cache

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

HTML result view exported from: https://openbenchmarking.org/result/2011223-FI-CACHE300480&grs.

cacheProcessorMotherboardMemoryDiskOSKernelCompilerFile-SystemSystem Layercache-testcache-test1cache-test2cache-test3cache-test4cache-test5cache-test6cache-test7cache-test8Intel 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: Writecachebench: Readcachebench: Read / Modify / Writecache-testcache-test1cache-test2cache-test3cache-test4cache-test5cache-test6cache-test7cache-test822281.7860516352775.1633887.31739090522307.8937305082781.1333880.33238833322292.5447485082781.0733894.52371687322304.9816732382780.6933915.76695987322328.6924174762780.3033907.82548285722339.7916318252784.4734009.04570279422387.3426263492788.5933936.11842461922369.2271337782787.9733946.98465360322407.8562284452786.2234010.248249270OpenBenchmarking.org

CacheBench

Test: Write

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Writecache-testcache-test1cache-test2cache-test3cache-test4cache-test5cache-test6cache-test7cache-test85K10K15K20K25KSE +/- 15.75, N = 3SE +/- 9.90, N = 3SE +/- 9.64, N = 3SE +/- 12.99, N = 3SE +/- 11.02, N = 3SE +/- 10.05, N = 3SE +/- 3.69, N = 3SE +/- 10.35, N = 3SE +/- 5.61, N = 322281.7922307.8922292.5422304.9822328.6922339.7922387.3422369.2322407.86MIN: 18923.01 / MAX: 24285.41MIN: 19015.01 / MAX: 24230.82MIN: 19110.98 / MAX: 24164.95MIN: 19020.24 / MAX: 24234.62MIN: 19142.39 / MAX: 24196.83MIN: 19168.72 / MAX: 24290.83MIN: 19189.03 / MAX: 24343MIN: 18960.68 / MAX: 24346.23MIN: 18915.6 / MAX: 24343.771. (CC) gcc options: -lrt

CacheBench

Test: Read

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Readcache-testcache-test1cache-test2cache-test3cache-test4cache-test5cache-test6cache-test7cache-test86001200180024003000SE +/- 2.03, N = 3SE +/- 0.79, N = 3SE +/- 2.07, N = 3SE +/- 2.12, N = 3SE +/- 1.43, N = 3SE +/- 1.83, N = 3SE +/- 1.04, N = 3SE +/- 1.08, N = 3SE +/- 0.60, N = 32775.162781.132781.072780.692780.302784.472788.592787.972786.22MIN: 2701.19 / MAX: 2797.89MIN: 2742.51 / MAX: 2801.93MIN: 2732.91 / MAX: 2798.68MIN: 2742.04 / MAX: 2801.39MIN: 2734.46 / MAX: 2800.24MIN: 2724.28 / MAX: 2804.22MIN: 2754.43 / MAX: 2804.33MIN: 2767.32 / MAX: 2806.27MIN: 2756.78 / MAX: 2801.541. (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-test87K14K21K28K35KSE +/- 30.97, N = 3SE +/- 11.87, N = 3SE +/- 19.12, N = 3SE +/- 37.43, N = 3SE +/- 12.23, N = 3SE +/- 10.48, N = 3SE +/- 6.44, N = 3SE +/- 57.64, N = 3SE +/- 27.08, N = 333887.3233880.3333894.5233915.7733907.8334009.0533936.1233946.9834010.25MIN: 28958.3 / MAX: 36263.4MIN: 29031.85 / MAX: 36272.44MIN: 28441.88 / MAX: 36117.12MIN: 29293.78 / MAX: 36338.29MIN: 28717.77 / MAX: 36389.37MIN: 29377.59 / MAX: 36408.81MIN: 29360.5 / MAX: 36158.49MIN: 27949.7 / MAX: 36450.65MIN: 29073.95 / MAX: 36197.781. (CC) gcc options: -lrt

Phoronix Test Suite v10.8.4