cache

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

HTML result view exported from: https://openbenchmarking.org/result/2011224-FI-CACHE230480.

cacheProcessorMotherboardMemoryDiskOSKernelCompilerFile-SystemSystem Layercache-testcache-test1cache-test2cache-test3cache-test4cache-test5cache-test6cache-test7cache-test8cache-test9Intel 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-test3cache-test4cache-test5cache-test6cache-test7cache-test8cache-test92805.0922581.07499854034345.6703430312800.9422495.30336615934197.9975744762802.1322485.32494961934219.3786655082800.3722497.61826234934206.1041397782800.9322495.91163071434187.5975639052800.3622503.05474139734187.2283611432800.3522509.09419968234190.7280148572801.1922494.56402555534205.5091255872801.7422515.00838387334219.1663066992799.9522492.29872633334202.713271572OpenBenchmarking.org

CacheBench

Test: Read

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Readcache-testcache-test1cache-test2cache-test3cache-test4cache-test5cache-test6cache-test7cache-test8cache-test96001200180024003000SE +/- 0.62, N = 3SE +/- 1.19, N = 3SE +/- 0.41, N = 3SE +/- 0.59, N = 3SE +/- 0.62, N = 3SE +/- 1.72, N = 3SE +/- 1.71, N = 3SE +/- 0.02, N = 3SE +/- 0.34, N = 3SE +/- 0.77, N = 32805.092800.942802.132800.372800.932800.362800.352801.192801.742799.95MIN: 2770.82 / MAX: 2816.01MIN: 2776.9 / MAX: 2812.35MIN: 2790.16 / MAX: 2814.46MIN: 2748.65 / MAX: 2816.07MIN: 2785.44 / MAX: 2811.13MIN: 2771.02 / MAX: 2817.79MIN: 2777.92 / MAX: 2818.08MIN: 2778.13 / MAX: 2812.21MIN: 2779.11 / MAX: 2811.55MIN: 2748.56 / MAX: 2813.271. (CC) gcc options: -lrt

CacheBench

Test: Write

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Writecache-testcache-test1cache-test2cache-test3cache-test4cache-test5cache-test6cache-test7cache-test8cache-test95K10K15K20K25KSE +/- 6.64, N = 3SE +/- 7.16, N = 3SE +/- 13.94, N = 3SE +/- 10.90, N = 3SE +/- 8.99, N = 3SE +/- 7.51, N = 3SE +/- 8.96, N = 3SE +/- 3.13, N = 3SE +/- 3.12, N = 3SE +/- 7.04, N = 322581.0722495.3022485.3222497.6222495.9122503.0522509.0922494.5622515.0122492.30MIN: 19411.03 / MAX: 24493.45MIN: 19217.88 / MAX: 24401.1MIN: 19225.34 / MAX: 24481.85MIN: 19124.02 / MAX: 24444.93MIN: 19049.56 / MAX: 24411.09MIN: 19187.94 / MAX: 24438.72MIN: 19143.27 / MAX: 24461.43MIN: 19315.99 / MAX: 24430.88MIN: 19201.62 / MAX: 24433.16MIN: 19321.6 / MAX: 24456.851. (CC) gcc options: -lrt

CacheBench

Test: Read / Modify / Write

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Read / Modify / Writecache-testcache-test1cache-test2cache-test3cache-test4cache-test5cache-test6cache-test7cache-test8cache-test97K14K21K28K35KSE +/- 16.94, N = 3SE +/- 16.47, N = 3SE +/- 2.73, N = 3SE +/- 22.67, N = 3SE +/- 2.84, N = 3SE +/- 19.77, N = 3SE +/- 17.46, N = 3SE +/- 15.19, N = 3SE +/- 14.85, N = 3SE +/- 22.34, N = 334345.6734198.0034219.3834206.1034187.6034187.2334190.7334205.5134219.1734202.71MIN: 29468.51 / MAX: 36440.78MIN: 29445.03 / MAX: 36391.53MIN: 29661 / MAX: 36435.23MIN: 29490.88 / MAX: 36345.22MIN: 29488.03 / MAX: 36369.36MIN: 29017.14 / MAX: 36444.24MIN: 29511.41 / MAX: 36314.43MIN: 29258.47 / MAX: 36349.81MIN: 29422.88 / MAX: 36247.21MIN: 29368.74 / MAX: 36297.311. (CC) gcc options: -lrt

Phoronix Test Suite v10.8.4