fftw 5950X AMD Ryzen 9 5950X 16-Core testing with a ASUS ROG CROSSHAIR VIII HERO (WI-FI) (3202 BIOS) and AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB on Ubuntu 20.10 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2101294-HA-FFTW5950X89 .
fftw 5950X Processor Motherboard Chipset Memory Disk Graphics Audio Monitor Network OS Kernel Desktop Display Server Display Driver OpenGL Vulkan Compiler File-System Screen Resolution 1 2 3 4 AMD Ryzen 9 5950X 16-Core @ 3.40GHz (16 Cores / 32 Threads) ASUS ROG CROSSHAIR VIII HERO (WI-FI) (3202 BIOS) AMD Starship/Matisse 2 x 16384 MB DDR4-3600MT/s 2000GB Corsair Force MP600 + 500GB Samsung SSD 870 AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2100/875MHz) AMD Navi 10 HDMI Audio ASUS MG28U Realtek RTL8125 2.5GbE + Intel I211 + Intel Wi-Fi 6 AX200 Ubuntu 20.10 5.11.0-rc4-max-boost-inv-patch (x86_64) 20210121 GNOME Shell 3.38.1 X Server amd 4.6 Mesa 21.0.0-devel (git-f01bca8 2021-01-08 groovy-oibaf-ppa) (LLVM 11.0.1) 1.2.164 GCC 10.2.0 + Clang 11.0.1-1~oibaf~g ext4 3840x2160 OpenBenchmarking.org Kernel Details - Transparent Huge Pages: madvise Compiler Details - --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-10-JvwpWM/gcc-10-10.2.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-10-JvwpWM/gcc-10-10.2.0/debian/tmp-gcn/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v Processor Details - Scaling Governor: acpi-cpufreq schedutil (Boost: Enabled) - CPU Microcode: 0xa201009 Security Details - itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full AMD retpoline IBPB: conditional IBRS_FW STIBP: always-on RSB filling + srbds: Not affected + tsx_async_abort: Not affected
fftw 5950X fftw: Stock - 1D FFT Size 32 fftw: Stock - 1D FFT Size 64 fftw: Stock - 2D FFT Size 32 fftw: Stock - 2D FFT Size 64 fftw: Stock - 1D FFT Size 128 fftw: Stock - 1D FFT Size 256 fftw: Stock - 1D FFT Size 512 fftw: Stock - 2D FFT Size 128 fftw: Stock - 2D FFT Size 256 fftw: Stock - 2D FFT Size 512 fftw: Stock - 1D FFT Size 1024 fftw: Stock - 1D FFT Size 2048 fftw: Stock - 1D FFT Size 4096 fftw: Stock - 2D FFT Size 1024 fftw: Stock - 2D FFT Size 2048 fftw: Stock - 2D FFT Size 4096 fftw: Float + SSE - 1D FFT Size 32 fftw: Float + SSE - 1D FFT Size 64 fftw: Float + SSE - 2D FFT Size 32 fftw: Float + SSE - 2D FFT Size 64 fftw: Float + SSE - 1D FFT Size 128 fftw: Float + SSE - 1D FFT Size 256 fftw: Float + SSE - 1D FFT Size 512 fftw: Float + SSE - 2D FFT Size 128 fftw: Float + SSE - 2D FFT Size 256 fftw: Float + SSE - 2D FFT Size 512 fftw: Float + SSE - 1D FFT Size 1024 fftw: Float + SSE - 1D FFT Size 2048 fftw: Float + SSE - 1D FFT Size 4096 fftw: Float + SSE - 2D FFT Size 1024 fftw: Float + SSE - 2D FFT Size 2048 fftw: Float + SSE - 2D FFT Size 4096 1 2 3 4 13100 11591.6 14223 11912 12410 12027 12578 11787 11326 11377 12703 12022 11667 11131 9907 7955.9 21645 29282 60931 58383 43386 60285 66385 55806 53192 50499 71299 74902 71071 49896 45340 31991 13247 11713 13725 11913 12132 11943 12454 11538 10874 11217 12700 11979 11534 11307 9654.8 7840.7 21464 29652 60696 59828 42021 62107 65857 55381 51356 51034 72696 75177 72085 49622 45538 32608 13389 12190 13893 12249 11873 12099 12714 11813 10957 11225 12649 11794 11809 11221 9753.3 7992.9 20721 30028 61748 58563 41675 62306 67953 56516 52771 51831 70156 74331 13408 12158 13920 12200 11943 12058 12756 11734 11268 11394 12536 12019 11782 11124 9959.9 7902.8 22018 30001 58099 59030 41873 61316 67527 56607 51812 51675 71274 74592 71569 50052 45619 31841 OpenBenchmarking.org
FFTW Build: Stock - Size: 1D FFT Size 32 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 32 1 2 3 4 3K 6K 9K 12K 15K SE +/- 114.03, N = 3 SE +/- 28.26, N = 3 SE +/- 130.75, N = 3 SE +/- 30.01, N = 3 13100 13247 13389 13408 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 1D FFT Size 64 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 64 1 2 3 4 3K 6K 9K 12K 15K SE +/- 268.00, N = 15 SE +/- 107.39, N = 3 SE +/- 127.86, N = 3 SE +/- 121.87, N = 3 11591.6 11713.0 12190.0 12158.0 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 2D FFT Size 32 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 32 1 2 3 4 3K 6K 9K 12K 15K SE +/- 94.09, N = 3 SE +/- 48.50, N = 3 SE +/- 88.76, N = 3 SE +/- 27.00, N = 3 14223 13725 13893 13920 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 2D FFT Size 64 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 64 1 2 3 4 3K 6K 9K 12K 15K SE +/- 14.90, N = 3 SE +/- 40.83, N = 3 SE +/- 103.68, N = 3 SE +/- 140.38, N = 3 11912 11913 12249 12200 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 1D FFT Size 128 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 128 1 2 3 4 3K 6K 9K 12K 15K SE +/- 178.61, N = 3 SE +/- 144.14, N = 4 SE +/- 83.05, N = 3 SE +/- 153.48, N = 3 12410 12132 11873 11943 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 1D FFT Size 256 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 256 1 2 3 4 3K 6K 9K 12K 15K SE +/- 69.96, N = 3 SE +/- 44.31, N = 3 SE +/- 45.48, N = 3 SE +/- 13.58, N = 3 12027 11943 12099 12058 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 1D FFT Size 512 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 512 1 2 3 4 3K 6K 9K 12K 15K SE +/- 86.08, N = 15 SE +/- 44.18, N = 3 SE +/- 79.59, N = 3 SE +/- 47.37, N = 3 12578 12454 12714 12756 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 2D FFT Size 128 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 128 1 2 3 4 3K 6K 9K 12K 15K SE +/- 88.60, N = 11 SE +/- 106.72, N = 3 SE +/- 52.23, N = 3 SE +/- 93.63, N = 3 11787 11538 11813 11734 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 2D FFT Size 256 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 256 1 2 3 4 2K 4K 6K 8K 10K SE +/- 102.17, N = 3 SE +/- 47.79, N = 3 SE +/- 36.72, N = 3 SE +/- 101.18, N = 3 11326 10874 10957 11268 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 2D FFT Size 512 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 512 1 2 3 4 2K 4K 6K 8K 10K SE +/- 98.28, N = 3 SE +/- 58.48, N = 3 SE +/- 29.38, N = 3 SE +/- 35.88, N = 3 11377 11217 11225 11394 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 1D FFT Size 1024 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 1024 1 2 3 4 3K 6K 9K 12K 15K SE +/- 96.34, N = 3 SE +/- 77.66, N = 3 SE +/- 72.53, N = 3 SE +/- 56.41, N = 3 12703 12700 12649 12536 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 1D FFT Size 2048 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 2048 1 2 3 4 3K 6K 9K 12K 15K SE +/- 163.33, N = 3 SE +/- 97.65, N = 3 SE +/- 131.35, N = 12 SE +/- 135.55, N = 3 12022 11979 11794 12019 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 1D FFT Size 4096 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 4096 1 2 3 4 3K 6K 9K 12K 15K SE +/- 132.49, N = 4 SE +/- 7.00, N = 3 SE +/- 164.61, N = 3 SE +/- 109.61, N = 3 11667 11534 11809 11782 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 2D FFT Size 1024 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 1024 1 2 3 4 2K 4K 6K 8K 10K SE +/- 47.46, N = 3 SE +/- 86.83, N = 3 SE +/- 76.22, N = 3 SE +/- 90.42, N = 3 11131 11307 11221 11124 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 2D FFT Size 2048 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 2048 1 2 3 4 2K 4K 6K 8K 10K SE +/- 94.83, N = 3 SE +/- 33.12, N = 3 SE +/- 126.90, N = 3 SE +/- 76.74, N = 10 9907.0 9654.8 9753.3 9959.9 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Stock - Size: 2D FFT Size 4096 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 4096 1 2 3 4 2K 4K 6K 8K 10K SE +/- 36.19, N = 3 SE +/- 58.33, N = 3 SE +/- 23.00, N = 3 SE +/- 101.60, N = 3 7955.9 7840.7 7992.9 7902.8 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 1D FFT Size 32 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 32 1 2 3 4 5K 10K 15K 20K 25K SE +/- 266.65, N = 4 SE +/- 143.00, N = 15 SE +/- 860.56, N = 12 SE +/- 30.47, N = 3 21645 21464 20721 22018 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 1D FFT Size 64 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 64 1 2 3 4 6K 12K 18K 24K 30K SE +/- 568.51, N = 12 SE +/- 267.47, N = 3 SE +/- 230.65, N = 3 SE +/- 58.35, N = 3 29282 29652 30028 30001 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 2D FFT Size 32 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 32 1 2 3 4 13K 26K 39K 52K 65K SE +/- 790.63, N = 12 SE +/- 450.45, N = 15 SE +/- 336.69, N = 3 SE +/- 2856.84, N = 12 60931 60696 61748 58099 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 2D FFT Size 64 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 64 1 2 3 4 13K 26K 39K 52K 65K SE +/- 710.69, N = 3 SE +/- 762.53, N = 3 SE +/- 604.86, N = 5 SE +/- 494.05, N = 3 58383 59828 58563 59030 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 1D FFT Size 128 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 128 1 2 3 4 9K 18K 27K 36K 45K SE +/- 190.88, N = 3 SE +/- 420.93, N = 3 SE +/- 347.11, N = 15 SE +/- 530.16, N = 15 43386 42021 41675 41873 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 1D FFT Size 256 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 256 1 2 3 4 13K 26K 39K 52K 65K SE +/- 487.21, N = 3 SE +/- 466.62, N = 11 SE +/- 561.19, N = 3 SE +/- 609.85, N = 15 60285 62107 62306 61316 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 1D FFT Size 512 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 512 1 2 3 4 15K 30K 45K 60K 75K SE +/- 876.04, N = 15 SE +/- 874.05, N = 15 SE +/- 540.34, N = 3 SE +/- 681.62, N = 15 66385 65857 67953 67527 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 2D FFT Size 128 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 128 1 2 3 4 12K 24K 36K 48K 60K SE +/- 438.08, N = 10 SE +/- 639.74, N = 4 SE +/- 324.40, N = 3 SE +/- 512.07, N = 3 55806 55381 56516 56607 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 2D FFT Size 256 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 256 1 2 3 4 11K 22K 33K 44K 55K SE +/- 524.55, N = 6 SE +/- 553.88, N = 4 SE +/- 326.90, N = 3 SE +/- 613.31, N = 4 53192 51356 52771 51812 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 2D FFT Size 512 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 512 1 2 3 4 11K 22K 33K 44K 55K SE +/- 629.50, N = 3 SE +/- 593.80, N = 4 SE +/- 601.19, N = 3 SE +/- 336.97, N = 3 50499 51034 51831 51675 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 1D FFT Size 1024 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 1024 1 2 3 4 16K 32K 48K 64K 80K SE +/- 1006.17, N = 3 SE +/- 577.63, N = 3 SE +/- 689.83, N = 15 SE +/- 638.12, N = 3 71299 72696 70156 71274 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 1D FFT Size 2048 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 2048 1 2 3 4 16K 32K 48K 64K 80K SE +/- 639.07, N = 15 SE +/- 1000.12, N = 3 SE +/- 611.71, N = 3 SE +/- 637.01, N = 15 74902 75177 74331 74592 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 1D FFT Size 4096 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 4096 1 2 4 15K 30K 45K 60K 75K SE +/- 568.33, N = 15 SE +/- 645.17, N = 3 SE +/- 576.51, N = 15 71071 72085 71569 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 2D FFT Size 1024 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 1024 1 2 4 11K 22K 33K 44K 55K SE +/- 517.06, N = 3 SE +/- 363.19, N = 11 SE +/- 385.15, N = 13 49896 49622 50052 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 2D FFT Size 2048 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 2048 1 2 4 10K 20K 30K 40K 50K SE +/- 449.29, N = 3 SE +/- 238.10, N = 3 SE +/- 341.83, N = 10 45340 45538 45619 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
FFTW Build: Float + SSE - Size: 2D FFT Size 4096 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 4096 1 2 4 7K 14K 21K 28K 35K SE +/- 268.01, N = 3 SE +/- 69.41, N = 3 SE +/- 384.33, N = 4 31991 32608 31841 1. (CC) gcc options: -pthread -O3 -fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -lm
Phoronix Test Suite v10.8.5