Linux x86 32-bit KPTI Meltdown Impact

Intel Core 2 Duo T9300 testing of Linux 32-bit Kernel Page Table Isolation (KPTI/PTI) patches staged for the mainline kernel. Benchmarks by Michael Larabel for a future article.

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KPTI Disabled
July 22 2018
  5 Hours, 20 Minutes
KPTI Enabled
July 22 2018
  5 Hours, 32 Minutes
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  5 Hours, 26 Minutes
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{ "title": "Linux x86 32-bit KPTI Meltdown Impact", "last_modified": "2018-07-23 08:03:18", "description": "Intel Core 2 Duo T9300 testing of Linux 32-bit Kernel Page Table Isolation (KPTI\/PTI) patches staged for the mainline kernel. Benchmarks by Michael Larabel for a future article.", "systems": { "KPTI Disabled": { "identifier": "KPTI Disabled", "hardware": { "Processor": "Intel Core 2 Duo T9300 @ 2.50GHz (2 Cores)", "Motherboard": "LENOVO 6459CTO (7LETB2WW 2.12 BIOS)", "Chipset": "Intel Mobile PM965\/GM965\/GL960 + ICH8M-E", "Memory": "4096MB", "Disk": "100GB Hitachi HTS72201", "Graphics": "NVIDIA Quadro NVS 140M 128MB", "Audio": "Analog Devices AD1984", "Network": "Intel 82566MM Gigabit Connection + Intel PRO\/Wireless" }, "software": { "OS": "Ubuntu 16.04", "Kernel": "4.18.0-rc4-tip-pti-phoronix (i686) 20180722", "Desktop": "Unity 7.4.5", "Display Server": "X Server 1.19.6", "Display Driver": "modesetting 1.19.6", "Compiler": "GCC 5.4.0 20160609", "File-System": "ext4", "Screen Resolution": "1680x1050" }, "user": "phoronix", "timestamp": "2018-07-22 21:02:05", "data": { "compiler-configuration": "--build=i686-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release 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"Chipset": "Intel Mobile PM965\/GM965\/GL960 + ICH8M-E", "Memory": "4096MB", "Disk": "100GB Hitachi HTS72201", "Graphics": "NVIDIA Quadro NVS 140M", "Audio": "Analog Devices AD1984", "Network": "Intel 82566MM Gigabit Connection + Intel PRO\/Wireless" }, "software": { "OS": "Ubuntu 16.04", "Kernel": "4.18.0-rc4-tip-pti-phoronix (i686) 20180722", "Display Server": "X Server 1.19.6", "Display Driver": "modesetting 1.19.6", "Compiler": "GCC 5.4.0 20160609", "File-System": "ext4" }, "user": "phoronix", "timestamp": "2018-07-22 14:23:41", "data": { "compiler-configuration": "--build=i686-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc 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