GCC 8.0 vs. Clang 6.0 AMD EPYC Tuning Comparison

Tests for a future article on Phoronix.

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Audio Encoding 2 Tests
Bioinformatics 2 Tests
C/C++ Compiler Tests 11 Tests
CPU Massive 9 Tests
Creator Workloads 4 Tests
Encoding 2 Tests
HPC - High Performance Computing 3 Tests
Multi-Core 3 Tests
Scientific Computing 3 Tests
Server 3 Tests
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GCC 8.0: x86-64
January 02 2018
 
GCC 8.0: znver1
January 02 2018
 
Clang 6.0: x86-64
January 02 2018
 
Clang 6.0: znver1
January 01 2018
 
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GCC 8.0 vs. Clang 6.0 AMD EPYC Tuning Comparison Tests for a future article on Phoronix. ,,"GCC 8.0: x86-64","GCC 8.0: znver1","Clang 6.0: x86-64","Clang 6.0: znver1" Processor,,AMD EPYC 7601 32-Core @ 2.20GHz (64 Cores),AMD EPYC 7601 32-Core @ 2.20GHz (64 Cores),AMD EPYC 7601 32-Core @ 2.20GHz (64 Cores),AMD EPYC 7601 32-Core @ 2.20GHz (64 Cores) Motherboard,,TYAN B8026T70AE24HR,TYAN B8026T70AE24HR,TYAN B8026T70AE24HR,TYAN B8026T70AE24HR Chipset,,AMD Device 1450,AMD Device 1450,AMD Device 1450,AMD Device 1450 Memory,,126976MB,126976MB,126976MB,126976MB Disk,,280GB INTEL SSDPE21D280GA,280GB INTEL SSDPE21D280GA,280GB INTEL SSDPE21D280GA,280GB INTEL SSDPE21D280GA Graphics,,ASPEED ASPEED Family,ASPEED ASPEED Family,ASPEED ASPEED Family,ASPEED ASPEED Family Monitor,,VE228,VE228,VE228,VE228 Network,,Broadcom Limited NetXtreme BCM5720 Gigabit PCIe,Broadcom Limited NetXtreme BCM5720 Gigabit PCIe,Broadcom Limited NetXtreme BCM5720 Gigabit PCIe,Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS,,Ubuntu 17.10,Ubuntu 17.10,Ubuntu 17.10,Ubuntu 17.10 Kernel,,4.13.0-21-generic (x86_64),4.13.0-21-generic (x86_64),4.13.0-21-generic (x86_64),4.13.0-21-generic (x86_64) Desktop,,GNOME Shell 3.26.1,GNOME Shell 3.26.1,GNOME Shell 3.26.1,GNOME Shell 3.26.1 Display Driver,,modesetting 1.19.5,modesetting 1.19.5,modesetting 1.19.5,modesetting 1.19.5 OpenCL,,OpenCL 1.2 pocl 1.0 LLVM 5.0.0,OpenCL 1.2 pocl 1.0 LLVM 5.0.0,OpenCL 1.2 pocl 1.0 LLVM 5.0.0,OpenCL 1.2 pocl 1.0 LLVM 5.0.0 Compiler,,GCC 8.0.0 20171231 + clang (GCC) 8.0.0 20171231 (experimental) + LLVM 5.0.0,GCC 8.0.0 20171231 + clang (GCC) 8.0.0 20171231 (experimental) + LLVM 5.0.0,Clang 6.0.0 (SVN 321623) + LLVM 6.0.0svn,Clang 6.0.0 (SVN 321623) + LLVM 6.0.0svn File-System,,ext4,ext4,ext4,ext4 Screen Resolution,,1920x1080,1920x1080,1920x1080,1920x1080 System Layer,,vm-other Xen 4.9.0 Hypervisor,vm-other Xen 4.9.0 Hypervisor,vm-other Xen 4.9.0 Hypervisor,vm-other Xen 4.9.0 Hypervisor ,,"GCC 8.0: x86-64","GCC 8.0: znver1","Clang 6.0: x86-64","Clang 6.0: znver1" "GraphicsMagick - Operation: Blur (Iterations/min)",HIB,116,123,101,104 "GraphicsMagick - Operation: Sharpen (Iterations/min)",HIB,157,165,131,136 "GraphicsMagick - Operation: HWB Color Space (Iterations/min)",HIB,177,186,150,155 "GraphicsMagick - Operation: Local Adaptive Thresholding (Iterations/min)",HIB,92,95,97,98 "FFTW - Build: Stock - Size: 2D FFT Size 4096 (Mflops)",HIB,4959.73,5627.83,4660.83,5031.60 "FFTW - Build: Float + SSE - Size: 2D FFT Size 4096 (Mflops)",HIB,,13630,13649,12481 "SciMark - Computational Test: Composite (Mflops)",HIB,1579.48,1680.45,1479.53,1699.32 "SciMark - Computational Test: Monte Carlo (Mflops)",HIB,561.03,555.76,531.38,552.19 "SciMark - Computational Test: Fast Fourier Transform (Mflops)",HIB,233.89,231.09,179.29,226.68 "SciMark - Computational Test: Sparse Matrix Multiply (Mflops)",HIB,2263.87,2259.95,2190.10,2258.64 "SciMark - Computational Test: Dense LU Matrix Factorization (Mflops)",HIB,3513.11,3678.86,3190.43,4034.89 "SciMark - Computational Test: Jacobi Successive Over-Relaxation (Mflops)",HIB,1423.14,1676.62,1110.65,1424.21 "Himeno Benchmark - Poisson Pressure Solver (MFLOPS)",HIB,949.19,935.64,1032.71,1052.47 "TSCP - AI Chess Performance (Nodes/s)",HIB,874251,875085,917658,918269 "ebizzy - (Records/s)",HIB,1126032,1101176,1076648,1145405 "Apache Benchmark - Static Web Page Serving (Reqs/sec)",HIB,9841.30,9791.23,9531.43,9663.93 "SQLite - Test Target: Default Test Directory (sec)",LIB,7.61,7.16,7.53,7.48 "PolyBench-C - Test: 3 Matrix Multiplications (sec)",LIB,60.68,65.45,62.98,62.75 "Timed HMMer Search - Pfam Database Search (sec)",LIB,13.65,12.40,12.85,11.09 "C-Ray - Total Time (sec)",LIB,3.93,3.37,4.53,4.48 "Bullet Physics Engine - Test: Raytests (sec)",LIB,3.12,3.06,3.22,3.18 "Bullet Physics Engine - Test: 3000 Fall (sec)",LIB,5.34,5.27,5.48,5.34 "Bullet Physics Engine - Test: 1000 Stack (sec)",LIB,6.18,5.93,6.30,6.08 "Bullet Physics Engine - Test: 1000 Convex (sec)",LIB,5.44,5.28,5.43,5.31 "Bullet Physics Engine - Test: 136 Ragdolls (sec)",LIB,3.26,3.19,3.28,3.23 "Bullet Physics Engine - Test: Prim Trimesh (sec)",LIB,1.10,1.10,1.10,1.09 "Bullet Physics Engine - Test: Convex Trimesh (sec)",LIB,1.34,1.30,1.33,1.32 "FLAC Audio Encoding - WAV To FLAC (sec)",LIB,7.12,7.45,7.94,6.63 "LAME MP3 Encoding - WAV To MP3 (sec)",LIB,11.10,10.81,11.33,12.81