Fedora 21 vs. Ubuntu 14.10 Laptop Power Use
Tests by Michael Larabel getting a rough look at power use on the same ASUS Zenbook under Fedora 21 and Ubuntu 14.10 Linux.
Fedora 21
Processor: Intel Core i7-3517U @ 3.00GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Intel 7 /C210, Network: Intel Centrino Advanced-N 6235
OS: Fedora 21, Kernel: 3.17.4-301.fc21.x86_64 (x86_64), Desktop: GNOME Shell 3.14.2, Display Server: X Server 1.16.1, Display Driver: intel 2.99.916, OpenGL: 3.3 Mesa 10.3.3, Compiler: GCC 4.9.2 20141101, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --build=x86_64-redhat-linux --disable-libgcj --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-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-linker-hash-style=gnu --with-tune=generic
Processor Notes: Scaling Governor: intel_pstate powersave
System Notes: SELinux: Enabled. This was running on battery power.
Fedora 21 + Updates
OS: Fedora 21, Kernel: 3.17.7-300.fc21.x86_64 (x86_64), Desktop: GNOME Shell 3.14.3, Display Server: X Server 1.16.2.901 (1.16.3 RC 1), Display Driver: intel 2.99.916, OpenGL: 3.3 Mesa 10.4.1, Compiler: GCC 4.9.2 20141101, File-System: ext4, Screen Resolution: 1920x1080
Ubuntu 14.10
OS: Ubuntu 14.10, Kernel: 3.16.0-28-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.3.0, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 1920x1080
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,c++,java,go,d,fortran,objc,obj-c++ --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-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: intel_pstate powersave
System Notes: This was running on battery power.
C-Ray
This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image. Learn more via the OpenBenchmarking.org test page.
LAME MP3 Encoding
LAME is an MP3 encoder licensed under the LGPL. This test measures the time required to encode a WAV file to MP3 format. Learn more via the OpenBenchmarking.org test page.
System Power Consumption Monitor
Timed Idle
Fedora 21
Processor: Intel Core i7-3517U @ 3.00GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Intel 7 /C210, Network: Intel Centrino Advanced-N 6235
OS: Fedora 21, Kernel: 3.17.4-301.fc21.x86_64 (x86_64), Desktop: GNOME Shell 3.14.2, Display Server: X Server 1.16.1, Display Driver: intel 2.99.916, OpenGL: 3.3 Mesa 10.3.3, Compiler: GCC 4.9.2 20141101, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --build=x86_64-redhat-linux --disable-libgcj --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-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-linker-hash-style=gnu --with-tune=generic
Processor Notes: Scaling Governor: intel_pstate powersave
System Notes: SELinux: Enabled. This was running on battery power.
Testing initiated at 10 January 2015 13:02 by user phoronix.
Fedora 21 + Updates
Processor: Intel Core i7-3517U @ 3.00GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Intel 7 /C210, Network: Intel Centrino Advanced-N 6235
OS: Fedora 21, Kernel: 3.17.7-300.fc21.x86_64 (x86_64), Desktop: GNOME Shell 3.14.3, Display Server: X Server 1.16.2.901 (1.16.3 RC 1), Display Driver: intel 2.99.916, OpenGL: 3.3 Mesa 10.4.1, Compiler: GCC 4.9.2 20141101, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --build=x86_64-redhat-linux --disable-libgcj --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-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-linker-hash-style=gnu --with-tune=generic
Processor Notes: Scaling Governor: intel_pstate powersave
System Notes: SELinux: Enabled. This was running on battery power.
Testing initiated at 10 January 2015 13:23 by user phoronix.
Ubuntu 14.10
Processor: Intel Core i7-3517U @ 3.00GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Intel 7 /C210, Network: Intel Centrino Advanced-N 6235
OS: Ubuntu 14.10, Kernel: 3.16.0-28-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.3.0, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 1920x1080
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,c++,java,go,d,fortran,objc,obj-c++ --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-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: intel_pstate powersave
System Notes: This was running on battery power.
Testing initiated at 10 January 2015 16:38 by user phoronix.