Skylake Xeon GCC vs. Clang Compiler Optimization Tests

Intel Broadwell-DE 1587

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Audio Encoding 2 Tests
Bioinformatics 2 Tests
Timed Code Compilation 3 Tests
C/C++ Compiler Tests 9 Tests
CPU Massive 10 Tests
Creator Workloads 4 Tests
Encoding 2 Tests
HPC - High Performance Computing 2 Tests
Multi-Core 5 Tests
Programmer / Developer System Benchmarks 3 Tests
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GCC: -O0
February 27 2016
 
GCC: -O1
February 27 2016
 
GCC: -O2
February 28 2016
 
GCC: -O2 -march=native
February 28 2016
 
GCC: -O3
February 28 2016
 
GCC: -O3 -march=native
February 28 2016
 
GCC: -Ofast -march=native
February 28 2016
 
Clang: -O0
February 28 2016
 
Clang: -O1
February 28 2016
 
Clang: -O2
February 28 2016
 
Clang: -O2 -march=native
February 28 2016
 
Clang: -O3
February 29 2016
 
Clang: -O3 -march=native
February 29 2016
 
Clang: -Ofast -march=native
February 29 2016
 
GCC 4.8.5 20150623
May 16 2016
 
GCC 4.8.5 run2
May 16 2016
 
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Skylake Xeon GCC vs. Clang Compiler Optimization Tests Intel Broadwell-DE 1587 ,,"GCC: -O0","GCC: -O1","GCC: -O2","GCC: -O2 -march=native","GCC: -O3","GCC: -O3 -march=native","GCC: -Ofast -march=native","Clang: -O0","Clang: -O1","Clang: -O2","Clang: -O2 -march=native","Clang: -O3","Clang: -O3 -march=native","Clang: -Ofast -march=native","GCC 4.8.5 20150623","GCC 4.8.5 run2" Processor,,Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores),06/56 @ 2.30GHz (32 Cores),06/56 @ 2.30GHz (32 Cores) Motherboard,,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,MSI C236A WORKSTATION (MS-7998) v1.0,Supermicro X10SDV-7TP8F v1.01,Supermicro X10SDV-7TP8F v1.01 Chipset,,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Sky Lake,Intel Xeon E7 v4/Xeon,Intel Xeon E7 v4/Xeon Memory,,16384MB,16384MB,16384MB,16384MB,16384MB,16384MB,16384MB,16384MB,16384MB,16384MB,16384MB,16384MB,16384MB,16384MB,2 x 8192 MB DDR4-2133MHz Micron,2 x 8192 MB DDR4-2133MHz Micron Disk,,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,120GB Samsung SSD 850,240GB Toshiba MKNSSDAT240GB-DX,240GB Toshiba MKNSSDAT240GB-DX Graphics,,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB,ASPEED ASPEED Family,ASPEED ASPEED Family Audio,,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,, Monitor,,DELL P2415Q,DELL P2415Q,DELL P2415Q,DELL P2415Q,DELL P2415Q,DELL P2415Q,DELL P2415Q,DELL P2415Q,DELL P2415Q,DELL P2415Q,DELL P2415Q,DELL P2415Q,DELL P2415Q,DELL P2415Q,, Network,,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection X552 10 GbE SFP+,Intel Connection X552 10 GbE SFP+ OS,,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Ubuntu 16.04,Red Hat Enterprise Linux 7.2,Red Hat Enterprise Linux 7.2 Kernel,,4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),4.4.0-7-generic (x86_64),3.10.0-327.el7.x86_64 (x86_64),3.10.0-327.el7.x86_64 (x86_64) Desktop,,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,Unity 7.4.0,, Display Server,,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,X Server 1.17.3,, Display Driver,,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,radeon 7.6.1,, OpenGL,,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,4.1 Mesa 11.1.2 Gallium 0.4,, Compiler,,GCC 5.3.1 20160222,GCC 5.3.1 20160222,GCC 5.3.1 20160222,GCC 5.3.1 20160222,GCC 5.3.1 20160222,GCC 5.3.1 20160222,GCC 5.3.1 20160222,Clang 3.8.0-+rc2-1~exp1ubuntu2,Clang 3.8.0-+rc2-1~exp1ubuntu2,Clang 3.8.0-+rc2-1~exp1ubuntu2,Clang 3.8.0-+rc2-1~exp1ubuntu2,Clang 3.8.0-+rc2-1~exp1ubuntu2,Clang 3.8.0-+rc2-1~exp1ubuntu2,Clang 3.8.0-+rc2-1~exp1ubuntu2,GCC 4.8.5 20150623,GCC 4.8.5 20150623 File-System,,ext4,ext4,ext4,ext4,ext4,ext4,ext4,ext4,ext4,ext4,ext4,ext4,ext4,ext4,xfs,xfs Screen Resolution,,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,3840x2160,1024x768,1024x768 ,,"GCC: -O0","GCC: -O1","GCC: -O2","GCC: -O2 -march=native","GCC: -O3","GCC: -O3 -march=native","GCC: -Ofast -march=native","Clang: -O0","Clang: -O1","Clang: -O2","Clang: -O2 -march=native","Clang: -O3","Clang: -O3 -march=native","Clang: -Ofast -march=native","GCC 4.8.5 20150623","GCC 4.8.5 run2" "C-Ray - Total Time (sec)",LIB,61.53,43.15,38.19,27.83,19.65,14.60,13.92,57.09,32.34,37.29,36.22,25.61,25.20,20.64,10.10,10.09 "FLAC Audio Encoding - WAV To FLAC (sec)",LIB,37.56,5.97,5.22,4.87,5.10,4.88,4.89,47.95,6.97,6.66,5.26,6.71,5.11,5.05,11.90,11.89 "GraphicsMagick - Operation: Blur (Iterations/min)",HIB,107,170,169,173,170,178,177,75,150,150,150,150,153,153,113,112 "GraphicsMagick - Operation: HWB Color Space (Iterations/min)",HIB,136,226,213,228,228,234,237,100,192,193,196,192,196,198,145,145 "GraphicsMagick - Operation: Local Adaptive Thresholding (Iterations/min)",HIB,22,92,100,103,103,104,104,22,89,100,99,100,102,101,59,59 "Hierarchical INTegration - Test: FLOAT (QUIPs)",HIB,127505415.48,295705864.24,370257620.55,408904948.74,381719210.59,407575756.08,392373251.20,129742642.75,335679881.79,387996153.74,288801639.39,386593550.68,296846752.57,295042490.70,241905166.12,241190797.17 "Himeno Benchmark - Poisson Pressure Solver (MFLOPS)",HIB,496.06,1302.83,2429.37,2653.07,2485.14,2689.91,2757.77,325.27,1931.06,2036.00,1923.64,2001.77,1962.71,2114.80,1343.84,1345.69 "LAME MP3 Encoding - WAV To MP3 (sec)",LIB,30.50,13.25,12.90,11.99,12.10,10.69,9.51,31.95,12.04,12.17,12.03,12.16,11.66,11.10,21.71,21.01 "Redis - Test: GET (Reqs/sec)",HIB,1663526.96,2953039.46,3007445.96,2951037.21,2910194.79,3116395.33,3023321.58,1864548.29,3067218.96,2962310.25,3102899.83,2923813.88,2862656.75,3100373.25,1363657.21,1359989.88 "Redis - Test: SET (Reqs/sec)",HIB,1189110.86,2175575.75,2136957.54,2076614.15,2183433.83,2104521.04,2243907.58,1263741.85,1977929.48,2127555.19,2064604.79,1962280.52,2037699.96,2078148.71,1078008.79,1081861.04 "Timed Apache Compilation - Time To Compile (sec)",LIB,11.08,17.00,23.12,22.84,24.88,25.17,25.16,10.93,18.85,22.36,23.10,22.83,23.07,23.15,29.87,29.88 "Timed HMMer Search - Pfam Database Search (sec)",LIB,26.89,8.86,8.35,8.35,8.17,8.16,8.00,23.23,8.97,8.29,8.29,8.40,8.29,8.12,9.14,9.09 "Timed ImageMagick Compilation - Time To Compile (sec)",LIB,12.23,24.96,39.67,37.57,49.70,48.97,49.99,9.78,31.07,36.53,38.45,49.59,49.63,50.02,32.26,32.14 "Timed PHP Compilation - Time To Compile (sec)",LIB,7.27,13.35,19.12,18.68,21.21,21.68,21.75,6.44,13.58,16.96,17.92,17.59,17.90,17.95,19.19,19.16