cache

KVM testing on CentOS Linux 8 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2011220-FI-CACHE514750.

cacheProcessorMotherboardMemoryDiskOSKernelCompilerFile-SystemSystem Layercache-testcache-test1cache-test2cache-test3Intel Xeon (1 Core / 2 Threads)Google Compute Engine n2-standard-28GB38GB PersistentDiskCentOS Linux 84.18.0-193.28.1.el8_2.x86_64 (x86_64)GCC 8.3.1 20191121xfsKVMOpenBenchmarking.orgCompiler Details- --build=x86_64-redhat-linux --disable-libmpx --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-cet --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,fortran,lto --enable-multilib --enable-offload-targets=nvptx-none --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-gcc-major-version-only --with-isl --with-linker-hash-style=gnu --with-tune=generic --without-cuda-driver Processor Details- CPU Microcode: 0x1Security Details- itlb_multihit: Not affected + l1tf: Not affected + mds: Mitigation of Clear buffers; SMT Host state unknown + 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 Enhanced IBRS IBPB: conditional RSB filling + srbds: Not affected + tsx_async_abort: Mitigation of Clear buffers; SMT Host state unknown

cachecachebench: Readcachebench: Writecachebench: Read / Modify / Writecache-testcache-test1cache-test2cache-test32805.0922581.07499854034345.6703430312800.9422495.30336615934197.9975744762802.1322485.32494961934219.3786655082800.3722497.61826234934206.104139778OpenBenchmarking.org

CacheBench

Test: Read

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Readcache-testcache-test1cache-test2cache-test36001200180024003000SE +/- 0.62, N = 3SE +/- 1.19, N = 3SE +/- 0.41, N = 3SE +/- 0.59, N = 32805.092800.942802.132800.37MIN: 2770.82 / MAX: 2816.01MIN: 2776.9 / MAX: 2812.35MIN: 2790.16 / MAX: 2814.46MIN: 2748.65 / MAX: 2816.071. (CC) gcc options: -lrt

CacheBench

Test: Write

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Writecache-testcache-test1cache-test2cache-test35K10K15K20K25KSE +/- 6.64, N = 3SE +/- 7.16, N = 3SE +/- 13.94, N = 3SE +/- 10.90, N = 322581.0722495.3022485.3222497.62MIN: 19411.03 / MAX: 24493.45MIN: 19217.88 / MAX: 24401.1MIN: 19225.34 / MAX: 24481.85MIN: 19124.02 / MAX: 24444.931. (CC) gcc options: -lrt

CacheBench

Test: Read / Modify / Write

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Read / Modify / Writecache-testcache-test1cache-test2cache-test37K14K21K28K35KSE +/- 16.94, N = 3SE +/- 16.47, N = 3SE +/- 2.73, N = 3SE +/- 22.67, N = 334345.6734198.0034219.3834206.10MIN: 29468.51 / MAX: 36440.78MIN: 29445.03 / MAX: 36391.53MIN: 29661 / MAX: 36435.23MIN: 29490.88 / MAX: 36345.221. (CC) gcc options: -lrt

Phoronix Test Suite v10.8.4