Ubuntu 17.10 Kernel Testing

Intel Core i7-7740K testing with a Gigabyte X299 AORUS Gaming-CF (F2d BIOS) and MSI NVIDIA GP108 2048MB on Ubuntu 17.10 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/1801187-FO-UBUNTU17158&grt&rdt&rro.

ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay DriverCompilerFile-SystemScreen Resolutioni9-7740X 4.13.0-25 KPTI 4.13.0-30 KPTI + IBPB IBRS 4.15-rc8 KPTI + Full RetpoIntel Core i7-7740K @ 4.50GHz (4 Cores / 8 Threads)Gigabyte X299 AORUS Gaming-CF (F2d BIOS)Intel Device 591f2 x 4096 MB DDR4-3000MT/s CMK8GX4M2B3000C15120GB Force MP500MSI NVIDIA GP108Realtek ALC1220Intel ConnectionUbuntu 17.104.13.0-25-generic (x86_64)GNOME Shell 3.26.2modesetting 1.19.5GCC 7.2.0ext4800x6004.13.0-30-generic (x86_64)MSI NVIDIA GP108 2048MB4.15.0-rc8-retpo-underflow (x86_64) 20180115OpenBenchmarking.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++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none --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 --with-tune=generic --without-cuda-driver -v Disk Details- NONE / data=ordered,errors=remount-ro,relatime,rwProcessor Details- Scaling Governor: intel_pstate powersavePython Details- Python 2.7.14 + Python 3.6.3Security Details- i9-7740X: 4.13.0-25 KPTI: KPTI Protection- i9-7740X: 4.13.0-30 KPTI + IBPB IBRS: KPTI Protection- i9-7740X: 4.15-rc8 KPTI + Full Retpo: KPTI + Full retpoline with underflow protection Protection

apache: Static Web Page Servingcompilebench: Compilecompilebench: Initial Createfio: Rand Read - Libaio - No - Yes - 4KB - Default Test Directoryfio: Rand Write - Libaio - No - Yes - 4KB - Default Test Directoryfio: Seq Read - Libaio - No - Yes - 4KB - Default Test Directoryfio: Seq Write - Libaio - No - Yes - 4KB - Default Test Directoryfs-mark: 1000 Files, 1MB Sizefs-mark: 4000 Files, 32 Sub Dirs, 1MB Sizecompress-gzip: 2GB File Compressionhackbench: 4 - Threadhackbench: 8 - Threadhackbench: 16 - Threadhackbench: 4 - Processhackbench: 8 - Processhackbench: 16 - Processcompress-lzma: 256MB File Compressionnginx: Static Web Page Servingpgbench: Buffer Test - Normal Load - Read Onlypgbench: Buffer Test - Normal Load - Read Writepgbench: Buffer Test - Heavy Contention - Read Onlypgbench: Buffer Test - Heavy Contention - Read Writeredis: LPOPredis: SADDredis: LPUSHredis: GETredis: SETsqlite: Default Test Directorystress-ng: Cryptostress-ng: CPU Stressstress-ng: Semaphoresstress-ng: Socket Activitystress-ng: Context Switchingstress-ng: System V Message Passingsystemd-boot-total: Totalsystemd-boot-total: Kernelsystemd-boot-total: Loadersystemd-boot-total: Firmwaresystemd-boot-total: Userspacebuild-gcc: Time To Compilebuild-linux-kernel: Time To Compilei9-7740X 4.13.0-25 KPTI 4.13.0-30 KPTI + IBPB IBRS 4.15-rc8 KPTI + Full Retpo47645.88776.51491.92434.38290.07568.03323.49203.38184.108.4716.3030.7754.1115.6029.4052.08222.2951961.55148212.0710812.62143156.249862.453750326.922872139.752460835.383593103.922528592.4223.461027.642188.786227448.146223.623302358.726620106.713446024603540687021570906.72106.0446270.01742.01496.46363.58343.47533.95288.51216.43202.488.4516.8631.2357.3615.8530.2454.47228.3750610.87148178.2111143.56141452.3010440.182788282.582795918.752364527.333225962.502461680.0027.371025.502186.586230691.846266.173128836.506209989.343436024703490681021570906.85106.7144949.19778.17450.33395.08287.35526.54290.37190.38214.808.4514.1928.5258.2913.7327.8156.21221.9249283.78145343.1010666.01141449.6711704.702744799.172778135.082347728.333209139.672519275.2523.001028.282192.756214651.444033.352980495.068727904.663533033003460683021720902.24107.02OpenBenchmarking.org

Apache Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page Serving4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI10K20K30K40K50KSE +/- 162.20, N = 3SE +/- 163.89, N = 3SE +/- 331.52, N = 344949.1946270.0147645.881. (CC) gcc options: -shared -fPIC -O2 -pthread

Compile Bench

Test: Compile

OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Compile4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI2004006008001000SE +/- 43.08, N = 6SE +/- 25.25, N = 6SE +/- 35.32, N = 6778.17742.01776.51

Compile Bench

Test: Initial Create

OpenBenchmarking.orgMB/s, More Is BetterCompile Bench 0.6Test: Initial Create4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI110220330440550SE +/- 39.21, N = 3SE +/- 54.03, N = 3SE +/- 37.45, N = 3450.33496.46491.92

Flexible IO Tester

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

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI90180270360450SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.34, N = 3395.08363.58434.381. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

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

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI20K40K60K80K100KSE +/- 7.94, N = 3SE +/- 7.22, N = 3SE +/- 86.25, N = 398765908911085921. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

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

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI70140210280350SE +/- 1.14, N = 3SE +/- 30.08, N = 6SE +/- 3.73, N = 3287.35343.47290.071. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

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

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI20K40K60K80K100KSE +/- 285.43, N = 3SE +/- 7519.17, N = 6SE +/- 933.00, N = 37183485863725141. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

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

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI120240360480600SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 3526.54533.95568.031. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

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

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI30K60K90K120K150KSE +/- 5.24, N = 3SE +/- 7.36, N = 3SE +/- 1.76, N = 31316321334841420041. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

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

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI70140210280350SE +/- 0.97, N = 3SE +/- 0.24, N = 3SE +/- 9.55, N = 6290.37288.51323.491. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

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

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI20K40K60K80K100KSE +/- 242.69, N = 3SE +/- 58.92, N = 3SE +/- 2388.65, N = 67258872124808691. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

FS-Mark

Test: 1000 Files, 1MB Size

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 1000 Files, 1MB Size4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI50100150200250SE +/- 15.36, N = 6SE +/- 1.16, N = 3SE +/- 7.45, N = 6190.38216.43203.381. (CC) gcc options: -static

FS-Mark

Test: 4000 Files, 32 Sub Dirs, 1MB Size

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 4000 Files, 32 Sub Dirs, 1MB Size4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI50100150200250SE +/- 14.62, N = 6SE +/- 10.08, N = 6SE +/- 2.80, N = 3214.80202.48184.101. (CC) gcc options: -static

Gzip Compression

2GB File Compression

OpenBenchmarking.orgSeconds, Fewer Is BetterGzip Compression2GB File Compression4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI246810SE +/- 0.06, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 38.458.458.47

Hackbench

Count: 4 - Type: Thread

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 4 - Type: Thread4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI48121620SE +/- 0.01, N = 3SE +/- 0.04, N = 3SE +/- 0.07, N = 314.1916.8616.301. (CC) gcc options: -lpthread

Hackbench

Count: 8 - Type: Thread

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 8 - Type: Thread4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI714212835SE +/- 0.05, N = 3SE +/- 0.43, N = 5SE +/- 0.06, N = 328.5231.2330.771. (CC) gcc options: -lpthread

Hackbench

Count: 16 - Type: Thread

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 16 - Type: Thread4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI1326395265SE +/- 1.01, N = 6SE +/- 0.97, N = 6SE +/- 0.15, N = 358.2957.3654.111. (CC) gcc options: -lpthread

Hackbench

Count: 4 - Type: Process

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 4 - Type: Process4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI48121620SE +/- 0.01, N = 3SE +/- 0.12, N = 3SE +/- 0.26, N = 313.7315.8515.601. (CC) gcc options: -lpthread

Hackbench

Count: 8 - Type: Process

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 8 - Type: Process4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI714212835SE +/- 0.07, N = 3SE +/- 0.18, N = 3SE +/- 0.05, N = 327.8130.2429.401. (CC) gcc options: -lpthread

Hackbench

Count: 16 - Type: Process

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 16 - Type: Process4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI1326395265SE +/- 1.26, N = 6SE +/- 0.10, N = 3SE +/- 0.38, N = 356.2154.4752.081. (CC) gcc options: -lpthread

LZMA Compression

256MB File Compression

OpenBenchmarking.orgSeconds, Fewer Is BetterLZMA Compression256MB File Compression4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI50100150200250SE +/- 0.02, N = 3SE +/- 3.10, N = 3SE +/- 0.93, N = 3221.92228.37222.291. (CXX) g++ options: -O2

NGINX Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterNGINX Benchmark 1.9.9Static Web Page Serving4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI11K22K33K44K55KSE +/- 145.28, N = 3SE +/- 390.81, N = 3SE +/- 172.54, N = 349283.7850610.8751961.551. (CC) gcc options: -lpthread -lcrypt -lz -O3 -march=native

PostgreSQL pgbench

Scaling: Buffer Test - Test: Normal Load - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Normal Load - Mode: Read Only4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI30K60K90K120K150KSE +/- 186.68, N = 3SE +/- 195.81, N = 3SE +/- 240.76, N = 3145343.10148178.21148212.071. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fPIC -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

Scaling: Buffer Test - Test: Normal Load - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Normal Load - Mode: Read Write4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI2K4K6K8K10KSE +/- 451.25, N = 6SE +/- 558.11, N = 6SE +/- 569.00, N = 610666.0111143.5610812.621. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fPIC -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

Scaling: Buffer Test - Test: Heavy Contention - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Heavy Contention - Mode: Read Only4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI30K60K90K120K150KSE +/- 145.24, N = 3SE +/- 1138.99, N = 3SE +/- 260.86, N = 3141449.67141452.30143156.241. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fPIC -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

Scaling: Buffer Test - Test: Heavy Contention - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Heavy Contention - Mode: Read Write4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI3K6K9K12K15KSE +/- 200.56, N = 6SE +/- 197.16, N = 6SE +/- 116.56, N = 311704.7010440.189862.451. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fPIC -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm

Redis

Test: LPOP

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: LPOP4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI800K1600K2400K3200K4000KSE +/- 9076.88, N = 3SE +/- 15785.04, N = 3SE +/- 24719.01, N = 32744799.172788282.583750326.921. (CC) gcc options: -ggdb -rdynamic -lm -pthread

Redis

Test: SADD

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SADD4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI600K1200K1800K2400K3000KSE +/- 22279.36, N = 3SE +/- 5201.75, N = 3SE +/- 43312.25, N = 32778135.082795918.752872139.751. (CC) gcc options: -ggdb -rdynamic -lm -pthread

Redis

Test: LPUSH

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: LPUSH4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI500K1000K1500K2000K2500KSE +/- 19092.96, N = 3SE +/- 23427.81, N = 3SE +/- 43038.50, N = 42347728.332364527.332460835.381. (CC) gcc options: -ggdb -rdynamic -lm -pthread

Redis

Test: GET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: GET4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI800K1600K2400K3200K4000KSE +/- 30692.61, N = 3SE +/- 15830.43, N = 3SE +/- 22849.05, N = 33209139.673225962.503593103.921. (CC) gcc options: -ggdb -rdynamic -lm -pthread

Redis

Test: SET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SET4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI500K1000K1500K2000K2500KSE +/- 21984.96, N = 3SE +/- 28141.89, N = 3SE +/- 38852.58, N = 32519275.252461680.002528592.421. (CC) gcc options: -ggdb -rdynamic -lm -pthread

SQLite

Test Target: Default Test Directory

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.8.10.2Test Target: Default Test Directory4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI612182430SE +/- 2.00, N = 6SE +/- 1.51, N = 6SE +/- 2.63, N = 623.0027.3723.461. (CC) gcc options: -O2 -ldl -lpthread

Stress-NG

Test: Crypto

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Crypto4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI2004006008001000SE +/- 0.18, N = 3SE +/- 1.34, N = 3SE +/- 0.51, N = 31028.281025.501027.641. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: CPU Stress

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: CPU Stress4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI5001000150020002500SE +/- 1.95, N = 3SE +/- 3.32, N = 3SE +/- 6.93, N = 32192.752186.582188.781. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Semaphores

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Semaphores4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI1.3M2.6M3.9M5.2M6.5MSE +/- 29861.32, N = 3SE +/- 30668.04, N = 3SE +/- 8303.51, N = 36214651.446230691.846227448.141. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Socket Activity

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Socket Activity4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI13002600390052006500SE +/- 65.73, N = 4SE +/- 33.20, N = 3SE +/- 21.33, N = 34033.356266.176223.621. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Context Switching

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Context Switching4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI700K1400K2100K2800K3500KSE +/- 14550.03, N = 3SE +/- 54530.18, N = 6SE +/- 9680.02, N = 32980495.063128836.503302358.721. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: System V Message Passing

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: System V Message Passing4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI2M4M6M8M10MSE +/- 149750.92, N = 4SE +/- 382018.21, N = 6SE +/- 277102.63, N = 68727904.666209989.346620106.711. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Systemd Total Boot Time

Test: Total

OpenBenchmarking.orgms, Fewer Is BetterSystemd Total Boot TimeTest: Total4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI8K16K24K32K40K353303436034460

Systemd Total Boot Time

Test: Kernel

OpenBenchmarking.orgms, Fewer Is BetterSystemd Total Boot TimeTest: Kernel4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI7001400210028003500330024702460

Systemd Total Boot Time

Test: Loader

OpenBenchmarking.orgms, Fewer Is BetterSystemd Total Boot TimeTest: Loader4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI8001600240032004000346034903540

Systemd Total Boot Time

Test: Firmware

OpenBenchmarking.orgms, Fewer Is BetterSystemd Total Boot TimeTest: Firmware4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI15003000450060007500683068106870

Systemd Total Boot Time

Test: Userspace

OpenBenchmarking.orgms, Fewer Is BetterSystemd Total Boot TimeTest: Userspace4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI5K10K15K20K25K217202157021570

Timed GCC Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed GCC Compilation 7.2Time To Compile4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI2004006008001000SE +/- 1.34, N = 3SE +/- 4.08, N = 3SE +/- 2.47, N = 3902.24906.85906.72

Timed Linux Kernel Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.13Time To Compile4.15-rc8 KPTI + Full Retpo4.13.0-30 KPTI + IBPB IBRS4.13.0-25 KPTI20406080100SE +/- 1.19, N = 3SE +/- 0.56, N = 3SE +/- 0.88, N = 3107.02106.71106.04

Phoronix Test Suite v10.8.5