LLVM Clang 3.3 vs. GCC 4.8 - Intel Core-AVX2 Haswell
Intel Core i7-4770K testing with a Intel DH87RL motherboard looking at the GCC 4.7, GCC 4.8, LLVM Clang 3.2, and LLVM Clang 3.3 compiler performance with core-avx2 Haswell optimizations. Intel Core i7 Haswell core-avx2 compiler benchmarks for a future article on Phoronix by Michael Larabel.
GCC 4.7.3
Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 15360MB, Disk: 240GB OCZ VERTEX3, Graphics: Intel Haswell Desktop, Audio: Intel Haswell HDMI, Monitor: VA2431, Network: Intel Connection I217-V
OS: Ubuntu 13.10, Kernel: 3.10.0-999-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.0 Mesa 9.1.3, Compiler: GCC 4.7.3, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --disable-multilib --enable-checking=release --enable-languages=c,c++,fortran
Processor Notes: Scaling Governor: acpi- freq ondemand
GCC 4.8.1
OS: Ubuntu 13.10, Kernel: 3.10.0-999-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.0 Mesa 9.1.3, Compiler: GCC 4.8.1, File-System: ext4, Screen Resolution: 1920x1080
LLVM Clang 3.2
OS: Ubuntu 13.10, Kernel: 3.10.0-999-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.0 Mesa 9.1.3, Compiler: Clang 3.2 + LLVM 3.2svn, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: Optimized build; Built Jun 20 2013 (14:54:23); Default target: x86_64-unknown-linux-gnu; Host CPU: x86-64
Processor Notes: Scaling Governor: acpi- freq ondemand
LLVM Clang 3.3
OS: Ubuntu 13.10, Kernel: 3.10.0-999-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.0 Mesa 9.1.3, Compiler: Clang 3.3 + LLVM 3.3, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: Optimized build; Built Jun 20 2013 (12:21:18); Default target: x86_64-unknown-linux-gnu; Host CPU: x86-64
Processor Notes: Scaling Governor: acpi- freq ondemand
AMD FX-8120 @ 4.0
Processor: AMD FX-8120 Eight-Core @ 4.00GHz (8 Cores), Motherboard: ASUS Crosshair V Formula, Chipset: AMD ATI RD890 bridge, Memory: 8192MB, Disk: 1000GB Western Digital WD10EALX-009, Graphics: AMD Radeon HD 7800 2048MB (1050/1450MHz), Audio: Realtek ALC889, Monitor: B2430L, Network: Intel 82583V Gigabit Connection
OS: Slackware 14.0, Kernel: 3.9.9 (x86_64), Display Server: X Server 1.13.4, Display Driver: fglrx 13.10.10, OpenGL: 4.2.12337, Compiler: GCC 4.8.1 + Clang 3.3 + LLVM 3.3, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --build=x86_64-slackware-linux --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-java-home --enable-languages=ada,c,c++,fortran,go,java,lto,objc --enable-libssp --enable-lto --enable-multilib --enable-objc-gc --enable-shared --enable-threads=posix --host=x86_64-slackware-linux --mandir=/usr/man --target=x86_64-slackware-linux --verbose --with-antlr-jar=/home/slackware/slackbuilds/gcc/antlr-runtime-3.4.jar --with-arch-directory=amd64 --with-gnu-ld --with-java-home=/usr/lib64/jvm/jre --with-jvm-jar-dir=/usr/lib64/jvm/jvm-exports --with-jvm-root-dir=/usr/lib64/jvm --with-python-dir=/lib64/python2.7/site-packages
Processor Notes: Scaling Governor: acpi- freq conservative
Apache Benchmark
Tachyon
This is a test of the threaded Tachyon, a parallel ray-tracing system. Learn more via the OpenBenchmarking.org test page.
FFmpeg
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.
Smallpt
Smallpt is a C++ global illumination renderer written in less than 100 lines of code. Global illumination is done via unbiased Monte Carlo path tracing and there is multi-threading support via the OpenMP library. Learn more via the OpenBenchmarking.org test page.
Primesieve
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.
Timed PHP Compilation
Timed ImageMagick Compilation
Himeno Benchmark
The Himeno benchmark is a linear solver of pressure Poisson using a point-Jacobi method. Learn more via the OpenBenchmarking.org test page.
x264
TSCP
SciMark
BLAKE2
Timed MAFFT Alignment
Timed HMMer Search
This test searches through the Pfam database of profile hidden markov models. The search finds the domain structure of Drosophila Sevenless protein. Learn more via the OpenBenchmarking.org test page.
GCC 4.7.3
Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 15360MB, Disk: 240GB OCZ VERTEX3, Graphics: Intel Haswell Desktop, Audio: Intel Haswell HDMI, Monitor: VA2431, Network: Intel Connection I217-V
OS: Ubuntu 13.10, Kernel: 3.10.0-999-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.0 Mesa 9.1.3, Compiler: GCC 4.7.3, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --disable-multilib --enable-checking=release --enable-languages=c,c++,fortran
Processor Notes: Scaling Governor: acpi- freq ondemand
Testing initiated at 20 June 2013 16:34 by user phoronix.
GCC 4.8.1
Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 15360MB, Disk: 240GB OCZ VERTEX3, Graphics: Intel Haswell Desktop, Audio: Intel Haswell HDMI, Monitor: VA2431, Network: Intel Connection I217-V
OS: Ubuntu 13.10, Kernel: 3.10.0-999-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.0 Mesa 9.1.3, Compiler: GCC 4.8.1, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --disable-multilib --enable-checking=release --enable-languages=c,c++,fortran
Processor Notes: Scaling Governor: acpi- freq ondemand
Testing initiated at 20 June 2013 14:19 by user phoronix.
LLVM Clang 3.2
Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 15360MB, Disk: 240GB OCZ VERTEX3, Graphics: Intel Haswell Desktop, Audio: Intel Haswell HDMI, Monitor: VA2431, Network: Intel Connection I217-V
OS: Ubuntu 13.10, Kernel: 3.10.0-999-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.0 Mesa 9.1.3, Compiler: Clang 3.2 + LLVM 3.2svn, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: Optimized build; Built Jun 20 2013 (14:54:23); Default target: x86_64-unknown-linux-gnu; Host CPU: x86-64
Processor Notes: Scaling Governor: acpi- freq ondemand
Testing initiated at 20 June 2013 15:11 by user phoronix.
LLVM Clang 3.3
Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 15360MB, Disk: 240GB OCZ VERTEX3, Graphics: Intel Haswell Desktop, Audio: Intel Haswell HDMI, Monitor: VA2431, Network: Intel Connection I217-V
OS: Ubuntu 13.10, Kernel: 3.10.0-999-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.0 Mesa 9.1.3, Compiler: Clang 3.3 + LLVM 3.3, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: Optimized build; Built Jun 20 2013 (12:21:18); Default target: x86_64-unknown-linux-gnu; Host CPU: x86-64
Processor Notes: Scaling Governor: acpi- freq ondemand
Testing initiated at 20 June 2013 12:51 by user phoronix.
AMD FX-8120 @ 4.0
Processor: AMD FX-8120 Eight-Core @ 4.00GHz (8 Cores), Motherboard: ASUS Crosshair V Formula, Chipset: AMD ATI RD890 bridge, Memory: 8192MB, Disk: 1000GB Western Digital WD10EALX-009, Graphics: AMD Radeon HD 7800 2048MB (1050/1450MHz), Audio: Realtek ALC889, Monitor: B2430L, Network: Intel 82583V Gigabit Connection
OS: Slackware 14.0, Kernel: 3.9.9 (x86_64), Display Server: X Server 1.13.4, Display Driver: fglrx 13.10.10, OpenGL: 4.2.12337, Compiler: GCC 4.8.1 + Clang 3.3 + LLVM 3.3, File-System: ext4, Screen Resolution: 1920x1080
Compiler Notes: --build=x86_64-slackware-linux --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-java-home --enable-languages=ada,c,c++,fortran,go,java,lto,objc --enable-libssp --enable-lto --enable-multilib --enable-objc-gc --enable-shared --enable-threads=posix --host=x86_64-slackware-linux --mandir=/usr/man --target=x86_64-slackware-linux --verbose --with-antlr-jar=/home/slackware/slackbuilds/gcc/antlr-runtime-3.4.jar --with-arch-directory=amd64 --with-gnu-ld --with-java-home=/usr/lib64/jvm/jre --with-jvm-jar-dir=/usr/lib64/jvm/jvm-exports --with-jvm-root-dir=/usr/lib64/jvm --with-python-dir=/lib64/python2.7/site-packages
Processor Notes: Scaling Governor: acpi- freq conservative
Testing initiated at 17 July 2013 19:17 by user marco.