EPYC 7742 LZ4

2 x AMD EPYC 7742 64-Core testing with a AMD DAYTONA_X (RDY1006G BIOS) and llvmpipe on Ubuntu 20.10 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2011169-FI-EPYC7742L52&sor.

EPYC 7742 LZ4ProcessorMotherboardChipsetMemoryDiskGraphicsMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen Resolution1232P 12P 22P 23AMD EPYC 7742 64-Core @ 2.25GHz (64 Cores / 128 Threads)AMD DAYTONA_X (RDY1006G BIOS)AMD Starship/Matisse252GB3841GB Micron_9300_MTFDHAL3T8TDPllvmpipeVE2282 x Mellanox MT27710Ubuntu 20.105.8.0-21-generic (x86_64)GNOME Shell 3.38.0X Server 1.20.8modesetting 1.20.84.5 Mesa 20.2.0 (LLVM 11.0.0 256 bits)GCC 10.2.0ext41920x10802 x AMD EPYC 7742 64-Core @ 2.25GHz (128 Cores / 256 Threads)504GBOpenBenchmarking.orgCompiler 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 ondemand - CPU Microcode: 0x8301034Security 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: conditional RSB filling + srbds: Not affected + tsx_async_abort: Not affected

EPYC 7742 LZ4compress-lz4: 1 - Compression Speedcompress-lz4: 1 - Decompression Speedcompress-lz4: 3 - Compression Speedcompress-lz4: 3 - Decompression Speedcompress-lz4: 9 - Compression Speedcompress-lz4: 9 - Decompression Speed1232P 12P 22P 239798.7611346.147.9310486.945.6610484.09709.9511362.746.4310520.545.6110477.49768.5511373.646.9010536.145.4010581.09574.1011088.346.5310206.644.5510133.09415.4311055.045.4110367.544.4210263.29662.1411079.846.3010211.144.2210345.2OpenBenchmarking.org

LZ4 Compression

Compression Level: 1 - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 1 - Compression Speed1322P 232P 12P 22K4K6K8K10KSE +/- 55.00, N = 3SE +/- 38.26, N = 3SE +/- 28.14, N = 3SE +/- 40.53, N = 3SE +/- 65.92, N = 3SE +/- 32.63, N = 39798.769768.559709.959662.149574.109415.431. (CC) gcc options: -O3

LZ4 Compression

Compression Level: 1 - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 1 - Decompression Speed3212P 12P 232P 22K4K6K8K10KSE +/- 71.00, N = 3SE +/- 33.55, N = 3SE +/- 57.18, N = 3SE +/- 57.54, N = 3SE +/- 37.67, N = 3SE +/- 80.79, N = 311373.611362.711346.111088.311079.811055.01. (CC) gcc options: -O3

LZ4 Compression

Compression Level: 3 - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 3 - Compression Speed132P 122P 232P 21122334455SE +/- 0.32, N = 3SE +/- 0.45, N = 3SE +/- 0.63, N = 3SE +/- 0.43, N = 3SE +/- 0.64, N = 3SE +/- 0.53, N = 347.9346.9046.5346.4346.3045.411. (CC) gcc options: -O3

LZ4 Compression

Compression Level: 3 - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 3 - Decompression Speed3212P 22P 232P 12K4K6K8K10KSE +/- 64.67, N = 3SE +/- 54.19, N = 3SE +/- 52.22, N = 3SE +/- 111.45, N = 3SE +/- 29.37, N = 3SE +/- 64.54, N = 310536.110520.510486.910367.510211.110206.61. (CC) gcc options: -O3

LZ4 Compression

Compression Level: 9 - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 9 - Compression Speed1232P 12P 22P 231020304050SE +/- 0.41, N = 3SE +/- 0.73, N = 3SE +/- 0.77, N = 3SE +/- 0.38, N = 3SE +/- 0.37, N = 3SE +/- 0.17, N = 345.6645.6145.4044.5544.4244.221. (CC) gcc options: -O3

LZ4 Compression

Compression Level: 9 - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 9 - Decompression Speed3122P 232P 22P 12K4K6K8K10KSE +/- 53.78, N = 3SE +/- 49.27, N = 3SE +/- 54.06, N = 3SE +/- 108.26, N = 3SE +/- 35.95, N = 3SE +/- 46.58, N = 310581.010484.010477.410345.210263.210133.01. (CC) gcc options: -O3

Phoronix Test Suite v10.8.4