POWER9 L1d Flushing Test

Tests for a future article.

HTML result view exported from: https://openbenchmarking.org/result/2011286-HA-POWER9L1D51&grs&rdt.

POWER9 L1d Flushing TestProcessorMotherboardMemoryDiskGraphicsMonitorNetworkOSKernelCompilerFile-SystemScreen ResolutionPre-MitigationMitigatedPOWER9 @ 3.80GHz (44 Cores / 176 Threads)PowerNV T2P9D01 REV 1.0164GB500GB Samsung SSD 860ASPEEDVE2282 x Broadcom NetXtreme BCM5719 PCIeUbuntu 20.105.9.8-050908-generic (ppc64le)GCC 10.2.0ext41920x10805.9.10-050910-generic (ppc64le)1024x768OpenBenchmarking.orgCompiler Details- --build=powerpc64le-linux-gnu --disable-multilib --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-10-xyKMTo/gcc-10-10.2.0/debian/tmp-nvptx/usr --enable-plugin --enable-secureplt --enable-shared --enable-targets=powerpcle-linux --enable-threads=posix --host=powerpc64le-linux-gnu --program-prefix=powerpc64le-linux-gnu- --target=powerpc64le-linux-gnu --with-cpu=power8 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-long-double-128 --with-target-system-zlib=auto --without-cuda-driver -v Disk Details- MQ-DEADLINE / relatime,rw / Block Size: 4096Processor Details- SMT (threads per core): 4Python Details- Python 3.8.6Security Details- itlb_multihit: Not affected + l1tf: Mitigation of RFI Flush L1D private per thread + mds: Not affected + meltdown: Mitigation of RFI Flush L1D private per thread + spec_store_bypass: Mitigation of Kernel entry/exit barrier (eieio) + spectre_v1: Mitigation of __user pointer sanitization ori31 speculation barrier enabled + spectre_v2: Mitigation of Indirect branch cache disabled Software link stack flush + srbds: Not affected + tsx_async_abort: Not affected

POWER9 L1d Flushing Testmysqlslap: 32pgbench: 1 - 1 - Read Writepgbench: 1 - 1 - Read Write - Average Latencyredis: LPOPpgbench: 1 - 50 - Read Writepgbench: 1 - 50 - Read Write - Average Latencymysqlslap: 1redis: GETleveldb: Seek Randleveldb: Hot Readleveldb: Rand Readfio: Seq Write - Linux AIO - Yes - No - 4KB - Default Test Directoryfio: Seq Write - Linux AIO - Yes - No - 4KB - Default Test Directoryfio: Rand Write - Linux AIO - Yes - No - 4KB - Default Test Directoryfio: Rand Write - Linux AIO - Yes - No - 4KB - Default Test Directoryleveldb: Rand Deletesqlite: 1pgbench: 100 - 50 - Read Onlystress-ng: System V Message Passingstress-ng: Mallocleveldb: Overwritepgbench: 100 - 50 - Read Only - Average Latencyleveldb: Rand Fillleveldb: Seq Fillleveldb: Overwriteleveldb: Rand Fillleveldb: Seq Fillstress-ng: SENDFILEstress-ng: Socket Activitysqlite-speedtest: Timed Time - Size 1,000redis: SETpyperformance: pathlibredis: SADDpgbench: 1 - 50 - Read Only - Average Latencycompress-zstd: 3leveldb: Fill Syncstress-ng: MEMFDredis: LPUSHpostmark: Disk Transaction Performanceespeak: Text-To-Speech Synthesiscompress-lz4: 3 - Decompression Speedpgbench: 100 - 1 - Read Only - Average Latencyfio: Seq Read - Linux AIO - Yes - No - 4KB - Default Test Directorystress-ng: Semaphoresbasis: UASTC Level 3sqlite: 8pgbench: 1 - 50 - Read Onlybrl-cad: VGR Performance Metricpyperformance: python_startuppgbench: 100 - 1 - Read Onlyfio: Rand Write - Linux AIO - Yes - No - 2MB - Default Test Directoryfio: Seq Write - Linux AIO - Yes - No - 2MB - Default Test Directoryfio: Rand Write - Linux AIO - Yes - No - 2MB - Default Test Directorycompress-lz4: 9 - Decompression Speedaircrack-ng: rav1e: 5rav1e: 10pgbench: 1 - 1 - Read Onlyx265: Bosphorus 1080pbuild-linux-kernel: Time To Compilefio: Seq Read - Linux AIO - Yes - No - 2MB - Default Test Directoryfio: Seq Read - Linux AIO - Yes - No - 2MB - Default Test Directoryaom-av1: Speed 6 Realtimefio: Seq Read - Linux AIO - Yes - No - 4KB - Default Test Directorypybench: Total For Average Test Timesfio: Rand Read - Linux AIO - Yes - No - 4KB - Default Test Directorycompress-lz4: 3 - Compression Speedaom-av1: Speed 8 Realtimefio: Rand Read - Linux AIO - Yes - No - 4KB - Default Test Directoryx265: Bosphorus 4Kpyperformance: json_loadscompress-lz4: 9 - Compression Speedphpbench: PHP Benchmark Suitebasis: UASTC Level 2 + RDO Post-Processingbuild-php: Time To Compilebuild-apache: Time To Compilehpcg: build-ffmpeg: Time To Compilepyperformance: regex_compilepgbench: 1 - 1 - Read Only - Average Latencyrav1e: 6aom-av1: Speed 6 Two-Passfio: Seq Write - Linux AIO - Yes - No - 2MB - Default Test Directoryfio: Rand Read - Linux AIO - Yes - No - 2MB - Default Test Directoryfio: Rand Read - Linux AIO - Yes - No - 2MB - Default Test Directoryleveldb: Fill Syncstress-ng: Context Switchingstress-ng: MMAPpgbench: 100 - 50 - Read Write - Average Latencypgbench: 100 - 50 - Read Writepgbench: 100 - 1 - Read Write - Average Latencypgbench: 100 - 1 - Read Writemysqlslap: 16compress-xz: Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9stockfish: Total Timex264: H.264 Video Encodingcompress-zstd: 19lammps: Rhodopsin ProteinPre-MitigationMitigated3943902.566952238.65456109.812662874952.691356.119743.074739.92822056367221566331452.84970.5164183215334751.36581381065.3612.20.1201599.9701588.9251599.64612.112.25018227.0125990.32166.970575378.7250.8679430.060.1084116.112320.5141356.57506774.55295353.5639334.90.0778436711423226.9426.466152.22446637999472714.8129121713463499260.353456.6730.180.4041444112.7966.7142264602.3232936071333339.645.1052.16.1864.938.071688091078.25186.34444.81919.226555.1624530.0690.2090.25169851771.66309634.201563.0414.90033744.42226138927.9913092530453.8072.614.5841832054.878526750.19291171.985758793016.441489.860812.014806.67023860867207531001513.43973.2744034755528325.64602224949.0711.80.1241651.0471639.3811643.89511.811.94900858.5525410.21170.650587740.5451.8692593.400.1064192.712097.6091334.54515107.17290754.4099197.90.0788336711328719.2026.686151.083469758100174414.9128351703443479208.253757.0910.1790.4021437212.7367.0212274622.3332835981330039.725.1152.06.1765.038.041686861078.85886.31344.80319.223355.1694530.0690.2090.25169851771.65829060.201886.6113.81536305.77417643727.7803137255151.7172.514.200OpenBenchmarking.org

MariaDB

Clients: 32

OpenBenchmarking.orgQueries Per Second, More Is BetterMariaDB 10.5.2Clients: 32Pre-MitigationMitigated90180270360450SE +/- 4.26, N = 3SE +/- 0.35, N = 33941831. (CXX) g++ options: -fPIC -pie -fstack-protector -O2 -shared -lpthread -lrt -lz -ldl -lm -lstdc++

PostgreSQL pgbench

Scaling Factor: 1 - Clients: 1 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 13.0Scaling Factor: 1 - Clients: 1 - Mode: Read WritePre-MitigationMitigated80160240320400SE +/- 1.32, N = 3SE +/- 1.89, N = 103902051. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

PostgreSQL pgbench

Scaling Factor: 1 - Clients: 1 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL pgbench 13.0Scaling Factor: 1 - Clients: 1 - Mode: Read Write - Average LatencyPre-MitigationMitigated1.09762.19523.29284.39045.488SE +/- 0.009, N = 3SE +/- 0.044, N = 102.5664.8781. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

Redis

Test: LPOP

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 6.0.9Test: LPOPPre-MitigationMitigated200K400K600K800K1000KSE +/- 13383.23, N = 3SE +/- 887.28, N = 3952238.65526750.191. (CXX) g++ options: -MM -MT -g3 -fvisibility=hidden -O3

PostgreSQL pgbench

Scaling Factor: 1 - Clients: 50 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 13.0Scaling Factor: 1 - Clients: 50 - Mode: Read WritePre-MitigationMitigated100200300400500SE +/- 2.02, N = 3SE +/- 3.99, N = 34562911. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

PostgreSQL pgbench

Scaling Factor: 1 - Clients: 50 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL pgbench 13.0Scaling Factor: 1 - Clients: 50 - Mode: Read Write - Average LatencyPre-MitigationMitigated4080120160200SE +/- 0.48, N = 3SE +/- 2.39, N = 3109.81171.991. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

MariaDB

Clients: 1

OpenBenchmarking.orgQueries Per Second, More Is BetterMariaDB 10.5.2Clients: 1Pre-MitigationMitigated160320480640800SE +/- 3.52, N = 3SE +/- 4.98, N = 36627581. (CXX) g++ options: -fPIC -pie -fstack-protector -O2 -shared -lpthread -lrt -lz -ldl -lm -lstdc++

Redis

Test: GET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 6.0.9Test: GETPre-MitigationMitigated200K400K600K800K1000KSE +/- 13825.12, N = 3SE +/- 10185.69, N = 3874952.69793016.441. (CXX) g++ options: -MM -MT -g3 -fvisibility=hidden -O3

LevelDB

Benchmark: Seek Random

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Seek RandomPre-MitigationMitigated30060090012001500SE +/- 6.94, N = 3SE +/- 11.67, N = 31356.121489.861. (CXX) g++ options: -O3 -lsnappy -lpthread

LevelDB

Benchmark: Hot Read

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Hot ReadPre-MitigationMitigated2004006008001000SE +/- 9.06, N = 6SE +/- 9.17, N = 3743.07812.011. (CXX) g++ options: -O3 -lsnappy -lpthread

LevelDB

Benchmark: Random Read

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random ReadPre-MitigationMitigated2004006008001000SE +/- 9.57, N = 5SE +/- 8.85, N = 3739.93806.671. (CXX) g++ options: -O3 -lsnappy -lpthread

Flexible IO Tester

Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryPre-MitigationMitigated50100150200250SE +/- 1.20, N = 32202381. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

Flexible IO Tester

Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryPre-MitigationMitigated13K26K39K52K65KSE +/- 33.33, N = 3SE +/- 233.33, N = 356367608671. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

Flexible IO Tester

Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryPre-MitigationMitigated50100150200250SE +/- 1.00, N = 3SE +/- 2.87, N = 42212071. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

Flexible IO Tester

Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryPre-MitigationMitigated12K24K36K48K60KSE +/- 218.58, N = 3SE +/- 729.15, N = 456633531001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

LevelDB

Benchmark: Random Delete

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random DeletePre-MitigationMitigated30060090012001500SE +/- 1.42, N = 3SE +/- 3.49, N = 31452.851513.441. (CXX) g++ options: -O3 -lsnappy -lpthread

SQLite

Threads / Copies: 1

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.30.1Threads / Copies: 1Pre-MitigationMitigated1632486480SE +/- 0.73, N = 3SE +/- 0.80, N = 770.5273.271. (CC) gcc options: -O2 -lz -lm -ldl -lpthread

PostgreSQL pgbench

Scaling Factor: 100 - Clients: 50 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 13.0Scaling Factor: 100 - Clients: 50 - Mode: Read OnlyPre-MitigationMitigated90K180K270K360K450KSE +/- 1071.22, N = 3SE +/- 6765.89, N = 34183214034751. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

Stress-NG

Test: System V Message Passing

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.11.07Test: System V Message PassingPre-MitigationMitigated1.2M2.4M3.6M4.8M6MSE +/- 53649.40, N = 3SE +/- 63172.66, N = 35334751.365528325.641. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lcrypt -lrt -lz -ldl -lpthread -lc

Stress-NG

Test: Malloc

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.11.07Test: MallocPre-MitigationMitigated130M260M390M520M650MSE +/- 7958139.38, N = 15SE +/- 4046544.63, N = 3581381065.36602224949.071. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lcrypt -lrt -lz -ldl -lpthread -lc

LevelDB

Benchmark: Overwrite

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: OverwritePre-MitigationMitigated3691215SE +/- 0.03, N = 3SE +/- 0.03, N = 312.211.81. (CXX) g++ options: -O3 -lsnappy -lpthread

PostgreSQL pgbench

Scaling Factor: 100 - Clients: 50 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL pgbench 13.0Scaling Factor: 100 - Clients: 50 - Mode: Read Only - Average LatencyPre-MitigationMitigated0.02790.05580.08370.11160.1395SE +/- 0.000, N = 3SE +/- 0.002, N = 30.1200.1241. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

LevelDB

Benchmark: Random Fill

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random FillPre-MitigationMitigated400800120016002000SE +/- 2.50, N = 3SE +/- 6.05, N = 31599.971651.051. (CXX) g++ options: -O3 -lsnappy -lpthread

LevelDB

Benchmark: Sequential Fill

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Sequential FillPre-MitigationMitigated400800120016002000SE +/- 1.37, N = 3SE +/- 2.33, N = 31588.931639.381. (CXX) g++ options: -O3 -lsnappy -lpthread

LevelDB

Benchmark: Overwrite

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: OverwritePre-MitigationMitigated400800120016002000SE +/- 2.07, N = 3SE +/- 6.63, N = 31599.651643.901. (CXX) g++ options: -O3 -lsnappy -lpthread

LevelDB

Benchmark: Random Fill

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Random FillPre-MitigationMitigated3691215SE +/- 0.03, N = 3SE +/- 0.06, N = 312.111.81. (CXX) g++ options: -O3 -lsnappy -lpthread

LevelDB

Benchmark: Sequential Fill

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Sequential FillPre-MitigationMitigated3691215SE +/- 0.03, N = 3SE +/- 0.03, N = 312.211.91. (CXX) g++ options: -O3 -lsnappy -lpthread

Stress-NG

Test: SENDFILE

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.11.07Test: SENDFILEPre-MitigationMitigated1.1M2.2M3.3M4.4M5.5MSE +/- 63648.77, N = 3SE +/- 29464.43, N = 35018227.014900858.551. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lcrypt -lrt -lz -ldl -lpthread -lc

Stress-NG

Test: Socket Activity

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.11.07Test: Socket ActivityPre-MitigationMitigated6K12K18K24K30KSE +/- 108.97, N = 3SE +/- 161.49, N = 325990.3225410.211. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lcrypt -lrt -lz -ldl -lpthread -lc

SQLite Speedtest

Timed Time - Size 1,000

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite Speedtest 3.30Timed Time - Size 1,000Pre-MitigationMitigated4080120160200SE +/- 0.17, N = 3SE +/- 0.07, N = 3166.97170.651. (CC) gcc options: -O2 -ldl -lz -lpthread

Redis

Test: SET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 6.0.9Test: SETPre-MitigationMitigated130K260K390K520K650KSE +/- 4818.16, N = 15SE +/- 5600.77, N = 3575378.72587740.541. (CXX) g++ options: -MM -MT -g3 -fvisibility=hidden -O3

PyPerformance

Benchmark: pathlib

OpenBenchmarking.orgMilliseconds, Fewer Is BetterPyPerformance 1.0.0Benchmark: pathlibPre-MitigationMitigated1224364860SE +/- 0.00, N = 3SE +/- 0.09, N = 350.851.8

Redis

Test: SADD

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 6.0.9Test: SADDPre-MitigationMitigated150K300K450K600K750KSE +/- 1801.54, N = 3SE +/- 6875.01, N = 9679430.06692593.401. (CXX) g++ options: -MM -MT -g3 -fvisibility=hidden -O3

PostgreSQL pgbench

Scaling Factor: 1 - Clients: 50 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL pgbench 13.0Scaling Factor: 1 - Clients: 50 - Mode: Read Only - Average LatencyPre-MitigationMitigated0.02430.04860.07290.09720.1215SE +/- 0.000, N = 3SE +/- 0.001, N = 30.1080.1061. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

Zstd Compression

Compression Level: 3

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.4.5Compression Level: 3Pre-MitigationMitigated9001800270036004500SE +/- 64.71, N = 3SE +/- 71.46, N = 34116.14192.71. (CC) gcc options: -O3 -pthread -lz

LevelDB

Benchmark: Fill Sync

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Fill SyncPre-MitigationMitigated3K6K9K12K15KSE +/- 63.20, N = 3SE +/- 139.77, N = 512320.5112097.611. (CXX) g++ options: -O3 -lsnappy -lpthread

Stress-NG

Test: MEMFD

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.11.07Test: MEMFDPre-MitigationMitigated30060090012001500SE +/- 1.06, N = 3SE +/- 2.48, N = 31356.571334.541. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lcrypt -lrt -lz -ldl -lpthread -lc

Redis

Test: LPUSH

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 6.0.9Test: LPUSHPre-MitigationMitigated110K220K330K440K550KSE +/- 4513.87, N = 11SE +/- 1933.60, N = 3506774.55515107.171. (CXX) g++ options: -MM -MT -g3 -fvisibility=hidden -O3

PostMark

Disk Transaction Performance

OpenBenchmarking.orgTPS, More Is BetterPostMark 1.51Disk Transaction PerformancePre-MitigationMitigated6001200180024003000SE +/- 11.67, N = 3SE +/- 19.63, N = 3295329071. (CC) gcc options: -O3

eSpeak-NG Speech Engine

Text-To-Speech Synthesis

OpenBenchmarking.orgSeconds, Fewer Is BettereSpeak-NG Speech Engine 20200907Text-To-Speech SynthesisPre-MitigationMitigated1224364860SE +/- 0.29, N = 4SE +/- 0.38, N = 453.5654.411. (CC) gcc options: -O2 -std=c99

LZ4 Compression

Compression Level: 3 - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 3 - Decompression SpeedPre-MitigationMitigated2K4K6K8K10KSE +/- 3.27, N = 3SE +/- 5.19, N = 39334.99197.91. (CC) gcc options: -O3

PostgreSQL pgbench

Scaling Factor: 100 - Clients: 1 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL pgbench 13.0Scaling Factor: 100 - Clients: 1 - Mode: Read Only - Average LatencyPre-MitigationMitigated0.01760.03520.05280.07040.088SE +/- 0.000, N = 3SE +/- 0.000, N = 30.0770.0781. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

Flexible IO Tester

Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryPre-MitigationMitigated20K40K60K80K100KSE +/- 120.19, N = 3SE +/- 366.67, N = 384367833671. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

Stress-NG

Test: Semaphores

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.11.07Test: SemaphoresPre-MitigationMitigated2M4M6M8M10MSE +/- 21960.10, N = 3SE +/- 80645.91, N = 311423226.9411328719.201. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lcrypt -lrt -lz -ldl -lpthread -lc

Basis Universal

Settings: UASTC Level 3

OpenBenchmarking.orgSeconds, Fewer Is BetterBasis Universal 1.12Settings: UASTC Level 3Pre-MitigationMitigated612182430SE +/- 0.05, N = 3SE +/- 0.06, N = 326.4726.691. (CXX) g++ options: -std=c++11 -fvisibility=hidden -fPIC -fno-strict-aliasing -O3 -rdynamic -lm -lpthread

SQLite

Threads / Copies: 8

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.30.1Threads / Copies: 8Pre-MitigationMitigated306090120150SE +/- 1.03, N = 3SE +/- 0.25, N = 3152.22151.081. (CC) gcc options: -O2 -lz -lm -ldl -lpthread

PostgreSQL pgbench

Scaling Factor: 1 - Clients: 50 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 13.0Scaling Factor: 1 - Clients: 50 - Mode: Read OnlyPre-MitigationMitigated100K200K300K400K500KSE +/- 1630.51, N = 3SE +/- 3200.75, N = 34663794697581. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

BRL-CAD

VGR Performance Metric

OpenBenchmarking.orgVGR Performance Metric, More Is BetterBRL-CAD 7.30.8VGR Performance MetricPre-MitigationMitigated200K400K600K800K1000K99472710017441. (CXX) g++ options: -std=c++11 -pipe -fno-strict-aliasing -fno-common -fexceptions -ftemplate-depth-128 -m64 -ggdb3 -O3 -fipa-pta -fstrength-reduce -finline-functions -flto -pedantic -rdynamic -lpthread -ldl -lm

PyPerformance

Benchmark: python_startup

OpenBenchmarking.orgMilliseconds, Fewer Is BetterPyPerformance 1.0.0Benchmark: python_startupPre-MitigationMitigated48121620SE +/- 0.03, N = 3SE +/- 0.03, N = 314.814.9

PostgreSQL pgbench

Scaling Factor: 100 - Clients: 1 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 13.0Scaling Factor: 100 - Clients: 1 - Mode: Read OnlyPre-MitigationMitigated3K6K9K12K15KSE +/- 16.10, N = 3SE +/- 8.91, N = 312912128351. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

Flexible IO Tester

Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryPre-MitigationMitigated40801201602001711701. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

Flexible IO Tester

Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryPre-MitigationMitigated80160240320400SE +/- 1.15, N = 33463441. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

Flexible IO Tester

Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryPre-MitigationMitigated80160240320400SE +/- 0.58, N = 33493471. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

LZ4 Compression

Compression Level: 9 - Decompression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 9 - Decompression SpeedPre-MitigationMitigated2K4K6K8K10KSE +/- 3.37, N = 3SE +/- 3.30, N = 39260.39208.21. (CC) gcc options: -O3

Aircrack-ng

OpenBenchmarking.orgk/s, More Is BetterAircrack-ng 1.5.2Pre-MitigationMitigated12K24K36K48K60KSE +/- 19.77, N = 3SE +/- 8.99, N = 353456.6753757.091. (CXX) g++ options: -O3 -fvisibility=hidden -fcommon -rdynamic -lpthread -lz -lcrypto -lhwloc -ldl -lm -pthread

rav1e

Speed: 5

OpenBenchmarking.orgFrames Per Second, More Is Betterrav1e 0.4 AlphaSpeed: 5Pre-MitigationMitigated0.04050.0810.12150.1620.2025SE +/- 0.000, N = 3SE +/- 0.000, N = 30.1800.179

rav1e

Speed: 10

OpenBenchmarking.orgFrames Per Second, More Is Betterrav1e 0.4 AlphaSpeed: 10Pre-MitigationMitigated0.09090.18180.27270.36360.4545SE +/- 0.000, N = 3SE +/- 0.001, N = 30.4040.402

PostgreSQL pgbench

Scaling Factor: 1 - Clients: 1 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 13.0Scaling Factor: 1 - Clients: 1 - Mode: Read OnlyPre-MitigationMitigated3K6K9K12K15KSE +/- 35.51, N = 3SE +/- 82.68, N = 314441143721. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

x265

Video Input: Bosphorus 1080p

OpenBenchmarking.orgFrames Per Second, More Is Betterx265 3.4Video Input: Bosphorus 1080pPre-MitigationMitigated3691215SE +/- 0.13, N = 3SE +/- 0.12, N = 312.7912.731. (CXX) g++ options: -O3 -rdynamic -lpthread -lrt -ldl -lnuma

Timed Linux Kernel Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 5.4Time To CompilePre-MitigationMitigated1530456075SE +/- 0.92, N = 3SE +/- 0.83, N = 366.7167.02

Flexible IO Tester

Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryPre-MitigationMitigated50100150200250SE +/- 1.20, N = 3SE +/- 0.58, N = 32262271. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

Flexible IO Tester

Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryPre-MitigationMitigated100200300400500SE +/- 2.33, N = 3SE +/- 1.20, N = 34604621. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

AOM AV1

Encoder Mode: Speed 6 Realtime

OpenBenchmarking.orgFrames Per Second, More Is BetterAOM AV1 2.0Encoder Mode: Speed 6 RealtimePre-MitigationMitigated0.52431.04861.57292.09722.6215SE +/- 0.01, N = 3SE +/- 0.00, N = 32.322.331. (CXX) g++ options: -O3 -std=c++11 -U_FORTIFY_SOURCE -lm -lpthread

Flexible IO Tester

Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryPre-MitigationMitigated701402102803503293281. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

PyBench

Total For Average Test Times

OpenBenchmarking.orgMilliseconds, Fewer Is BetterPyBench 2018-02-16Total For Average Test TimesPre-MitigationMitigated8001600240032004000SE +/- 8.29, N = 3SE +/- 2.91, N = 336073598

Flexible IO Tester

Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryPre-MitigationMitigated3K6K9K12K15KSE +/- 33.33, N = 3SE +/- 57.74, N = 313333133001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

LZ4 Compression

Compression Level: 3 - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 3 - Compression SpeedPre-MitigationMitigated918273645SE +/- 0.03, N = 3SE +/- 0.00, N = 339.6439.721. (CC) gcc options: -O3

AOM AV1

Encoder Mode: Speed 8 Realtime

OpenBenchmarking.orgFrames Per Second, More Is BetterAOM AV1 2.0Encoder Mode: Speed 8 RealtimePre-MitigationMitigated1.14982.29963.44944.59925.749SE +/- 0.01, N = 3SE +/- 0.01, N = 35.105.111. (CXX) g++ options: -O3 -std=c++11 -U_FORTIFY_SOURCE -lm -lpthread

Flexible IO Tester

Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryPre-MitigationMitigated1224364860SE +/- 0.10, N = 3SE +/- 0.18, N = 352.152.01. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

x265

Video Input: Bosphorus 4K

OpenBenchmarking.orgFrames Per Second, More Is Betterx265 3.4Video Input: Bosphorus 4KPre-MitigationMitigated246810SE +/- 0.02, N = 3SE +/- 0.02, N = 36.186.171. (CXX) g++ options: -O3 -rdynamic -lpthread -lrt -ldl -lnuma

PyPerformance

Benchmark: json_loads

OpenBenchmarking.orgMilliseconds, Fewer Is BetterPyPerformance 1.0.0Benchmark: json_loadsPre-MitigationMitigated1530456075SE +/- 0.03, N = 3SE +/- 0.09, N = 364.965.0

LZ4 Compression

Compression Level: 9 - Compression Speed

OpenBenchmarking.orgMB/s, More Is BetterLZ4 Compression 1.9.3Compression Level: 9 - Compression SpeedPre-MitigationMitigated918273645SE +/- 0.02, N = 3SE +/- 0.07, N = 338.0738.041. (CC) gcc options: -O3

PHPBench

PHP Benchmark Suite

OpenBenchmarking.orgScore, More Is BetterPHPBench 0.8.1PHP Benchmark SuitePre-MitigationMitigated40K80K120K160K200KSE +/- 34.64, N = 3SE +/- 152.15, N = 3168809168686

Basis Universal

Settings: UASTC Level 2 + RDO Post-Processing

OpenBenchmarking.orgSeconds, Fewer Is BetterBasis Universal 1.12Settings: UASTC Level 2 + RDO Post-ProcessingPre-MitigationMitigated2004006008001000SE +/- 0.53, N = 3SE +/- 0.64, N = 31078.251078.861. (CXX) g++ options: -std=c++11 -fvisibility=hidden -fPIC -fno-strict-aliasing -O3 -rdynamic -lm -lpthread

Timed PHP Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 7.4.2Time To CompilePre-MitigationMitigated20406080100SE +/- 0.14, N = 3SE +/- 0.06, N = 386.3486.31

Timed Apache Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.41Time To CompilePre-MitigationMitigated1020304050SE +/- 0.05, N = 3SE +/- 0.06, N = 344.8244.80

High Performance Conjugate Gradient

OpenBenchmarking.orgGFLOP/s, More Is BetterHigh Performance Conjugate Gradient 3.1Pre-MitigationMitigated510152025SE +/- 0.05, N = 3SE +/- 0.03, N = 319.2319.221. (CXX) g++ options: -O3 -ffast-math -ftree-vectorize -pthread -lmpi_cxx -lmpi

Timed FFmpeg Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed FFmpeg Compilation 4.2.2Time To CompilePre-MitigationMitigated1224364860SE +/- 0.09, N = 3SE +/- 0.12, N = 355.1655.17

PyPerformance

Benchmark: regex_compile

OpenBenchmarking.orgMilliseconds, Fewer Is BetterPyPerformance 1.0.0Benchmark: regex_compilePre-MitigationMitigated100200300400500SE +/- 0.67, N = 3453453

PostgreSQL pgbench

Scaling Factor: 1 - Clients: 1 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL pgbench 13.0Scaling Factor: 1 - Clients: 1 - Mode: Read Only - Average LatencyPre-MitigationMitigated0.01550.0310.04650.0620.0775SE +/- 0.000, N = 3SE +/- 0.000, N = 30.0690.0691. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

rav1e

Speed: 6

OpenBenchmarking.orgFrames Per Second, More Is Betterrav1e 0.4 AlphaSpeed: 6Pre-MitigationMitigated0.0470.0940.1410.1880.235SE +/- 0.000, N = 3SE +/- 0.000, N = 30.2090.209

AOM AV1

Encoder Mode: Speed 6 Two-Pass

OpenBenchmarking.orgFrames Per Second, More Is BetterAOM AV1 2.0Encoder Mode: Speed 6 Two-PassPre-MitigationMitigated0.05630.11260.16890.22520.2815SE +/- 0.00, N = 3SE +/- 0.00, N = 30.250.251. (CXX) g++ options: -O3 -std=c++11 -U_FORTIFY_SOURCE -lm -lpthread

Flexible IO Tester

Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryPre-MitigationMitigated40801201602001691691. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

Flexible IO Tester

Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryPre-MitigationMitigated20406080100SE +/- 0.58, N = 3SE +/- 0.33, N = 385851. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

Flexible IO Tester

Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryPre-MitigationMitigated4080120160200SE +/- 1.20, N = 3SE +/- 0.33, N = 31771771. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -ll -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

LevelDB

Benchmark: Fill Sync

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Fill SyncPre-MitigationMitigated0.360.721.081.441.8SE +/- 0.00, N = 3SE +/- 0.02, N = 51.61.61. (CXX) g++ options: -O3 -lsnappy -lpthread

Stress-NG

Test: Context Switching

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.11.07Test: Context SwitchingPre-MitigationMitigated1.4M2.8M4.2M5.6M7MSE +/- 606944.71, N = 12SE +/- 481416.29, N = 156309634.205829060.201. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lcrypt -lrt -lz -ldl -lpthread -lc

Stress-NG

Test: MMAP

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.11.07Test: MMAPPre-MitigationMitigated400800120016002000SE +/- 41.41, N = 15SE +/- 27.96, N = 31563.041886.611. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lcrypt -lrt -lz -ldl -lpthread -lc

PostgreSQL pgbench

Scaling Factor: 100 - Clients: 50 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL pgbench 13.0Scaling Factor: 100 - Clients: 50 - Mode: Read Write - Average LatencyPre-MitigationMitigated48121620SE +/- 0.29, N = 15SE +/- 0.19, N = 1514.9013.821. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

PostgreSQL pgbench

Scaling Factor: 100 - Clients: 50 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 13.0Scaling Factor: 100 - Clients: 50 - Mode: Read WritePre-MitigationMitigated8001600240032004000SE +/- 63.95, N = 15SE +/- 49.68, N = 15337436301. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

PostgreSQL pgbench

Scaling Factor: 100 - Clients: 1 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL pgbench 13.0Scaling Factor: 100 - Clients: 1 - Mode: Read Write - Average LatencyPre-MitigationMitigated1.29922.59843.89765.19686.496SE +/- 0.488, N = 12SE +/- 0.203, N = 154.4225.7741. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

PostgreSQL pgbench

Scaling Factor: 100 - Clients: 1 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 13.0Scaling Factor: 100 - Clients: 1 - Mode: Read WritePre-MitigationMitigated60120180240300SE +/- 28.81, N = 12SE +/- 5.84, N = 152611761. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm

MariaDB

Clients: 16

OpenBenchmarking.orgQueries Per Second, More Is BetterMariaDB 10.5.2Clients: 16Pre-MitigationMitigated90180270360450SE +/- 5.18, N = 3SE +/- 31.82, N = 73894371. (CXX) g++ options: -fPIC -pie -fstack-protector -O2 -shared -lpthread -lrt -lz -ldl -lm -lstdc++

XZ Compression

Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9

OpenBenchmarking.orgSeconds, Fewer Is BetterXZ Compression 5.2.4Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9Pre-MitigationMitigated714212835SE +/- 0.57, N = 15SE +/- 0.48, N = 1527.9927.781. (CC) gcc options: -pthread -fvisibility=hidden -O2

Stockfish

Total Time

OpenBenchmarking.orgNodes Per Second, More Is BetterStockfish 12Total TimePre-MitigationMitigated7M14M21M28M35MSE +/- 429464.00, N = 3SE +/- 707032.27, N = 1230925304313725511. (CXX) g++ options: -m64 -lpthread -fno-exceptions -std=c++17 -pedantic -O3 -flto -flto=jobserver

x264

H.264 Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2019-12-17H.264 Video EncodingPre-MitigationMitigated1224364860SE +/- 2.21, N = 12SE +/- 1.49, N = 1253.8051.711. (CC) gcc options: -ldl -lm -lpthread -O3 -ffast-math -maltivec -mabi=altivec -mvsx -std=gnu99 -fPIC -fomit-frame-pointer -fno-tree-vectorize

Zstd Compression

Compression Level: 19

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.4.5Compression Level: 19Pre-MitigationMitigated1632486480SE +/- 1.37, N = 15SE +/- 0.92, N = 372.672.51. (CC) gcc options: -O3 -pthread -lz

LAMMPS Molecular Dynamics Simulator

Model: Rhodopsin Protein

OpenBenchmarking.orgns/day, More Is BetterLAMMPS Molecular Dynamics Simulator 29Oct2020Model: Rhodopsin ProteinPre-MitigationMitigated48121620SE +/- 0.24, N = 3SE +/- 0.24, N = 1514.5814.201. (CXX) g++ options: -O3 -pthread -lm

Phoronix Test Suite v10.8.4