Windows vs. Linux Networking Performance
Network testing for a future article on Phoronix.
Windows Server 2016
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00, Memory: 8 x 4096 MB 2666MHz 9ASF51272PZ-2G6E1, Disk: 466GB Samsung SSD 960 EVO 500GB, Graphics: NVIDIA GeForce GTX 1070 Ti 8192MB (1911/4004MHz), Network: Realtek PCIe GBE Family + Microsoft ISATAP
OS: Microsoft Windows Server 2016 Essentials Build 14393, Kernel: 10.0 (x86_64), Display Driver: 391.01 (23.21.13.9101), Vulkan: 1.0.65, Compiler: GCC 7.1.0, File-System: NTFS, Screen Resolution: 2560x1440
Ubuntu 18.04 LTS
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Family 17h, Memory: 28672MB, Disk: Samsung SSD 960 EVO 500GB, Graphics: llvmpipe 28032MB, Audio: NVIDIA GP104 HD Audio, Monitor: ASUS PB278, Network: Realtek RTL8111/8168/8411
OS: Ubuntu 18.04, Kernel: 4.15.0-10-generic (x86_64), Desktop: GNOME Shell 3.27.92, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.0-rc4 (LLVM 5.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1024x768
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
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Security Notes: __user pointer sanitization + Full AMD retpoline Protection
Clear Linux 21260
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Family 17h, Memory: 8 x 4096 MB DDR4-2666MT/s 9ASF51272PZ-2G6E1, Disk: Samsung SSD 960 EVO 500GB, Graphics: ASPEED ASPEED Family 8192MB, Audio: NVIDIA GP104 HD Audio, Network: Realtek RTL8111/8168/8411
OS: Clear Linux OS 21260, Kernel: 4.15.7-536.native (x86_64), Vulkan: 1.0.39, Compiler: GCC 7.3.0 + Clang 5.0.1 + LLVM 5.0.1, File-System: ext4, Screen Resolution: 1920x1080
Environment Notes: CFFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-malign-data=abi-fno-semantic-interposition-ftree-vectorize-ftree-loop-vectorize-Wl-sort-common CFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wformat-Wformat-security-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-fno-semantic-interposition-ffat-lto-objects-fno-signed-zeros-fno-trapping-math-fassociative-math-Wl-sort-common CXXFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wformat-Wformat-security-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-fno-semantic-interposition-ffat-lto-objects-fno-signed-zeros-fno-trapping-math-fassociative-math-Wl-sort-common-fvisibility-inlines-hidden FFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-malign-data=abi-fno-semantic-interposition-ftree-vectorize-ftree-loop-vectorize THEANO_FLAGS=floatX=float32 openmp=true gcc.cxxflags="-ftree-vectorize-mavx"
Compiler Notes: --build=x86_64-generic-linux --disable-libmpx --disable-libunwind-exceptions --disable-multiarch --disable-vtable-verify --enable-__cxa_atexit --enable-bootstrap --enable-clocale=gnu --enable-gnu-indirect-function --enable-languages=c,c++,fortran,go --enable-ld=default --enable-libstdcxx-pch --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --exec-prefix=/usr --includedir=/usr/include --target=x86_64-generic-linux --with-arch=westmere --with-glibc-version=2.19 --with-gnu-ld --with-isl --with-ppl=yes --with-tune=haswell
Processor Notes: Scaling Governor: acpi-cpufreq performance
Security Notes: __user pointer sanitization + Full AMD retpoline Protection
Ubuntu 16.04 LTS
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Device 1450, Memory: 28672MB, Disk: Samsung SSD 960 EVO 500GB, Graphics: ASPEED ASPEED Family 8192MB, Audio: NVIDIA Device 10f0, Monitor: ASUS PB278, Network: Realtek RTL8111/8168/8411
OS: Ubuntu 16.04, Kernel: 4.13.0-36-generic (x86_64), Desktop: Unity 7.4.5, Display Driver: modesetting 1.19.5, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1920x1080
Environment Notes: LIBGL_ALWAYS_SOFTWARE=1
Compiler Notes: --build=x86_64-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 --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Security Notes: OSB (observable speculation barrier Intel v6) + Full AMD retpoline Protection
Fedora Workstation 27
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Family 17h, Memory: 28672MB, Disk: Samsung SSD 960 EVO 500GB, Graphics: llvmpipe 28032MB, Audio: NVIDIA GP104 HD Audio, Monitor: ASUS PB278, Network: Realtek RTL8111/8168/8411
OS: Fedora 27, Kernel: 4.15.7-300.fc27.x86_64 (x86_64), Desktop: GNOME Shell 3.26.2, OpenGL: 2.1 Mesa 17.3.6 (LLVM 5.0 128 bits), Compiler: GCC 7.3.1 20180303, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --build=x86_64-redhat-linux --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,fortran,ada,go,lto --enable-libmpx --enable-multilib --enable-offload-targets=nvptx-none --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-gcc-major-version-only --with-isl --with-linker-hash-style=gnu --with-tune=generic --without-cuda-driver
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Security Notes: SELinux + __user pointer sanitization + Full AMD retpoline IBPB Protection
Debian Testing
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Family 17h, Memory: 8 x 4096 MB DDR4-2666MT/s 9ASF51272PZ-2G6E1, Disk: Samsung SSD 960 EVO 500GB, Graphics: llvmpipe 28032MB, Audio: NVIDIA GP104 HD Audio, Monitor: ASUS PB278, Network: Realtek RTL8111/8168/8411
OS: Debian testing, Kernel: 4.14.0-3-amd64 (x86_64), Desktop: GNOME Shell 3.26.2, Display Server: X Server 1.19.6, OpenGL: 3.3 Mesa 17.3.6 (LLVM 5.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080
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
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Security Notes: Full AMD retpoline Protection
openSUSE Tumbleweed
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Family 17h, Memory: 28672MB, Disk: Samsung SSD 960 EVO 500GB, Graphics: llvmpipe 28032MB, Audio: NVIDIA GP104 HD Audio, Monitor: ASUS PB278, Network: Realtek RTL8111/8168/8411
OS: openSUSE Tumbleweed 20180312, Kernel: 4.15.7-1-default (x86_64), Desktop: KDE Plasma 5.12.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.0-rc4 (LLVM 5.0 128 bits), Compiler: GCC 7.3.1 20180307 [gcc-7-branch revision 258314], File-System: xfs, Screen Resolution: 1920x1080
Compiler Notes: --build=x86_64-suse-linux --disable-libcc1 --disable-libssp --disable-libstdcxx-pch --disable-libvtv --disable-werror --enable-__cxa_atexit --enable-checking=release --enable-gnu-indirect-function --enable-languages=c,c++,objc,fortran,obj-c++,ada,go --enable-libstdcxx-allocator=new --enable-linux-futex --enable-multilib --enable-offload-targets=hsa,nvptx-none=/usr/nvptx-none, --enable-plugin --enable-ssp --enable-version-specific-runtime-libs --host=x86_64-suse-linux --mandir=/usr/share/man --with-arch-32=x86-64 --with-gcc-major-version-only --with-slibdir=/lib64 --with-tune=generic --without-cuda-driver --without-system-libunwind
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Security Notes: __user pointer sanitization + Full AMD retpoline IBPB Protection
Manjaro 17.1.6
OS: ManjaroLinux 17.1.6, Kernel: 4.14.25-1-MANJARO (x86_64), Desktop: Xfce 4.12, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 17.3.6 (LLVM 5.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-werror --enable-__cxa_atexit --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-object --enable-install-libiberty --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-libmpx --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-isl --with-linker-hash-style=gnu
Processor Notes: Scaling Governor: acpi-cpufreq schedutil
Security Notes: __user pointer sanitization + Full AMD retpoline Protection
Netperf
Netperf is a network bandwidth testing software. This test profile is used for automated testing of a netperf client and requires you have access to a netperf server. Learn more via the OpenBenchmarking.org test page.
Windows Server 2016
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00, Memory: 8 x 4096 MB 2666MHz 9ASF51272PZ-2G6E1, Disk: 466GB Samsung SSD 960 EVO 500GB, Graphics: NVIDIA GeForce GTX 1070 Ti 8192MB (1911/4004MHz), Network: Realtek PCIe GBE Family + Microsoft ISATAP
OS: Microsoft Windows Server 2016 Essentials Build 14393, Kernel: 10.0 (x86_64), Display Driver: 391.01 (23.21.13.9101), Vulkan: 1.0.65, Compiler: GCC 7.1.0, File-System: NTFS, Screen Resolution: 2560x1440
Testing initiated at 8 March 2018 02:02 by user pts.
Ubuntu 18.04 LTS
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Family 17h, Memory: 28672MB, Disk: Samsung SSD 960 EVO 500GB, Graphics: llvmpipe 28032MB, Audio: NVIDIA GP104 HD Audio, Monitor: ASUS PB278, Network: Realtek RTL8111/8168/8411
OS: Ubuntu 18.04, Kernel: 4.15.0-10-generic (x86_64), Desktop: GNOME Shell 3.27.92, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.0-rc4 (LLVM 5.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1024x768
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
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Security Notes: __user pointer sanitization + Full AMD retpoline Protection
Testing initiated at 9 March 2018 21:59 by user phoronix.
Clear Linux 21260
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Family 17h, Memory: 8 x 4096 MB DDR4-2666MT/s 9ASF51272PZ-2G6E1, Disk: Samsung SSD 960 EVO 500GB, Graphics: ASPEED ASPEED Family 8192MB, Audio: NVIDIA GP104 HD Audio, Network: Realtek RTL8111/8168/8411
OS: Clear Linux OS 21260, Kernel: 4.15.7-536.native (x86_64), Vulkan: 1.0.39, Compiler: GCC 7.3.0 + Clang 5.0.1 + LLVM 5.0.1, File-System: ext4, Screen Resolution: 1920x1080
Environment Notes: CFFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-malign-data=abi-fno-semantic-interposition-ftree-vectorize-ftree-loop-vectorize-Wl-sort-common CFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wformat-Wformat-security-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-fno-semantic-interposition-ffat-lto-objects-fno-signed-zeros-fno-trapping-math-fassociative-math-Wl-sort-common CXXFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wformat-Wformat-security-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-fno-semantic-interposition-ffat-lto-objects-fno-signed-zeros-fno-trapping-math-fassociative-math-Wl-sort-common-fvisibility-inlines-hidden FFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-malign-data=abi-fno-semantic-interposition-ftree-vectorize-ftree-loop-vectorize THEANO_FLAGS=floatX=float32 openmp=true gcc.cxxflags="-ftree-vectorize-mavx"
Compiler Notes: --build=x86_64-generic-linux --disable-libmpx --disable-libunwind-exceptions --disable-multiarch --disable-vtable-verify --enable-__cxa_atexit --enable-bootstrap --enable-clocale=gnu --enable-gnu-indirect-function --enable-languages=c,c++,fortran,go --enable-ld=default --enable-libstdcxx-pch --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --exec-prefix=/usr --includedir=/usr/include --target=x86_64-generic-linux --with-arch=westmere --with-glibc-version=2.19 --with-gnu-ld --with-isl --with-ppl=yes --with-tune=haswell
Processor Notes: Scaling Governor: acpi-cpufreq performance
Security Notes: __user pointer sanitization + Full AMD retpoline Protection
Testing initiated at 11 March 2018 23:18 by user root.
Ubuntu 16.04 LTS
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Device 1450, Memory: 28672MB, Disk: Samsung SSD 960 EVO 500GB, Graphics: ASPEED ASPEED Family 8192MB, Audio: NVIDIA Device 10f0, Monitor: ASUS PB278, Network: Realtek RTL8111/8168/8411
OS: Ubuntu 16.04, Kernel: 4.13.0-36-generic (x86_64), Desktop: Unity 7.4.5, Display Driver: modesetting 1.19.5, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1920x1080
Environment Notes: LIBGL_ALWAYS_SOFTWARE=1
Compiler Notes: --build=x86_64-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 --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Security Notes: OSB (observable speculation barrier Intel v6) + Full AMD retpoline Protection
Testing initiated at 12 March 2018 07:57 by user phoronix.
Fedora Workstation 27
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Family 17h, Memory: 28672MB, Disk: Samsung SSD 960 EVO 500GB, Graphics: llvmpipe 28032MB, Audio: NVIDIA GP104 HD Audio, Monitor: ASUS PB278, Network: Realtek RTL8111/8168/8411
OS: Fedora 27, Kernel: 4.15.7-300.fc27.x86_64 (x86_64), Desktop: GNOME Shell 3.26.2, OpenGL: 2.1 Mesa 17.3.6 (LLVM 5.0 128 bits), Compiler: GCC 7.3.1 20180303, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --build=x86_64-redhat-linux --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,fortran,ada,go,lto --enable-libmpx --enable-multilib --enable-offload-targets=nvptx-none --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-gcc-major-version-only --with-isl --with-linker-hash-style=gnu --with-tune=generic --without-cuda-driver
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Security Notes: SELinux + __user pointer sanitization + Full AMD retpoline IBPB Protection
Testing initiated at 12 March 2018 16:08 by user phoronix.
Debian Testing
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Family 17h, Memory: 8 x 4096 MB DDR4-2666MT/s 9ASF51272PZ-2G6E1, Disk: Samsung SSD 960 EVO 500GB, Graphics: llvmpipe 28032MB, Audio: NVIDIA GP104 HD Audio, Monitor: ASUS PB278, Network: Realtek RTL8111/8168/8411
OS: Debian testing, Kernel: 4.14.0-3-amd64 (x86_64), Desktop: GNOME Shell 3.26.2, Display Server: X Server 1.19.6, OpenGL: 3.3 Mesa 17.3.6 (LLVM 5.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080
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
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Security Notes: Full AMD retpoline Protection
Testing initiated at 13 March 2018 08:07 by user root.
openSUSE Tumbleweed
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Family 17h, Memory: 28672MB, Disk: Samsung SSD 960 EVO 500GB, Graphics: llvmpipe 28032MB, Audio: NVIDIA GP104 HD Audio, Monitor: ASUS PB278, Network: Realtek RTL8111/8168/8411
OS: openSUSE Tumbleweed 20180312, Kernel: 4.15.7-1-default (x86_64), Desktop: KDE Plasma 5.12.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.0-rc4 (LLVM 5.0 128 bits), Compiler: GCC 7.3.1 20180307 [gcc-7-branch revision 258314], File-System: xfs, Screen Resolution: 1920x1080
Compiler Notes: --build=x86_64-suse-linux --disable-libcc1 --disable-libssp --disable-libstdcxx-pch --disable-libvtv --disable-werror --enable-__cxa_atexit --enable-checking=release --enable-gnu-indirect-function --enable-languages=c,c++,objc,fortran,obj-c++,ada,go --enable-libstdcxx-allocator=new --enable-linux-futex --enable-multilib --enable-offload-targets=hsa,nvptx-none=/usr/nvptx-none, --enable-plugin --enable-ssp --enable-version-specific-runtime-libs --host=x86_64-suse-linux --mandir=/usr/share/man --with-arch-32=x86-64 --with-gcc-major-version-only --with-slibdir=/lib64 --with-tune=generic --without-cuda-driver --without-system-libunwind
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Security Notes: __user pointer sanitization + Full AMD retpoline IBPB Protection
Testing initiated at 13 March 2018 19:20 by user .
Manjaro 17.1.6
Processor: AMD EPYC 7551 32-Core @ 2.00GHz (32 Cores / 64 Threads), Motherboard: GIGABYTE MZ31-AR0-00 v01010101 (F03 BIOS), Chipset: AMD Family 17h, Memory: 28672MB, Disk: Samsung SSD 960 EVO 500GB, Graphics: llvmpipe 28032MB, Audio: NVIDIA GP104 HD Audio, Monitor: ASUS PB278, Network: Realtek RTL8111/8168/8411
OS: ManjaroLinux 17.1.6, Kernel: 4.14.25-1-MANJARO (x86_64), Desktop: Xfce 4.12, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 17.3.6 (LLVM 5.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-werror --enable-__cxa_atexit --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-object --enable-install-libiberty --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-libmpx --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-isl --with-linker-hash-style=gnu
Processor Notes: Scaling Governor: acpi-cpufreq schedutil
Security Notes: __user pointer sanitization + Full AMD retpoline Protection
Testing initiated at 14 March 2018 04:59 by user phoronix.