KPTI Kernel Comparison

Tests for a future article on Phoronix.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1801049-AL-KPTIKERNE72
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Timed Code Compilation 2 Tests
C/C++ Compiler Tests 4 Tests
CPU Massive 9 Tests
Creator Workloads 4 Tests
Database Test Suite 3 Tests
Imaging 2 Tests
Common Kernel Benchmarks 2 Tests
Multi-Core 6 Tests
Programmer / Developer System Benchmarks 2 Tests
Server 5 Tests
Server CPU Tests 5 Tests

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Linux 4.4.110-rc1: KPTI Off
January 04 2018
 
Linux 4.4.110-rc1: KPTI On
January 04 2018
 
Linux 4.9.75-rc1: KPTI Off
January 04 2018
 
Linux 4.9.75-rc1: KPTI On
January 04 2018
 
Linux 4.14.12-rc1: KPTI Off
January 04 2018
 
Linux 4.14.12-rc1: KPTI On
January 04 2018
 
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Linux 4.14.12-rc1: KPTI On

Environment Notes: GJS_DEBUG_TOPICS=JS ERROR;JS LOG GJS_DEBUG_OUTPUT=stderr
Compiler Notes: --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 Notes: CFQ / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave

Linux 4.14.12-rc1: KPTI Off

Processor: Intel Core i7-4790K @ 4.40GHz (4 Cores / 8 Threads), Motherboard: Gigabyte Z97-HD3P, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 120GB OCZ TRION100, Graphics: Intel Haswell Desktop 1536MB (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: Acer B286HK, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 17.10, Kernel: 4.14.12-rc1-phx-kpti (x86_64) 20180104, Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Linux 4.9.75-rc1: KPTI On

Linux 4.9.75-rc1: KPTI Off

OS: Ubuntu 17.10, Kernel: 4.9.75-rc1-phx-kpti (x86_64) 20180104, Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Linux 4.4.110-rc1: KPTI On

Linux 4.4.110-rc1: KPTI Off

OS: Ubuntu 17.10, Kernel: 4.4.110-rc1-phx-kpti (x86_64) 20180104, Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 3.3 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerOpenGLCompilerFile-SystemScreen ResolutionLinux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1 KPTI On KPTI Off KPTI On KPTI Off KPTI On KPTI OffIntel Core i7-4790K @ 4.40GHz (4 Cores / 8 Threads)Gigabyte Z97-HD3PIntel 4th Gen Core DRAM16384MB120GB OCZ TRION100Intel Haswell Desktop 1536MB (1250MHz)Intel Xeon E3-1200 v3/4thAcer B286HKRealtek RTL8111/8168/8411Ubuntu 17.104.14.12-rc1-phx-kpti (x86_64) 20180104GNOME Shell 3.26.1Wayland4.5 Mesa 17.2.2GCC 7.2.0ext41920x10804.9.75-rc1-phx-kpti (x86_64) 201801044.4.110-rc1-phx-kpti (x86_64) 201801043.3 Mesa 17.2.2OpenBenchmarking.orgEnvironment Details- GJS_DEBUG_TOPICS=JS ERROR;JS LOG GJS_DEBUG_OUTPUT=stderrCompiler 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- CFQ / data=ordered,errors=remount-ro,relatime,rwProcessor Details- Scaling Governor: intel_pstate powersave

sqlite: Default Test Directoryx264: H.264 Video Encodingebizzy: build-apache: Time To Compilebuild-linux-kernel: Time To Compilepgbench: Buffer Test - Normal Load - Read Writepgbench: Buffer Test - Single Thread - Read Writepgbench: Buffer Test - Heavy Contention - Read Writedarktable: Boat - CPU-onlydarktable: Masskrug - CPU-onlydarktable: Server Room - CPU-onlygimp: auto-levelsgimp: unsharp-maskredis: GETredis: SETblender: Barbershop - CPU-Onlyapache: Static Web Page ServingLinux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1 KPTI On KPTI Off KPTI On KPTI Off KPTI On KPTI Off34.25204.7818662624.32127.292258.62663.512621.1323.9310.899.485.0710.503052685.752333107.582137.3641260.6233.66204.6118456124.22124.982394.13661.632516.2923.9910.859.464.919.893026910.922347933.212133.6143564.1635.31200.2717757723.85126.372073.25587.252573.0023.7910.879.465.1310.312559257.831894524.902134.4541715.2933.79198.4318568423.39123.702187.77609.482491.9023.7610.789.425.049.912553176.541962011.962137.6944140.2834.49198.3418440423.73127.011948.38629.632286.4223.8510.939.464.9710.202300517.751755528.812134.2347057.0934.15195.9018163023.60126.422055.01625.872222.3223.7910.889.474.879.862341001.751747502.252135.7849434.20OpenBenchmarking.org

SQLite

This is a simple benchmark of SQLite. At present this test profile just measures the time to perform a pre-defined number of insertions on an indexed database. Learn more via the OpenBenchmarking.org test page.

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.8.10.2Test Target: Default Test DirectoryKPTI OnKPTI Off816243240SE +/- 0.50, N = 3SE +/- 0.48, N = 3SE +/- 0.69, N = 3SE +/- 0.85, N = 6SE +/- 1.19, N = 6SE +/- 0.77, N = 634.2533.6635.3133.7934.4934.151. (CC) gcc options: -O2 -ldl -lpthread

x264

This is a simple test of the x264 H.264/AVC encoder run on the CPU (OpenCL support disabled). Learn more via the OpenBenchmarking.org test page.

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2017-09-08H.264 Video EncodingKPTI OnKPTI Off4080120160200SE +/- 0.92, N = 3SE +/- 0.72, N = 3SE +/- 2.99, N = 4SE +/- 3.31, N = 4SE +/- 3.69, N = 3SE +/- 3.74, N = 3204.78204.61200.27198.43198.34195.901. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -fPIC -fomit-frame-pointer -fno-tree-vectorize

ebizzy

This is a test of ebizzy, a program to generate workloads resembling web server workloads. Learn more via the OpenBenchmarking.org test page.

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgRecords/s, More Is Betterebizzy 0.3KPTI OnKPTI Off40K80K120K160K200KSE +/- 2694.50, N = 6SE +/- 2988.77, N = 3SE +/- 3913.70, N = 6SE +/- 5060.84, N = 6SE +/- 3291.55, N = 3SE +/- 2872.70, N = 61866261845611775771856841844041816301. (CC) gcc options: -pthread -lpthread -O3 -march=native

Timed Apache Compilation

This test times how long it takes to build the Apache HTTP Server. Learn more via the OpenBenchmarking.org test page.

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To CompileKPTI OnKPTI Off612182430SE +/- 0.04, N = 3SE +/- 0.34, N = 3SE +/- 0.07, N = 3SE +/- 0.07, N = 3SE +/- 0.08, N = 3SE +/- 0.00, N = 324.3224.2223.8523.3923.7323.60

Timed Linux Kernel Compilation

This test times how long it takes to build the Linux kernel. Learn more via the OpenBenchmarking.org test page.

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.13Time To CompileKPTI OnKPTI Off306090120150SE +/- 1.17, N = 3SE +/- 0.71, N = 3SE +/- 1.32, N = 3SE +/- 0.89, N = 3SE +/- 0.79, N = 3SE +/- 0.98, N = 3127.29124.98126.37123.70127.01126.42

PostgreSQL pgbench

This is a simple benchmark of PostgreSQL using pgbench. Learn more via the OpenBenchmarking.org test page.

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteKPTI OnKPTI Off5001000150020002500SE +/- 155.10, N = 6SE +/- 111.96, N = 6SE +/- 120.35, N = 6SE +/- 193.72, N = 6SE +/- 130.97, N = 6SE +/- 120.67, N = 62258.622394.132073.252187.771948.382055.011. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fPIC -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Single Thread - Mode: Read WriteKPTI OnKPTI Off140280420560700SE +/- 20.47, N = 6SE +/- 23.02, N = 6SE +/- 27.11, N = 6SE +/- 14.48, N = 6SE +/- 25.53, N = 6SE +/- 23.87, N = 6663.51661.63587.25609.48629.63625.871. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fPIC -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Heavy Contention - Mode: Read WriteKPTI OnKPTI Off6001200180024003000SE +/- 167.10, N = 6SE +/- 95.38, N = 6SE +/- 167.70, N = 6SE +/- 69.12, N = 6SE +/- 115.54, N = 6SE +/- 144.19, N = 62621.132516.292573.002491.902286.422222.321. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fPIC -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm

Darktable

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterDarktable 2.2.5Test: Boat - Acceleration: CPU-onlyKPTI OnKPTI Off612182430SE +/- 0.05, N = 3SE +/- 0.11, N = 3SE +/- 0.10, N = 3SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.07, N = 323.9323.9923.7923.7623.8523.79

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterDarktable 2.2.5Test: Masskrug - Acceleration: CPU-onlyKPTI OnKPTI Off3691215SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 310.8910.8510.8710.7810.9310.88

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterDarktable 2.2.5Test: Server Room - Acceleration: CPU-onlyKPTI OnKPTI Off3691215SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 39.489.469.469.429.469.47

GIMP

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.8.20Test: auto-levelsKPTI OnKPTI Off1.15432.30863.46294.61725.7715SE +/- 0.01, N = 3SE +/- 0.09, N = 3SE +/- 0.17, N = 6SE +/- 0.26, N = 6SE +/- 0.10, N = 3SE +/- 0.11, N = 65.074.915.135.044.974.87

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.8.20Test: unsharp-maskKPTI OnKPTI Off3691215SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 310.509.8910.319.9110.209.86

Redis

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: GETKPTI OnKPTI Off700K1400K2100K2800K3500KSE +/- 35057.08, N = 3SE +/- 158924.51, N = 6SE +/- 95045.09, N = 6SE +/- 116881.36, N = 6SE +/- 151348.40, N = 6SE +/- 32752.11, N = 33052685.753026910.922559257.832553176.542300517.752341001.751. (CC) gcc options: -ggdb -rdynamic -lm -pthread

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SETKPTI OnKPTI Off500K1000K1500K2000K2500KSE +/- 18540.27, N = 3SE +/- 33207.10, N = 6SE +/- 98085.49, N = 6SE +/- 51100.50, N = 6SE +/- 145001.22, N = 6SE +/- 108574.29, N = 62333107.582347933.211894524.901962011.961755528.811747502.251. (CC) gcc options: -ggdb -rdynamic -lm -pthread

Blender

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterBlender 2.79Blend File: Barbershop - Compute: CPU-OnlyKPTI OnKPTI Off50010001500200025002137.362133.612134.452137.692134.232135.78

Apache Benchmark

This is a test of ab, which is the Apache benchmark program. This test profile measures how many requests per second a given system can sustain when carrying out 1,000,000 requests with 100 requests being carried out concurrently. Learn more via the OpenBenchmarking.org test page.

Linux 4.14.12-rc1Linux 4.9.75-rc1Linux 4.4.110-rc1OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingKPTI OnKPTI Off11K22K33K44K55KSE +/- 64.13, N = 3SE +/- 93.59, N = 3SE +/- 105.38, N = 3SE +/- 140.80, N = 3SE +/- 203.52, N = 3SE +/- 315.70, N = 341260.6243564.1641715.2944140.2847057.0949434.201. (CC) gcc options: -shared -fPIC -O2 -pthread

Linux 4.14.12-rc1: KPTI On

Environment Notes: GJS_DEBUG_TOPICS=JS ERROR;JS LOG GJS_DEBUG_OUTPUT=stderr
Compiler Notes: --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 Notes: CFQ / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 4 January 2018 10:52 by user phoronix.

Linux 4.14.12-rc1: KPTI Off

Processor: Intel Core i7-4790K @ 4.40GHz (4 Cores / 8 Threads), Motherboard: Gigabyte Z97-HD3P, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 120GB OCZ TRION100, Graphics: Intel Haswell Desktop 1536MB (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: Acer B286HK, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 17.10, Kernel: 4.14.12-rc1-phx-kpti (x86_64) 20180104, Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Environment Notes: GJS_DEBUG_TOPICS=JS ERROR;JS LOG GJS_DEBUG_OUTPUT=stderr
Compiler Notes: --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 Notes: CFQ / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 4 January 2018 12:21 by user phoronix.

Linux 4.9.75-rc1: KPTI On

Environment Notes: GJS_DEBUG_TOPICS=JS ERROR;JS LOG GJS_DEBUG_OUTPUT=stderr
Compiler Notes: --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 Notes: CFQ / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 4 January 2018 13:49 by user phoronix.

Linux 4.9.75-rc1: KPTI Off

Processor: Intel Core i7-4790K @ 4.40GHz (4 Cores / 8 Threads), Motherboard: Gigabyte Z97-HD3P, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 120GB OCZ TRION100, Graphics: Intel Haswell Desktop 1536MB (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: Acer B286HK, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 17.10, Kernel: 4.9.75-rc1-phx-kpti (x86_64) 20180104, Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Environment Notes: GJS_DEBUG_TOPICS=JS ERROR;JS LOG GJS_DEBUG_OUTPUT=stderr
Compiler Notes: --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 Notes: CFQ / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 4 January 2018 15:17 by user phoronix.

Linux 4.4.110-rc1: KPTI On

Environment Notes: GJS_DEBUG_TOPICS=JS ERROR;JS LOG GJS_DEBUG_OUTPUT=stderr
Compiler Notes: --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 Notes: CFQ / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 4 January 2018 17:11 by user phoronix.

Linux 4.4.110-rc1: KPTI Off

Processor: Intel Core i7-4790K @ 4.40GHz (4 Cores / 8 Threads), Motherboard: Gigabyte Z97-HD3P, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 120GB OCZ TRION100, Graphics: Intel Haswell Desktop 1536MB (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: Acer B286HK, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 17.10, Kernel: 4.4.110-rc1-phx-kpti (x86_64) 20180104, Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 3.3 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Environment Notes: GJS_DEBUG_TOPICS=JS ERROR;JS LOG GJS_DEBUG_OUTPUT=stderr
Compiler Notes: --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 Notes: CFQ / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 4 January 2018 18:46 by user phoronix.