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