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&sor .
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 4 3 2 1 3K 6K 9K 12K 15K SE +/- 30.01, N = 3 SE +/- 130.75, N = 3 SE +/- 28.26, N = 3 SE +/- 114.03, N = 3 13408 13389 13247 13100 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 3 4 2 1 3K 6K 9K 12K 15K SE +/- 127.86, N = 3 SE +/- 121.87, N = 3 SE +/- 107.39, N = 3 SE +/- 268.00, N = 15 12190.0 12158.0 11713.0 11591.6 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 4 3 2 3K 6K 9K 12K 15K SE +/- 94.09, N = 3 SE +/- 27.00, N = 3 SE +/- 88.76, N = 3 SE +/- 48.50, N = 3 14223 13920 13893 13725 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 3 4 2 1 3K 6K 9K 12K 15K SE +/- 103.68, N = 3 SE +/- 140.38, N = 3 SE +/- 40.83, N = 3 SE +/- 14.90, N = 3 12249 12200 11913 11912 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 4 3 3K 6K 9K 12K 15K SE +/- 178.61, N = 3 SE +/- 144.14, N = 4 SE +/- 153.48, N = 3 SE +/- 83.05, N = 3 12410 12132 11943 11873 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 3 4 1 2 3K 6K 9K 12K 15K SE +/- 45.48, N = 3 SE +/- 13.58, N = 3 SE +/- 69.96, N = 3 SE +/- 44.31, N = 3 12099 12058 12027 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 512 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 512 4 3 1 2 3K 6K 9K 12K 15K SE +/- 47.37, N = 3 SE +/- 79.59, N = 3 SE +/- 86.08, N = 15 SE +/- 44.18, N = 3 12756 12714 12578 12454 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 3 1 4 2 3K 6K 9K 12K 15K SE +/- 52.23, N = 3 SE +/- 88.60, N = 11 SE +/- 93.63, N = 3 SE +/- 106.72, N = 3 11813 11787 11734 11538 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 4 3 2 2K 4K 6K 8K 10K SE +/- 102.17, N = 3 SE +/- 101.18, N = 3 SE +/- 36.72, N = 3 SE +/- 47.79, N = 3 11326 11268 10957 10874 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 4 1 3 2 2K 4K 6K 8K 10K SE +/- 35.88, N = 3 SE +/- 98.28, N = 3 SE +/- 29.38, N = 3 SE +/- 58.48, N = 3 11394 11377 11225 11217 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 4 2 3 3K 6K 9K 12K 15K SE +/- 163.33, N = 3 SE +/- 135.55, N = 3 SE +/- 97.65, N = 3 SE +/- 131.35, N = 12 12022 12019 11979 11794 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 3 4 1 2 3K 6K 9K 12K 15K SE +/- 164.61, N = 3 SE +/- 109.61, N = 3 SE +/- 132.49, N = 4 SE +/- 7.00, N = 3 11809 11782 11667 11534 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 2 3 1 4 2K 4K 6K 8K 10K SE +/- 86.83, N = 3 SE +/- 76.22, N = 3 SE +/- 47.46, N = 3 SE +/- 90.42, N = 3 11307 11221 11131 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 4 1 3 2 2K 4K 6K 8K 10K SE +/- 76.74, N = 10 SE +/- 94.83, N = 3 SE +/- 126.90, N = 3 SE +/- 33.12, N = 3 9959.9 9907.0 9753.3 9654.8 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 3 1 4 2 2K 4K 6K 8K 10K SE +/- 23.00, N = 3 SE +/- 36.19, N = 3 SE +/- 101.60, N = 3 SE +/- 58.33, N = 3 7992.9 7955.9 7902.8 7840.7 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 4 1 2 3 5K 10K 15K 20K 25K SE +/- 30.47, N = 3 SE +/- 266.65, N = 4 SE +/- 143.00, N = 15 SE +/- 860.56, N = 12 22018 21645 21464 20721 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 3 4 2 1 6K 12K 18K 24K 30K SE +/- 230.65, N = 3 SE +/- 58.35, N = 3 SE +/- 267.47, N = 3 SE +/- 568.51, N = 12 30028 30001 29652 29282 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 3 1 2 4 13K 26K 39K 52K 65K SE +/- 336.69, N = 3 SE +/- 790.63, N = 12 SE +/- 450.45, N = 15 SE +/- 2856.84, N = 12 61748 60931 60696 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 2 4 3 1 13K 26K 39K 52K 65K SE +/- 762.53, N = 3 SE +/- 494.05, N = 3 SE +/- 604.86, N = 5 SE +/- 710.69, N = 3 59828 59030 58563 58383 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 4 3 9K 18K 27K 36K 45K SE +/- 190.88, N = 3 SE +/- 420.93, N = 3 SE +/- 530.16, N = 15 SE +/- 347.11, N = 15 43386 42021 41873 41675 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 3 2 4 1 13K 26K 39K 52K 65K SE +/- 561.19, N = 3 SE +/- 466.62, N = 11 SE +/- 609.85, N = 15 SE +/- 487.21, N = 3 62306 62107 61316 60285 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 3 4 1 2 15K 30K 45K 60K 75K SE +/- 540.34, N = 3 SE +/- 681.62, N = 15 SE +/- 876.04, N = 15 SE +/- 874.05, N = 15 67953 67527 66385 65857 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 4 3 1 2 12K 24K 36K 48K 60K SE +/- 512.07, N = 3 SE +/- 324.40, N = 3 SE +/- 438.08, N = 10 SE +/- 639.74, N = 4 56607 56516 55806 55381 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 3 4 2 11K 22K 33K 44K 55K SE +/- 524.55, N = 6 SE +/- 326.90, N = 3 SE +/- 613.31, N = 4 SE +/- 553.88, N = 4 53192 52771 51812 51356 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 3 4 2 1 11K 22K 33K 44K 55K SE +/- 601.19, N = 3 SE +/- 336.97, N = 3 SE +/- 593.80, N = 4 SE +/- 629.50, N = 3 51831 51675 51034 50499 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 2 1 4 3 16K 32K 48K 64K 80K SE +/- 577.63, N = 3 SE +/- 1006.17, N = 3 SE +/- 638.12, N = 3 SE +/- 689.83, N = 15 72696 71299 71274 70156 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 2 1 4 3 16K 32K 48K 64K 80K SE +/- 1000.12, N = 3 SE +/- 639.07, N = 15 SE +/- 637.01, N = 15 SE +/- 611.71, N = 3 75177 74902 74592 74331 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 2 4 1 15K 30K 45K 60K 75K SE +/- 645.17, N = 3 SE +/- 576.51, N = 15 SE +/- 568.33, N = 15 72085 71569 71071 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 4 1 2 11K 22K 33K 44K 55K SE +/- 385.15, N = 13 SE +/- 517.06, N = 3 SE +/- 363.19, N = 11 50052 49896 49622 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 4 2 1 10K 20K 30K 40K 50K SE +/- 341.83, N = 10 SE +/- 238.10, N = 3 SE +/- 449.29, N = 3 45619 45538 45340 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 2 1 4 7K 14K 21K 28K 35K SE +/- 69.41, N = 3 SE +/- 268.01, N = 3 SE +/- 384.33, N = 4 32608 31991 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