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/2105120-HA-2105128HA60&grs .
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 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) 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 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 iperf: 5201 - 10 Seconds - TCP - 1 rocksdb: Rand Fill rocksdb: Rand Fill Sync hackbench: 16 - Thread hackbench: 8 - Thread ipc-benchmark: FIFO Named Pipe - 128 perf-bench: Epoll Wait hackbench: 8 - Process hackbench: 16 - Process ipc-benchmark: Unnamed Pipe - 128 hackbench: 4 - Process rocksdb: Seq Fill hackbench: 4 - Thread hackbench: 1 - Thread stress-ng: Context Switching stress-ng: System V Message Passing perf-bench: Sched Pipe stress-ng: SENDFILE hackbench: 2 - Thread ipc-benchmark: Unnamed Unix Domain Socket - 2048 apache: Static Web Page Serving hackbench: 2 - Process ipc-benchmark: FIFO Named Pipe - 256 osbench: Create Files osbench: Launch Programs stress-ng: Semaphores ipc-benchmark: Unnamed Unix Domain Socket - 256 leveldb: Overwrite ipc-benchmark: Unnamed Unix Domain Socket - 4096 osbench: Memory Allocations leveldb: Overwrite ipc-benchmark: Unnamed Unix Domain Socket - 128 ipc-benchmark: FIFO Named Pipe - 4096 pmbench: 1 - 80% Reads 20% Writes leveldb: Rand Read ipc-benchmark: FIFO Named Pipe - 512 sqlite-speedtest: Timed Time - Size 1,000 mbw: Memory Copy, Fixed Block Size - 512 MiB leveldb: Rand Delete postmark: Disk Transaction Performance ipc-benchmark: Unnamed Unix Domain Socket - 512 iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 32 t-test1: 1 stress-ng: Socket Activity mbw: Memory Copy, Fixed Block Size - 1024 MiB leveldb: Rand Fill leveldb: Seq Fill leveldb: Seq Fill ipc-benchmark: Unnamed Unix Domain Socket - 1024 perf-bench: Memset 1MB leveldb: Rand Fill stress-ng: MEMFD pmbench: 4 - 100% Reads osbench: Create Processes stress-ng: Forking leveldb: Hot Read leveldb: Fill Sync ipc-benchmark: TCP Socket - 1024 pmbench: 2 - 50% ipc-benchmark: FIFO Named Pipe - 1024 mbw: Memory Copy, Fixed Block Size - 4096 MiB pmbench: 4 - 50% ipc-benchmark: Unnamed Pipe - 256 ipc-benchmark: Unnamed Pipe - 1024 leveldb: Fill Sync rocksdb: Rand Read pmbench: 1 - 100% Writes mbw: Memory Copy - 4096 MiB ipc-benchmark: Unnamed Pipe - 4096 ipc-benchmark: TCP Socket - 256 ipc-benchmark: Unnamed Pipe - 512 pmbench: 1 - 100% Reads ipc-benchmark: TCP Socket - 128 perf-bench: Futex Hash mbw: Memory Copy, Fixed Block Size - 128 MiB pmbench: 2 - 100% Writes mbw: Memory Copy - 512 MiB ipc-benchmark: TCP Socket - 512 ipc-benchmark: TCP Socket - 4096 pmbench: 4 - 100% Writes mbw: Memory Copy - 1024 MiB perf-bench: Syscall Basic mbw: Memory Copy - 128 MiB mutex: Shared Mutex Lock Shared t-test1: 2 leveldb: Seek Rand ctx-clock: Context Switch Time stress-ng: Glibc C String Functions pmbench: 2 - 80% Reads 20% Writes openssl: RSA 4096-bit Performance ipc-benchmark: Unnamed Pipe - 2048 pmbench: 2 - 100% Reads pmbench: 1 - 50% mutex: Mutex Lock Unlock std::mutex stress-ng: Glibc Qsort Data Sorting ipc-benchmark: FIFO Named Pipe - 2048 ipc-benchmark: TCP Socket - 2048 stress-ng: Malloc perf-bench: Memcpy 1MB mutex: Mutex Lock Unlock spinlock mutex: Mutex Lock Unlock std::mutex tinymembench: Standard Memset stress-ng: Atomic stress-ng: Memory Copying mutex: Mutex Lock Unlock spinlock_amd stress-ng: Crypto mutex: Semaphore Release And Acquire stress-ng: CPU Stress mutex: Mutex Lock Unlock ticket_spinlock stress-ng: Vector Math tinymembench: Standard Memcpy stress-ng: Matrix Math stress-ng: NUMA mutex: Mutex Lock Unlock pthread_mutex pgbench: 100 - 1 - Read Only - Average Latency pgbench: 100 - 1 - Read Only pgbench: 1 - 250 - Read Only - Average Latency pgbench: 1 - 250 - Read Only 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 Write - Average Latency pgbench: 1 - 1 - Read Write pgbench: 1 - 1 - Read Only - Average Latency pgbench: 1 - 1 - Read Only iperf: 5201 - 10 Seconds - UDP - 64 iperf: 5201 - 10 Seconds - UDP - 32 iperf: 5201 - 10 Seconds - UDP - 1 iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 64 iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 32 iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 1 iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 1 schbench: 8 - 4 rocksdb: Read While Writing stress-ng: CPU Cache stress-ng: MMAP hackbench: 32 - Process hackbench: 1 - Process osbench: Create Threads perf-bench: Futex Lock-Pi wireguard: iperf: 5201 - 10 Seconds - TCP - 64 iperf: 5201 - 10 Seconds - TCP - 32 iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 64 pmbench: 4 - 80% Reads 20% Writes Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 22637 452057 490063 168.261 88.294 2801157 365409 79.201 159.749 2891727 40.361 534770 44.099 11.979 548376.44 4225731.83 214271 53687.47 23.060 520300 16754.67 20.910 2278454 38.822397 95.507304 1229760.03 1204312 30.3 457959 141.110659 14.570 1363561 465636 0.1175 2.293 1746678 132.190 3548.362 13.453 3713 1151175 21412 31.999 1877.82 3575.719 14.481 13.957 31.6 936841 12.033610 30.5 9.01 0.0655 40.930907 19252.07 2.310 17.679 1453827 0.1161 1280989 3600.373 0.1191 2351761 1285487 24.9 13123433 0.1038 5105.868 468875 2539979 1772787 0.0623 2985001 7193341 3623.863 0.1065 5146.671 2062968 550089 0.1132 5152.911 16627566 5172.974 31.9 11.041 3.359 264 112501.83 0.1200 441.7 814387 0.0640 0.1128 25.5 36.82 807480 950880 11148830.46 5.969103 42.9 35.0 5702.3 167420.30 1019.43 46.9 644.00 19.0 825.59 24.9 9619.98 5825.3 11754.15 38 21.3 0.050 19914 4.305 58083 1.445 69196 0.685 73013 7.225 138 0.041 24331 67.1 33.6 1.05 6400 3200 1000 100 33519 244439 6.84 12.45 369.548 10.387 16.550064 9738 550.068 18133 20013 20179 0.1240 22822 458917 499640 153.611 77.877 3043686 394078 72.842 144.751 3040261 37.050 544572 39.901 10.963 530566.53 4626477.31 209932 55850.50 21.534 559665 18155.45 19.354 2299703 36.750389 91.060797 1277296.32 1233688 31.2 473559 135.699351 14.125 1374745 483511 0.1159 2.411 1776333 125.962 3719.911 13.161 3866 1171213 21434 31.274 1957.06 3724.204 14.137 13.547 32.6 964065 11.998912 31.2 9.0 0.0649 39.486885 19887.81 2.389 17.435 1421362 0.1176 1297216 3722.106 0.1206 2337377 1316913 25.1 13347834 0.1032 5267.712 479683 2517133 1809330 0.0632 2971343 7113178 3715.488 0.1059 5267.520 2054086 555085 0.1129 5257.927 16907939 5259.714 31.6 10.939 3.393 266 113135.64 0.1209 448.0 819679 0.0637 0.1135 25.2 36.74 811570 944138 11170312.20 5.913378 42.5 34.7 5691.5 167641.36 1014.42 46.6 642.70 19.1 828.24 24.8 9629.61 5826.1 11754.94 38 21.3 67.1 33.6 1.05 6400 3200 1000 100 28597 239799 6.90 13.13 317.405 10.084 15.745640 13155 513.194 18304 20700 20411 0.1235 21899 449078 490666 176.700 88.562 2649855 375558 81.684 161.291 2722030 41.255 535796 44.300 12.146 574464.00 4244091.68 217433 54398.51 23.498 515245 16830.43 20.888 2150341 39.395617 97.432931 1274218.42 1209161 29.9 448144 137.383382 14.731 1336817 469668 0.1194 2.353 1747103 131.720 3693.634 13.462 3713 1120322 20504 32.656 1912.64 3705.678 14.722 13.725 32.2 926277 12.017047 30.0 8.88 0.0672 40.313403 19280.77 2.317 18.057 1471645 0.1182 1281112 3689.686 0.1231 2283738 1279652 24.3 13283954 0.1049 5240.097 471693 2503889 1798509 0.0641 2943227 7006665 3648.544 0.1085 5233.318 2044677 562576 0.1145 5252.537 16586283 5160.392 31.9 11.144 3.412 264 111451.53 0.1218 447.8 812768 0.0645 0.1138 25.3 36.44 808658 948187 11061908.02 5.954150 42.5 35.0 5677.3 168572.72 1014.43 46.7 644.6 19.0 824.83 24.8 9625.42 5809.3 11766.64 38 21.3 67.1 33.6 1.05 6400 3200 1000 100 28747 247556 6.69 12.71 349.937 11.458 16.019980 13043 555.201 16653 17735 19835 0.1234 12876 371696 418203 152.801 77.028 2986912 413997 72.164 143.683 3034098 37.338 490354 40.064 11.390 580896.52 4546211.15 199049 58610.15 21.931 558725 17756.27 19.701 2306298 39.003627 93.320211 1197368.79 1281031 31.7 474951 143.742005 13.918 1411134 490914 0.1221 2.402 1835701 129.840 3665.782 12.847 3886 1137453 20974 32.387 1907.72 3682.902 14.159 13.405 32.9 933478 11.564334 31.2 8.68 0.0648 39.476554 19951.99 2.393 17.681 1442407 0.1201 1324519 3689.899 0.1218 2360107 1322294 24.8 12925885 0.1065 5241.737 483566 2467568 1824207 0.0633 2906209 7089686 3627.968 0.1084 5204.924 2016930 556704 0.1153 5221.134 16699690 5171.806 32.2 10.960 3.358 268 112275.43 0.1218 444.1 809206 0.0638 0.1142 25.2 36.56 815678 941645 11072394.46 5.927645 42.8 34.7 5662.7 168463.99 1021.29 46.8 640.73 19 825.79 24.9 9599.18 5810.2 11746.10 38 21.3 67.1 33.6 1.05 6400 3200 1000 100 29393 236996 6.88 12.43 351.330 9.597 14.566580 46045 546.302 11544 12052 11862 0.1360 OpenBenchmarking.org
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 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 22637 22822 21899 12876 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
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 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 452057 458917 449078 371696 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 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 490063 499640 490666 418203 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -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 40 80 120 160 200 SE +/- 1.75, N = 3 SE +/- 0.69, N = 3 SE +/- 2.17, N = 4 SE +/- 1.30, N = 8 168.26 153.61 176.70 152.80 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 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 88.29 77.88 88.56 77.03 1. (CC) gcc options: -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 LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 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 2801157 3043686 2649855 2986912
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 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 365409 394078 375558 413997 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: 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 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 79.20 72.84 81.68 72.16 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 40 80 120 160 200 SE +/- 0.62, N = 3 SE +/- 0.22, N = 3 SE +/- 1.83, N = 3 SE +/- 0.54, N = 3 159.75 144.75 161.29 143.68 1. (CC) gcc options: -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 LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 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 2891727 3040261 2722030 3034098
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 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 40.36 37.05 41.26 37.34 1. (CC) gcc options: -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 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 534770 544572 535796 490354 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -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 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 44.10 39.90 44.30 40.06 1. (CC) gcc options: -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 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 11.98 10.96 12.15 11.39 1. (CC) gcc options: -lpthread
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 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 548376.44 530566.53 574464.00 580896.52 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 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 4225731.83 4626477.31 4244091.68 4546211.15 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 214271 209932 217433 199049 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
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 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 53687.47 55850.50 54398.51 58610.15 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 23.06 21.53 23.50 21.93 1. (CC) gcc options: -lpthread
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 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 520300 559665 515245 558725
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 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 16754.67 18155.45 16830.43 17756.27 1. (CC) gcc options: -shared -fPIC -O2 -pthread
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 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 20.91 19.35 20.89 19.70 1. (CC) gcc options: -lpthread
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 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 2278454 2299703 2150341 2306298
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 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 38.82 36.75 39.40 39.00 -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 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 95.51 91.06 97.43 93.32 -lm -lm 1. (CC) gcc options:
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 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 1229760.03 1277296.32 1274218.42 1197368.79 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 1204312 1233688 1209161 1281031
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 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 30.3 31.2 29.9 31.7 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
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 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 457959 473559 448144 474951
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 30 60 90 120 150 SE +/- 0.44, N = 3 SE +/- 0.11, N = 3 SE +/- 0.34, N = 3 SE +/- 1.67, N = 3 141.11 135.70 137.38 143.74 -lm -lm 1. (CC) gcc options:
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 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 14.57 14.13 14.73 13.92 -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 LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 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 1363561 1374745 1336817 1411134
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 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 465636 483511 469668 490914
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 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 0.1175 0.1159 0.1194 0.1221 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
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 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 2.293 2.411 2.353 2.402 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
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 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 1746678 1776333 1747103 1835701
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 30 60 90 120 150 SE +/- 0.52, N = 3 SE +/- 0.26, N = 3 SE +/- 0.40, N = 3 SE +/- 0.41, N = 3 132.19 125.96 131.72 129.84 1. (CC) gcc options: -O2 -ldl -lz -lpthread
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 11.1.1 800 1600 2400 3200 4000 SE +/- 1.95, N = 3 SE +/- 4.41, N = 3 SE +/- 6.66, N = 3 SE +/- 2.51, N = 3 3548.36 3719.91 3693.63 3665.78 1. (CC) gcc options: -O3 -march=native
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 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 13.45 13.16 13.46 12.85 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
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 11.1.1 800 1600 2400 3200 4000 SE +/- 18.33, N = 3 SE +/- 20.00, N = 3 SE +/- 18.33, N = 3 SE +/- 20.00, N = 3 3713 3866 3713 3886 1. (CC) gcc options: -O3
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 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 1151175 1171213 1120322 1137453
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 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 21412 21434 20504 20974 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
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 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 32.00 31.27 32.66 32.39 1. (CC) gcc options: -pthread
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 11.1.1 400 800 1200 1600 2000 SE +/- 1.75, N = 3 SE +/- 2.69, N = 3 SE +/- 1.60, N = 3 SE +/- 3.56, N = 3 1877.82 1957.06 1912.64 1907.72 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 11.1.1 800 1600 2400 3200 4000 SE +/- 5.31, N = 3 SE +/- 1.03, N = 3 SE +/- 3.36, N = 3 SE +/- 5.81, N = 3 3575.72 3724.20 3705.68 3682.90 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 LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 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 14.48 14.14 14.72 14.16 -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 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 13.96 13.55 13.73 13.41 -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 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 31.6 32.6 32.2 32.9 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -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 LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 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 936841 964065 926277 933478
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 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 12.03 12.00 12.02 11.56 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
LevelDB Benchmark: 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 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 30.5 31.2 30.0 31.2 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
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 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 9.01 9.00 8.88 8.68 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 0.0655 0.0649 0.0672 0.0648 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
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 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 40.93 39.49 40.31 39.48 -lm -lm 1. (CC) gcc options:
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 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 19252.07 19887.81 19280.77 19951.99 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 2.310 2.389 2.317 2.393 -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 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 17.68 17.44 18.06 17.68 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
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 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 1453827 1421362 1471645 1442407
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 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 0.1161 0.1176 0.1182 0.1201 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
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 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 1280989 1297216 1281112 1324519
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 11.1.1 800 1600 2400 3200 4000 SE +/- 37.05, N = 3 SE +/- 0.67, N = 3 SE +/- 3.81, N = 3 SE +/- 2.63, N = 3 3600.37 3722.11 3689.69 3689.90 1. (CC) gcc options: -O3 -march=native
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 0.0277 0.0554 0.0831 0.1108 0.1385 SE +/- 0.0004, N = 3 SE +/- 0.0006, N = 3 SE +/- 0.0016, N = 3 SE +/- 0.0013, N = 3 0.1191 0.1206 0.1231 0.1218 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
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 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 2351761 2337377 2283738 2360107
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 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 1285487 1316913 1279652 1322294
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 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 24.9 25.1 24.3 24.8 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -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 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 13123433 13347834 13283954 12925885 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% 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 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 0.1038 0.1032 0.1049 0.1065 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
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 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 5105.87 5267.71 5240.10 5241.74 1. (CC) gcc options: -O3 -march=native
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 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 468875 479683 471693 483566
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 500K 1000K 1500K 2000K 2500K SE +/- 9721.39, N = 3 SE +/- 22225.96, N = 7 SE +/- 16570.75, N = 15 SE +/- 13535.65, N = 3 2539979 2517133 2503889 2467568
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 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 1772787 1809330 1798509 1824207
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 0.0144 0.0288 0.0432 0.0576 0.072 SE +/- 0.0005, N = 15 SE +/- 0.0006, N = 7 SE +/- 0.0003, N = 3 SE +/- 0.0005, N = 15 0.0623 0.0632 0.0641 0.0633 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
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 600K 1200K 1800K 2400K 3000K SE +/- 10452.71, N = 3 SE +/- 24608.70, N = 9 SE +/- 41324.96, N = 3 SE +/- 1162.56, N = 3 2985001 2971343 2943227 2906209
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 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 7193341 7113178 7006665 7089686 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
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 11.1.1 800 1600 2400 3200 4000 SE +/- 3.01, N = 3 SE +/- 2.94, N = 3 SE +/- 1.33, N = 3 SE +/- 6.48, N = 3 3623.86 3715.49 3648.54 3627.97 1. (CC) gcc options: -O3 -march=native
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 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 0.1065 0.1059 0.1085 0.1084 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
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 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 5146.67 5267.52 5233.32 5204.92 1. (CC) gcc options: -O3 -march=native
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 400K 800K 1200K 1600K 2000K SE +/- 11997.79, N = 3 SE +/- 2605.04, N = 3 SE +/- 21799.46, N = 4 SE +/- 3867.40, N = 3 2062968 2054086 2044677 2016930
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 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 550089 555085 562576 556704
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 0.0259 0.0518 0.0777 0.1036 0.1295 SE +/- 0.0014, N = 3 SE +/- 0.0001, N = 3 SE +/- 0.0013, N = 3 SE +/- 0.0005, N = 3 0.1132 0.1129 0.1145 0.1153 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -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 LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 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 5152.91 5257.93 5252.54 5221.13 1. (CC) gcc options: -O3 -march=native
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 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 16627566 16907939 16586283 16699690 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
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 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 5172.97 5259.71 5160.39 5171.81 1. (CC) gcc options: -O3 -march=native
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 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 31.9 31.6 31.9 32.2 1. (CXX) g++ options: -std=c++17 -lbenchmark -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 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 11.04 10.94 11.14 10.96 1. (CC) gcc options: -pthread
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 0.7677 1.5354 2.3031 3.0708 3.8385 SE +/- 0.029, N = 3 SE +/- 0.029, N = 3 SE +/- 0.028, N = 3 SE +/- 0.047, N = 3 3.359 3.393 3.412 3.358 -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 LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 60 120 180 240 300 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.88, N = 3 264 266 264 268
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 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 112501.83 113135.64 111451.53 112275.43 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 LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 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 0.1200 0.1209 0.1218 0.1218 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
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 11.1.1 100 200 300 400 500 SE +/- 4.10, N = 7 SE +/- 0.18, N = 3 SE +/- 0.03, N = 3 SE +/- 2.02, N = 3 441.7 448.0 447.8 444.1
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 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 814387 819679 812768 809206
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 0.0145 0.029 0.0435 0.058 0.0725 SE +/- 0.0000, N = 3 SE +/- 0.0000, N = 3 SE +/- 0.0008, N = 3 SE +/- 0.0006, N = 15 0.0640 0.0637 0.0645 0.0638 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 LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 0.0257 0.0514 0.0771 0.1028 0.1285 SE +/- 0.0015, N = 3 SE +/- 0.0015, N = 3 SE +/- 0.0007, N = 3 SE +/- 0.0008, N = 3 0.1128 0.1135 0.1138 0.1142 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -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 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 25.5 25.2 25.3 25.2 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 LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 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 36.82 36.74 36.44 36.56 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 807480 811570 808658 815678
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 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 950880 944138 948187 941645
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 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 11148830.46 11170312.20 11061908.02 11072394.46 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
perf-bench Benchmark: Memcpy 1MB OpenBenchmarking.org GB/sec, More Is Better perf-bench Benchmark: Memcpy 1MB Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 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 5.969103 5.913378 5.954150 5.927645 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 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 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 42.9 42.5 42.5 42.8 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 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 35.0 34.7 35.0 34.7 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
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 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 5702.3 5691.5 5677.3 5662.7 1. (CC) gcc options: -O2 -lm
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 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 167420.30 167641.36 168572.72 168463.99 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 11.1.1 200 400 600 800 1000 SE +/- 6.09, N = 3 SE +/- 1.52, N = 3 SE +/- 2.74, N = 3 SE +/- 2.92, N = 3 1019.43 1014.42 1014.43 1021.29 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 46.9 46.6 46.7 46.8 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
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 11.1.1 140 280 420 560 700 SE +/- 1.45, N = 3 SE +/- 0.12, N = 3 SE +/- 1.44, N = 3 SE +/- 2.63, N = 3 644.00 642.70 644.60 640.73 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 19.0 19.1 19.0 19.0 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
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 11.1.1 200 400 600 800 1000 SE +/- 2.22, N = 3 SE +/- 0.36, N = 3 SE +/- 1.66, N = 3 SE +/- 0.17, N = 3 825.59 828.24 824.83 825.79 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 24.9 24.8 24.8 24.9 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
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 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 9619.98 9629.61 9625.42 9599.18 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 5825.3 5826.1 5809.3 5810.2 1. (CC) gcc options: -O2 -lm
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 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 11754.15 11754.94 11766.64 11746.10 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 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 38 38 38 38 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 21.3 21.3 21.3 21.3 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
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
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: 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 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: 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: 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 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 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 - 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 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 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: 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 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 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 - 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 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 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 - 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 11.1.1 700 1400 2100 2800 3500 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 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 - 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 11.1.1 200 400 600 800 1000 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 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 LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 20 40 60 80 100 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 100 100 100 100 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
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 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 33519 28597 28747 29393 1. (CC) gcc options: -O2 -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 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 244439 239799 247556 236996 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
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 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 6.84 6.90 6.69 6.88 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 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 12.45 13.13 12.71 12.43 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
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 80 160 240 320 400 SE +/- 6.99, N = 9 SE +/- 6.91, N = 8 SE +/- 9.64, N = 9 SE +/- 24.00, N = 9 369.55 317.41 349.94 351.33 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 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 10.387 10.084 11.458 9.597 1. (CC) gcc options: -lpthread
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 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 16.55 15.75 16.02 14.57 -lm -lm 1. (CC) gcc options:
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 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 9738 13155 13043 46045 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
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 11.1.1 120 240 360 480 600 SE +/- 0.12, N = 3 SE +/- 1.35, N = 3 SE +/- 0.65, N = 3 SE +/- 25.08, N = 9 550.07 513.19 555.20 546.30
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 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 18133 18304 16653 11544 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 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 20013 20700 17735 12052 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 4K 8K 12K 16K 20K SE +/- 67.90, N = 3 SE +/- 36.96, N = 3 SE +/- 13.02, N = 3 SE +/- 948.81, N = 15 20179 20411 19835 11862 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
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 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 0.1240 0.1235 0.1234 0.1360 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
Phoronix Test Suite v10.8.4