LLVM Clang 3.8 Compiler Tuning

Intel Xeon E5-2687W v3 testing with a MSI X99S SLI PLUS (MS-7885) v1.0 and AMD FirePro V7900 2048MB on Ubuntu 16.04 via the Phoronix Test Suite.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1602049-GA-LLVMCLANG61
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Audio Encoding 2 Tests
Bioinformatics 2 Tests
Timed Code Compilation 2 Tests
C/C++ Compiler Tests 11 Tests
CPU Massive 12 Tests
Creator Workloads 5 Tests
Database Test Suite 2 Tests
Encoding 2 Tests
HPC - High Performance Computing 2 Tests
Common Kernel Benchmarks 2 Tests
Multi-Core 6 Tests
Programmer / Developer System Benchmarks 2 Tests
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Scientific Computing 2 Tests
Server 3 Tests
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-O0
February 03 2016
 
-O1
February 03 2016
 
-O2
February 04 2016
 
-Oz
February 04 2016
 
-O3
February 04 2016
 
-O3 -march=native
February 03 2016
 
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-O0

Compiler Notes: Optimized build; Built Feb 3 2016 (13:57:10); Default target: x86_64-unknown-linux-gnu; Host CPU: haswell
Processor Notes: Scaling Governor: intel_pstate powersave

-O1

-O2

-Oz

-O3

-O3 -march=native

Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: PNY CS1211 120GB + 80GB INTEL SSDSCKGW08, Graphics: AMD FirePro V7900 2048MB, Audio: Realtek ALC892, Monitor: ASUS PB278, Network: Intel Connection

OS: Ubuntu 16.04, Kernel: 4.5.0-040500rc1-generic (x86_64) 20160124, Desktop: Unity 7.4.0, Display Server: X Server 1.17.3, Display Driver: radeon 7.6.1, OpenGL: 3.3 Mesa 11.0.8 Gallium 0.4, Compiler: Clang 3.8.0 (SVN 259676) + LLVM 3.8.0, File-System: ext4, Screen Resolution: 2560x1440

LLVM Clang 3.8 Compiler TuningOpenBenchmarking.orgPhoronix Test SuiteIntel Xeon E5-2687W v3 @ 3.50GHz (20 Cores)MSI X99S SLI PLUS (MS-7885) v1.0Intel Xeon E7 v3/Xeon16384MBPNY CS1211 120GB + 80GB INTEL SSDSCKGW08AMD FirePro V7900 2048MBRealtek ALC892ASUS PB278Intel ConnectionUbuntu 16.044.5.0-040500rc1-generic (x86_64) 20160124Unity 7.4.0X Server 1.17.3radeon 7.6.13.3 Mesa 11.0.8 Gallium 0.4Clang 3.8.0 (SVN 259676) + LLVM 3.8.0ext42560x1440ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionLLVM Clang 3.8 Compiler Tuning BenchmarksSystem Logs- Optimized build; Built Feb 3 2016 (13:57:10); Default target: x86_64-unknown-linux-gnu; Host CPU: haswell - Scaling Governor: intel_pstate powersave

-O0-O1-O2-Oz-O3-O3 -march=nativeLogarithmic Result OverviewPhoronix Test SuiteFLAC Audio EncodingHimeno BenchmarkTimed PHP CompilationHierarchical INTegrationLAME MP3 EncodingTimed Apache CompilationGraphicsMagickC-RayTimed HMMer SearchRedisPostgreSQL pgbenchSciMarkApache Benchmark

LLVM Clang 3.8 Compiler Tuningapache: Static Web Page Servingc-ray: Total Timeencode-flac: WAV To FLACgraphics-magick: Blurgraphics-magick: Sharpengraphics-magick: HWB Color Spacegraphics-magick: Local Adaptive Thresholdinghint: FLOAThimeno: Poisson Pressure Solverencode-mp3: WAV To MP3pgbench: Buffer Test - Normal Load - Read Writepgbench: Buffer Test - Single Thread - Read Writepgbench: Buffer Test - Heavy Contention - Read Writeredis: LPOPredis: SADDredis: LPUSHredis: GETredis: SETscimark2: Compositescimark2: Monte Carloscimark2: Fast Fourier Transformscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationscimark2: Jacobi Successive Over-Relaxationsmallpt: Global Illumination Renderer; 100 Samplesbuild-apache: Time To Compilehmmer: Pfam Database Searchbuild-php: Time To Compile-O0-O1-O2-Oz-O3-O3 -march=native23021.4227.5857.4467618318112554681.82284.5837.105007.75284.515176.52541334.66481943.16456864.10527734.53468101.811803.18238.14358.282807.964133.951477.579.2512.184.2423380.2316.309.1211611115070266823791.591334.4715.685049.34348.865209.08642965.38587106.65585266.59625334.40575054.871807.18237.83357.192776.504187.611476.7417.8315.998.9323360.8519.818.6511911315081322378022.361359.0113.954968.10379.005050.83633016.31599041.21570314.27624757.29579653.251802.36234.76363.592798.014137.161478.301221.2714.0211.8223342.1619.7012.2711310814471314508487.411002.2416.884736.91357.324911.10631316.90581864.31589078.56632178.77585438.601812.18237.11357.502806.624181.891477.781319.2215.099.5523283.0713.218.6611911315080321885788.841354.2914.384597.65351.754630.05642800.77592835.98587392.23649056.62582801.371793.50237.63358.052766.534127.101478.191221.6715.1315.7923355.4612.787.1111710715084268576816.541342.9415.225092.20362.585342.15624901.33587747.73575188.23642443.67580208.841918.30235.58362.392613.774901.041478.721221.8714.8015.93OpenBenchmarking.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.

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page Serving-Oz-O3 -march=native-O3-O2-O1-O05K10K15K20K25KSE +/- 21.97, N = 3SE +/- 103.00, N = 3SE +/- 43.31, N = 3SE +/- 64.64, N = 3SE +/- 55.39, N = 3SE +/- 50.43, N = 323342.1623355.4623283.0723360.8523380.2323021.42-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -shared -fPIC -pthread

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.

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time-Oz-O3 -march=native-O3-O2-O1-O0612182430SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.02, N = 319.7012.7813.2119.8116.3027.58-Oz-march=native-O2-O1-O01. (CC) gcc options: -lm -lpthread -O3

FLAC Audio Encoding

This test times how long it takes to encode a sample WAV file to FLAC format three times. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.1WAV To FLAC-Oz-O3 -march=native-O3-O2-O1-O01326395265SE +/- 0.14, N = 5SE +/- 0.03, N = 5SE +/- 0.11, N = 5SE +/- 0.10, N = 5SE +/- 0.10, N = 5SE +/- 0.15, N = 512.277.118.668.659.1257.44-Oz-O3 -march=native-O3-O2-O1-O01. (CXX) g++ options: -logg -lm

GraphicsMagick

This is a test of GraphicsMagick with its OpenMP implementation that performs various imaging tests to stress the system's CPU. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Blur-Oz-O3 -march=native-O3-O2-O1-O0306090120150SE +/- 0.00, N = 3SE +/- 0.88, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 311311711911911667-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lz -lm -lgomp -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Sharpen-Oz-O3 -march=native-O3-O2-O1-O0306090120150SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 310810711311311161-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lz -lm -lgomp -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: HWB Color Space-Oz-O3 -march=native-O3-O2-O1-O0306090120150SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 314415015015015083-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lz -lm -lgomp -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Local Adaptive Thresholding-Oz-O3 -march=native-O3-O2-O1-O020406080100SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3718480817018-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lz -lm -lgomp -lpthread

Hierarchical INTegration

This test runs the U.S. Department of Energy's Ames Laboratory Hierarchical INTegration (HINT) benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgQUIPs, More Is BetterHierarchical INTegration 1.0Test: FLOAT-Oz-O3 -march=native-O3-O2-O1-O070M140M210M280M350MSE +/- 1422860.99, N = 3SE +/- 865143.17, N = 3SE +/- 328417.31, N = 3SE +/- 1309178.89, N = 3SE +/- 452959.10, N = 3SE +/- 392885.93, N = 3314508487.41268576816.54321885788.84322378022.36266823791.59112554681.82-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -lm

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.

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure Solver-Oz-O3 -march=native-O3-O2-O1-O030060090012001500SE +/- 2.77, N = 3SE +/- 0.76, N = 3SE +/- 1.53, N = 3SE +/- 6.85, N = 3SE +/- 8.91, N = 3SE +/- 1.80, N = 31002.241342.941354.291359.011334.47284.58-Oz-march=native-O2-O1-O01. (CC) gcc options: -O3 -mavx2

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.

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3-Oz-O3 -march=native-O3-O2-O1-O0918273645SE +/- 0.23, N = 5SE +/- 0.07, N = 5SE +/- 0.21, N = 5SE +/- 0.12, N = 5SE +/- 0.19, N = 5SE +/- 0.11, N = 516.8815.2214.3813.9515.6837.10-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -pipe -lm

PostgreSQL pgbench

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: Buffer Test - Test: Normal Load - Mode: Read Write-Oz-O3 -march=native-O3-O2-O1-O011002200330044005500SE +/- 34.48, N = 3SE +/- 139.97, N = 6SE +/- 93.61, N = 6SE +/- 90.64, N = 3SE +/- 39.17, N = 3SE +/- 68.30, N = 34736.915092.204597.654968.105049.345007.75-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -fno-strict-aliasing -fwrapv -pthread -pthreads -mthreads -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: Buffer Test - Test: Single Thread - Mode: Read Write-Oz-O3 -march=native-O3-O2-O1-O080160240320400SE +/- 5.12, N = 5SE +/- 4.92, N = 5SE +/- 6.37, N = 3SE +/- 3.72, N = 3SE +/- 6.43, N = 6SE +/- 4.11, N = 3357.32362.58351.75379.00348.86284.51-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -fno-strict-aliasing -fwrapv -pthread -pthreads -mthreads -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: Buffer Test - Test: Heavy Contention - Mode: Read Write-Oz-O3 -march=native-O3-O2-O1-O011002200330044005500SE +/- 79.23, N = 4SE +/- 97.00, N = 6SE +/- 68.69, N = 3SE +/- 5.93, N = 3SE +/- 22.85, N = 3SE +/- 54.54, N = 34911.105342.154630.055050.835209.085176.52-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -fno-strict-aliasing -fwrapv -pthread -pthreads -mthreads -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Redis

Redis is an open-source data structure server. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: LPOP-Oz-O3 -march=native-O3-O2-O1-O0140K280K420K560K700KSE +/- 6559.78, N = 3SE +/- 7141.78, N = 3SE +/- 6373.30, N = 3SE +/- 8627.19, N = 3SE +/- 2297.03, N = 3SE +/- 5474.55, N = 3631316.90624901.33642800.77633016.31642965.38541334.661. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SADD-Oz-O3 -march=native-O3-O2-O1-O0130K260K390K520K650KSE +/- 8371.51, N = 3SE +/- 7782.07, N = 3SE +/- 4485.63, N = 3SE +/- 6002.71, N = 3SE +/- 6376.53, N = 3SE +/- 4708.54, N = 3581864.31587747.73592835.98599041.21587106.65481943.161. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: LPUSH-Oz-O3 -march=native-O3-O2-O1-O0130K260K390K520K650KSE +/- 10683.69, N = 3SE +/- 8620.97, N = 3SE +/- 9549.58, N = 3SE +/- 7327.04, N = 3SE +/- 8816.15, N = 5SE +/- 7778.94, N = 4589078.56575188.23587392.23570314.27585266.59456864.101. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: GET-Oz-O3 -march=native-O3-O2-O1-O0140K280K420K560K700KSE +/- 12112.33, N = 3SE +/- 10103.06, N = 3SE +/- 11447.92, N = 3SE +/- 6780.00, N = 3SE +/- 9198.37, N = 6SE +/- 2815.08, N = 3632178.77642443.67649056.62624757.29625334.40527734.531. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SET-Oz-O3 -march=native-O3-O2-O1-O0130K260K390K520K650KSE +/- 4629.62, N = 3SE +/- 9778.12, N = 4SE +/- 8917.10, N = 3SE +/- 8932.93, N = 3SE +/- 9986.25, N = 3SE +/- 8333.77, N = 3585438.60580208.84582801.37579653.25575054.87468101.811. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Composite-Oz-O3 -march=native-O3-O2-O1-O0400800120016002000SE +/- 12.05, N = 4SE +/- 9.31, N = 4SE +/- 16.52, N = 4SE +/- 11.55, N = 4SE +/- 14.83, N = 4SE +/- 20.39, N = 41812.181918.301793.501802.361807.181803.18-Oz-O3 -march=native-O3-O2-O1-O01. (CXX) g++ options:

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte Carlo-Oz-O3 -march=native-O3-O2-O1-O050100150200250SE +/- 5.01, N = 4SE +/- 4.92, N = 4SE +/- 5.13, N = 4SE +/- 4.95, N = 4SE +/- 5.20, N = 4SE +/- 4.62, N = 4237.11235.58237.63234.76237.83238.14-Oz-O3 -march=native-O3-O2-O1-O01. (CXX) g++ options:

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier Transform-Oz-O3 -march=native-O3-O2-O1-O080160240320400SE +/- 6.36, N = 4SE +/- 6.39, N = 4SE +/- 6.29, N = 4SE +/- 1.41, N = 4SE +/- 6.22, N = 4SE +/- 5.39, N = 4357.50362.39358.05363.59357.19358.28-Oz-O3 -march=native-O3-O2-O1-O01. (CXX) g++ options:

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix Multiply-Oz-O3 -march=native-O3-O2-O1-O06001200180024003000SE +/- 46.34, N = 4SE +/- 44.72, N = 4SE +/- 47.81, N = 4SE +/- 47.39, N = 4SE +/- 51.42, N = 4SE +/- 55.30, N = 42806.622613.772766.532798.012776.502807.96-Oz-O3 -march=native-O3-O2-O1-O01. (CXX) g++ options:

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix Factorization-Oz-O3 -march=native-O3-O2-O1-O011002200330044005500SE +/- 52.55, N = 4SE +/- 23.42, N = 4SE +/- 42.70, N = 4SE +/- 52.48, N = 4SE +/- 50.41, N = 4SE +/- 72.62, N = 44181.894901.044127.104137.164187.614133.95-Oz-O3 -march=native-O3-O2-O1-O01. (CXX) g++ options:

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-Relaxation-Oz-O3 -march=native-O3-O2-O1-O030060090012001500SE +/- 31.89, N = 4SE +/- 32.04, N = 4SE +/- 32.07, N = 4SE +/- 32.10, N = 4SE +/- 33.02, N = 4SE +/- 31.80, N = 41477.781478.721478.191478.301476.741477.57-Oz-O3 -march=native-O3-O2-O1-O01. (CXX) g++ options:

Smallpt

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 Samples-Oz-O3 -march=native-O3-O23691215SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 313121212-Oz-O3 -march=native-O3-O21. (CXX) g++ options: -fopenmp

Timed Apache Compilation

This test times how long it takes to build the Apache HTTP Server. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To Compile-Oz-O3 -march=native-O3-O2-O1-O0510152025SE +/- 0.03, N = 3SE +/- 0.16, N = 3SE +/- 0.13, N = 3SE +/- 0.20, N = 3SE +/- 0.12, N = 3SE +/- 0.12, N = 319.2221.8721.6721.2717.839.25

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.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database Search-Oz-O3 -march=native-O3-O2-O1-O048121620SE +/- 0.44, N = 6SE +/- 0.46, N = 6SE +/- 0.29, N = 6SE +/- 0.60, N = 6SE +/- 0.19, N = 3SE +/- 0.05, N = 315.0914.8015.1314.0215.9912.18-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -pthread -lhmmer -lsquid -lm

Timed PHP Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To Compile-Oz-O3 -march=native-O3-O2-O1-O048121620SE +/- 0.03, N = 3SE +/- 0.06, N = 3SE +/- 0.06, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.00, N = 39.5515.9315.7911.828.934.24-Oz-O3 -march=native-O3-O2-O1-O01. (CC) gcc options: -pedantic -ldl -lz -lm

-O0

Compiler Notes: Optimized build; Built Feb 3 2016 (13:57:10); Default target: x86_64-unknown-linux-gnu; Host CPU: haswell
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 3 February 2016 21:27 by user phoronix.

-O1

Compiler Notes: Optimized build; Built Feb 3 2016 (13:57:10); Default target: x86_64-unknown-linux-gnu; Host CPU: haswell
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 3 February 2016 22:39 by user phoronix.

-O2

Compiler Notes: Optimized build; Built Feb 3 2016 (13:57:10); Default target: x86_64-unknown-linux-gnu; Host CPU: haswell
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 4 February 2016 06:37 by user phoronix.

-Oz

Compiler Notes: Optimized build; Built Feb 3 2016 (13:57:10); Default target: x86_64-unknown-linux-gnu; Host CPU: haswell
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 4 February 2016 08:47 by user phoronix.

-O3

Compiler Notes: Optimized build; Built Feb 3 2016 (13:57:10); Default target: x86_64-unknown-linux-gnu; Host CPU: haswell
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 4 February 2016 07:33 by user phoronix.

-O3 -march=native

Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: PNY CS1211 120GB + 80GB INTEL SSDSCKGW08, Graphics: AMD FirePro V7900 2048MB, Audio: Realtek ALC892, Monitor: ASUS PB278, Network: Intel Connection

OS: Ubuntu 16.04, Kernel: 4.5.0-040500rc1-generic (x86_64) 20160124, Desktop: Unity 7.4.0, Display Server: X Server 1.17.3, Display Driver: radeon 7.6.1, OpenGL: 3.3 Mesa 11.0.8 Gallium 0.4, Compiler: Clang 3.8.0 (SVN 259676) + LLVM 3.8.0, File-System: ext4, Screen Resolution: 2560x1440

Compiler Notes: Optimized build; Built Feb 3 2016 (13:57:10); Default target: x86_64-unknown-linux-gnu; Host CPU: haswell
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 3 February 2016 20:11 by user phoronix.