GCC 4.9 vs. LLVM Clang 3.5 Linux Compiler Benchmarks

Some early compiler benchmarks of LLVM Clang 3.5 SVN against GCC 4.9.0 RC1 on Ubuntu 14.04 LTS with the Linux 3.13 kernel and using an Intel Core i7 4770K Haswell system. Benchmarks by Michael Larabel for a future article on Phoronix.com.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1404144-KH-CLANG359076
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Audio Encoding 2 Tests
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GCC 4.8.2
April 12 2014
 
GCC 4.9.0 RC1
April 12 2014
 
LLVM Clang 3.5 20140413
April 13 2014
 
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GCC 4.9 vs. LLVM Clang 3.5 Linux Compiler Benchmarks, "Apache Benchmark 2.4.7 - Static Web Page Serving", Higher Results Are Better "GCC 4.8.2",36175.27,35742.3,35796.03 "GCC 4.9.0 RC1",35877.68,35876.57,36106.94 "LLVM Clang 3.5 20140413",36555.92,36439.89,36300.3 "C-Ray 1.1 - Total Time", Lower Results Are Better "GCC 4.8.2",16.991,16.964,16.985 "GCC 4.9.0 RC1",17.099,17.074,17.089 "LLVM Clang 3.5 20140413",25.834,25.848,25.844 "ebizzy 0.3 - Records/s", Higher Results Are Better "GCC 4.8.2",42736,42743,43069 "GCC 4.9.0 RC1",42978,42864,43009 "LLVM Clang 3.5 20140413",43166,43306,43133 "FFmpeg 2.1.1 - H.264 HD To NTSC DV", Lower Results Are Better "GCC 4.8.2",14.050331830978,13.986124992371,13.942679166794 "GCC 4.9.0 RC1",13.822325944901,13.773881912231,13.813294887543 "LLVM Clang 3.5 20140413",13.979460954666,14.02650308609,13.659779071808 "FLAC Audio Encoding 1.3.0 - WAV To FLAC", Lower Results Are Better "GCC 4.8.2",5.1974561214447,4.7492108345032,4.7582221031189,4.755176782608,4.7603299617767,4.7546827793121,4.7909631729126 "GCC 4.9.0 RC1",4.4684829711914,3.6108429431915,3.6101109981537,3.6091771125793,3.6135931015015,3.6135048866272,3.6076159477234,3.6078479290009,3.6055400371552,3.6073222160339 "LLVM Clang 3.5 20140413",4.2053170204163,4.2231140136719,4.227842092514,4.2821731567383,4.2070770263672 "GraphicsMagick 1.3.19 - Operation: Blur", Higher Results Are Better "GCC 4.8.2",170,169,170 "GCC 4.9.0 RC1",166,166,165 "LLVM Clang 3.5 20140413",87,88,87 "GraphicsMagick 1.3.19 - Operation: Sharpen", Higher Results Are Better "GCC 4.8.2",140,140,141 "GCC 4.9.0 RC1",140,140,140 "LLVM Clang 3.5 20140413",60,61,61 "GraphicsMagick 1.3.19 - Operation: Resizing", Higher Results Are Better "GCC 4.8.2",199,198,198 "GCC 4.9.0 RC1",199,199,199 "LLVM Clang 3.5 20140413",95,95,95 "GraphicsMagick 1.3.19 - Operation: HWB Color Space", Higher Results Are Better "GCC 4.8.2",216,216,216 "GCC 4.9.0 RC1",214,214,213 "LLVM Clang 3.5 20140413",155,154,155 "GraphicsMagick 1.3.19 - Operation: Local Adaptive Thresholding", Higher Results Are Better "GCC 4.8.2",96,97,97 "GCC 4.9.0 RC1",102,102,102 "LLVM Clang 3.5 20140413",94,94,93 "Hierarchical INTegration 1.0 - Test: FLOAT", Higher Results Are Better "GCC 4.8.2",367453442.70126,367665150.46822,367310447.82854 "GCC 4.9.0 RC1",373260902.42998,373365608.33004,374396643.7224 "LLVM Clang 3.5 20140413",236291585.22997,239306907.89335,236746492.87242 "Himeno Benchmark 3.0 - Poisson Pressure Solver", Higher Results Are Better "GCC 4.8.2",1802.514035,1815.670425,1812.108871 "GCC 4.9.0 RC1",1825.629842,1828.822796,1830.01184 "LLVM Clang 3.5 20140413",1964.927105,1967.934341,1929.909206 "LAME MP3 Encoding 3.99.3 - WAV To MP3", Lower Results Are Better "GCC 4.8.2",12.565075874329,12.373807191849,12.380798101425,12.410938978195,12.383578062057 "GCC 4.9.0 RC1",10.848040103912,10.879245996475,10.889909029007,10.858016967773,10.867038965225 "LLVM Clang 3.5 20140413",13.397798061371,13.422232151031,13.459995985031,13.588321208954,13.570130109787 "Smallpt 1.0 - Global Illumination Renderer; 100 Samples", Lower Results Are Better "GCC 4.8.2",24,24,24 "LLVM Clang 3.5 20140413",135,135,133 "Timed Apache Compilation 2.4.7 - Time To Compile", Lower Results Are Better "GCC 4.8.2",27.180186986923,27.448930025101,26.789473056793 "GCC 4.9.0 RC1",27.517580986023,27.827749967575,28.292021036148 "LLVM Clang 3.5 20140413",18.075259923935,18.02539396286,17.904271841049 "Timed ImageMagick Compilation 6.8.1-10 - Time To Compile", Lower Results Are Better "GCC 4.8.2",61.056271076202,60.166735887527,59.834871053696 "GCC 4.9.0 RC1",60.65504193306,60.522773981094,60.594660043716 "LLVM Clang 3.5 20140413",29.778294801712,29.326627969742,29.718130111694 "Timed PHP Compilation 5.2.9 - Time To Compile", Lower Results Are Better "GCC 4.8.2",26.385939121246,26.301003932953,26.129988193512 "GCC 4.9.0 RC1",27.076175928116,27.06702709198,27.018481969833 "LLVM Clang 3.5 20140413",16.291174173355,16.274958133698,16.185896873474