpenBenchmarking.org us Per Event, Fewer Is Better OSBench Test: Launch Programs Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 20 40 60 80 100 SE +/- 0.19, N = 3 SE +/- 0.44, N = 3 SE +/- 0.41, N = 3 SE +/- 0.33, N = 3 SE +/- 0.20, N = 3 SE +/- 0.64, N = 3 91.06 91.84 93.32 90.10 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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 9 18 27 36 45 SE +/- 0.28, N = 3 SE +/- 0.24, N = 3 SE +/- 0.48, N = 3 SE +/- 0.09, N = 3 SE +/- 0.18, N = 3 SE +/- 0.16, N = 3 39.49 38.85 39.48 39.39 40.93 40.31 -lm -lm 1. (CC) gcc options:
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 500K 1000K 1500K 2000K 2500K SE +/- 4874.11, N = 3 SE +/- 4510.34, N = 3 SE +/- 18030.45, N = 3 SE +/- 20679.46, N = 3 SE +/- 5587.94, N = 3 SE +/- 4551.71, N = 3 2299703 2218924 2306298 2296753 2278454 2150341
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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 500K 1000K 1500K 2000K 2500K SE +/- 17228.51, N = 3 SE +/- 18083.45, N = 3 SE +/- 27586.82, N = 3 SE +/- 29647.93, N = 3 SE +/- 31763.45, N = 3 SE +/- 18436.29, N = 3 2337377 2295929 2360107 2386170 2351761 2283738
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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 800 1600 2400 3200 4000 SE +/- 2.94, N = 3 SE +/- 32.34, N = 3 SE +/- 6.48, N = 3 SE +/- 23.29, N = 3 SE +/- 3.01, N = 3 SE +/- 1.33, N = 3 3715.49 3661.06 3627.97 3671.46 3623.86 3648.54 1. (CC) gcc options: -O3 -march=native
LevelDB Benchmark: Seek Random OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Seek Random Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 0.7749 1.5498 2.3247 3.0996 3.8745 SE +/- 0.029, N = 3 SE +/- 0.046, N = 3 SE +/- 0.047, N = 3 SE +/- 0.018, N = 3 SE +/- 0.029, N = 3 SE +/- 0.028, N = 3 3.393 3.444 3.358 3.417 3.359 3.412 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
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 -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 700K 1400K 2100K 2800K 3500K SE +/- 29770.09, N = 3 SE +/- 21895.31, N = 3 SE +/- 8055.70, N = 3 SE +/- 41098.36, N = 3 SE +/- 18345.59, N = 3 SE +/- 35347.02, N = 3 3043686 2837381 2986912 2869905 2801157 2649855
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 GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 1100 2200 3300 4400 5500 SE +/- 7.70, N = 3 SE +/- 37.69, N = 3 SE +/- 6.49, N = 3 SE +/- 28.41, N = 3 SE +/- 12.43, N = 3 SE +/- 19.56, N = 3 5259.71 5171.08 5171.81 5172.92 5172.97 5160.39 1. (CC) gcc options: -O3 -march=native
LevelDB Benchmark: Random Fill OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Random Fill Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 4 8 12 16 20 SE +/- 0.11, N = 3 SE +/- 0.04, N = 3 SE +/- 0.14, N = 14 SE +/- 0.18, N = 3 SE +/- 0.06, N = 3 SE +/- 0.07, N = 3 14.14 14.09 14.16 14.33 14.48 14.72 -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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 7 14 21 28 35 SE +/- 0.24, N = 3 SE +/- 0.09, N = 3 SE +/- 0.30, N = 14 SE +/- 0.38, N = 3 SE +/- 0.13, N = 3 SE +/- 0.12, N = 3 31.2 31.3 31.2 30.8 30.5 30.0 -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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 4 8 12 16 20 SE +/- 0.12, N = 3 SE +/- 0.01, N = 3 SE +/- 0.06, N = 3 SE +/- 0.17, N = 4 SE +/- 0.09, N = 3 SE +/- 0.09, N = 3 14.13 14.07 13.92 14.60 14.57 14.73 -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 Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 7 14 21 28 35 SE +/- 0.23, N = 3 SE +/- 0.06, N = 3 SE +/- 0.19, N = 3 SE +/- 0.35, N = 4 SE +/- 0.19, N = 3 SE +/- 0.17, N = 3 31.2 31.3 31.7 30.2 30.3 29.9 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
ctx_clock Context Switch Time OpenBenchmarking.org Clocks, Fewer Is Better ctx_clock Context Switch Time Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 60 120 180 240 300 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.88, N = 3 SE +/- 0.33, N = 3 SE +/- 0.33, N = 3 SE +/- 0.33, N = 3 266 265 268 265 264 264
LevelDB Benchmark: Fill Sync OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Fill Sync Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 4 8 12 16 20 SE +/- 0.26, N = 4 SE +/- 0.20, N = 3 SE +/- 0.06, N = 3 SE +/- 0.20, N = 4 SE +/- 0.15, N = 3 SE +/- 0.19, N = 3 17.44 17.53 17.68 17.24 17.68 18.06 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Fill Sync OpenBenchmarking.org MB/s, More Is Better LevelDB 1.22 Benchmark: Fill Sync Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 6 12 18 24 30 SE +/- 0.31, N = 4 SE +/- 0.32, N = 3 SE +/- 0.12, N = 3 SE +/- 0.31, N = 4 SE +/- 0.21, N = 3 SE +/- 0.26, N = 3 25.1 25.0 24.8 25.4 24.9 24.3 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
Stress-NG Test: NUMA OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: NUMA Kernel GCC Kernel GCC -O2 Kernel GCC 11.1.1 Kernel GCC second Kernel LLVM Kernel LLVM 11.1 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
Phoronix Test Suite v10.8.4