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 4.4.110-rc1: KPTI Off

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 4.4.110-rc1: KPTI On

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

Linux 4.9.75-rc1: KPTI Off

Linux 4.9.75-rc1: KPTI On

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 4.14.12-rc1: KPTI Off

Linux 4.14.12-rc1: KPTI On

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

ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerOpenGLCompilerFile-SystemScreen ResolutionLinux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1 KPTI Off KPTI On KPTI Off KPTI On KPTI Off KPTI OnIntel 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 17.104.4.110-rc1-phx-kpti (x86_64) 20180104GNOME Shell 3.26.1Wayland3.3 Mesa 17.2.2GCC 7.2.0ext41920x10804.9.75-rc1-phx-kpti (x86_64) 201801044.5 Mesa 17.2.24.14.12-rc1-phx-kpti (x86_64) 20180104OpenBenchmarking.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

apache: Static Web Page Servingblender: Barbershop - CPU-Onlyredis: SETredis: GETgimp: unsharp-maskgimp: auto-levelsdarktable: Server Room - CPU-onlydarktable: Masskrug - CPU-onlydarktable: Boat - CPU-onlypgbench: Buffer Test - Heavy Contention - Read Writepgbench: Buffer Test - Single Thread - Read Writepgbench: Buffer Test - Normal Load - Read Writebuild-linux-kernel: Time To Compilebuild-apache: Time To Compileebizzy: x264: H.264 Video Encodingsqlite: Default Test DirectoryLinux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1 KPTI Off KPTI On KPTI Off KPTI On KPTI Off KPTI On49434.202135.781747502.252341001.759.864.879.4710.8823.792222.32625.872055.01126.4223.60181630195.9034.1547057.092134.231755528.812300517.7510.204.979.4610.9323.852286.42629.631948.38127.0123.73184404198.3434.4944140.282137.691962011.962553176.549.915.049.4210.7823.762491.90609.482187.77123.7023.39185684198.4333.7941715.292134.451894524.902559257.8310.315.139.4610.8723.792573.00587.252073.25126.3723.85177577200.2735.3143564.162133.612347933.213026910.929.894.919.4610.8523.992516.29661.632394.13124.9824.22184561204.6133.6641260.622137.362333107.583052685.7510.505.079.4810.8923.932621.13663.512258.62127.2924.32186626204.7834.25OpenBenchmarking.org

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 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingKPTI OffKPTI On11K22K33K44K55KSE +/- 315.70, N = 3SE +/- 203.52, N = 3SE +/- 140.80, N = 3SE +/- 105.38, N = 3SE +/- 93.59, N = 3SE +/- 64.13, N = 349434.2047057.0944140.2841715.2943564.1641260.621. (CC) gcc options: -shared -fPIC -O2 -pthread

Blender

Linux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterBlender 2.79Blend File: Barbershop - Compute: CPU-OnlyKPTI OffKPTI On50010001500200025002135.782134.232137.692134.452133.612137.36

Redis

Linux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SETKPTI OffKPTI On500K1000K1500K2000K2500KSE +/- 108574.29, N = 6SE +/- 145001.22, N = 6SE +/- 51100.50, N = 6SE +/- 98085.49, N = 6SE +/- 33207.10, N = 6SE +/- 18540.27, N = 31747502.251755528.811962011.961894524.902347933.212333107.581. (CC) gcc options: -ggdb -rdynamic -lm -pthread

Linux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: GETKPTI OffKPTI On700K1400K2100K2800K3500KSE +/- 32752.11, N = 3SE +/- 151348.40, N = 6SE +/- 116881.36, N = 6SE +/- 95045.09, N = 6SE +/- 158924.51, N = 6SE +/- 35057.08, N = 32341001.752300517.752553176.542559257.833026910.923052685.751. (CC) gcc options: -ggdb -rdynamic -lm -pthread

GIMP

Linux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.8.20Test: unsharp-maskKPTI OffKPTI On3691215SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.06, N = 39.8610.209.9110.319.8910.50

Linux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.8.20Test: auto-levelsKPTI OffKPTI On1.15432.30863.46294.61725.7715SE +/- 0.11, N = 6SE +/- 0.10, N = 3SE +/- 0.26, N = 6SE +/- 0.17, N = 6SE +/- 0.09, N = 3SE +/- 0.01, N = 34.874.975.045.134.915.07

Darktable

Linux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterDarktable 2.2.5Test: Server Room - Acceleration: CPU-onlyKPTI OffKPTI On3691215SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 39.479.469.429.469.469.48

Linux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterDarktable 2.2.5Test: Masskrug - Acceleration: CPU-onlyKPTI OffKPTI On3691215SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 310.8810.9310.7810.8710.8510.89

Linux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterDarktable 2.2.5Test: Boat - Acceleration: CPU-onlyKPTI OffKPTI On612182430SE +/- 0.07, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 3SE +/- 0.10, N = 3SE +/- 0.11, N = 3SE +/- 0.05, N = 323.7923.8523.7623.7923.9923.93

PostgreSQL pgbench

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

Linux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Heavy Contention - Mode: Read WriteKPTI OffKPTI On6001200180024003000SE +/- 144.19, N = 6SE +/- 115.54, N = 6SE +/- 69.12, N = 6SE +/- 167.70, N = 6SE +/- 95.38, N = 6SE +/- 167.10, N = 62222.322286.422491.902573.002516.292621.131. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fPIC -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm

Linux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Single Thread - Mode: Read WriteKPTI OffKPTI On140280420560700SE +/- 23.87, N = 6SE +/- 25.53, N = 6SE +/- 14.48, N = 6SE +/- 27.11, N = 6SE +/- 23.02, N = 6SE +/- 20.47, N = 6625.87629.63609.48587.25661.63663.511. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fPIC -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm

Linux 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteKPTI OffKPTI On5001000150020002500SE +/- 120.67, N = 6SE +/- 130.97, N = 6SE +/- 193.72, N = 6SE +/- 120.35, N = 6SE +/- 111.96, N = 6SE +/- 155.10, N = 62055.011948.382187.772073.252394.132258.621. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fPIC -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm

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 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.13Time To CompileKPTI OffKPTI On306090120150SE +/- 0.98, N = 3SE +/- 0.79, N = 3SE +/- 0.89, N = 3SE +/- 1.32, N = 3SE +/- 0.71, N = 3SE +/- 1.17, N = 3126.42127.01123.70126.37124.98127.29

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 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To CompileKPTI OffKPTI On612182430SE +/- 0.00, N = 3SE +/- 0.08, N = 3SE +/- 0.07, N = 3SE +/- 0.07, N = 3SE +/- 0.34, N = 3SE +/- 0.04, N = 323.6023.7323.3923.8524.2224.32

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 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgRecords/s, More Is Betterebizzy 0.3KPTI OffKPTI On40K80K120K160K200KSE +/- 2872.70, N = 6SE +/- 3291.55, N = 3SE +/- 5060.84, N = 6SE +/- 3913.70, N = 6SE +/- 2988.77, N = 3SE +/- 2694.50, N = 61816301844041856841775771845611866261. (CC) gcc options: -pthread -lpthread -O3 -march=native

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 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2017-09-08H.264 Video EncodingKPTI OffKPTI On4080120160200SE +/- 3.74, N = 3SE +/- 3.69, N = 3SE +/- 3.31, N = 4SE +/- 2.99, N = 4SE +/- 0.72, N = 3SE +/- 0.92, N = 3195.90198.34198.43200.27204.61204.781. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -fPIC -fomit-frame-pointer -fno-tree-vectorize

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 4.4.110-rc1Linux 4.9.75-rc1Linux 4.14.12-rc1OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.8.10.2Test Target: Default Test DirectoryKPTI OffKPTI On816243240SE +/- 0.77, N = 6SE +/- 1.19, N = 6SE +/- 0.85, N = 6SE +/- 0.69, N = 3SE +/- 0.48, N = 3SE +/- 0.50, N = 334.1534.4933.7935.3133.6634.251. (CC) gcc options: -O2 -ldl -lpthread

Linux 4.4.110-rc1: KPTI Off

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.

Linux 4.4.110-rc1: KPTI On

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 17:11 by user phoronix.

Linux 4.9.75-rc1: KPTI Off

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 4.9.75-rc1: KPTI On

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 13:49 by user phoronix.

Linux 4.14.12-rc1: KPTI Off

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 4.14.12-rc1: KPTI On

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 10:52 by user phoronix.