GCC 9 Compiler Benchmarking vs. LLVM Clang

Intel Core i9-7980XE benchmarks of GCC 8 / GCC 9 versus LLVM Clang 7 and LLVM Clang 8 compilers on Ubuntu Linux. 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 1811133-SK-GCC9COMPI38
Jump To Table - Results

View

Do Not Show Noisy Results
Do Not Show Results With Incomplete Data
Do Not Show Results With Little Change/Spread
List Notable Results

Limit displaying results to tests within:

Bioinformatics 2 Tests
Chess Test Suite 3 Tests
Timed Code Compilation 3 Tests
C/C++ Compiler Tests 17 Tests
Compression Tests 2 Tests
CPU Massive 26 Tests
Creator Workloads 5 Tests
Cryptography 3 Tests
Encoding 2 Tests
Fortran Tests 2 Tests
HPC - High Performance Computing 7 Tests
Common Kernel Benchmarks 2 Tests
MPI Benchmarks 2 Tests
Multi-Core 17 Tests
Programmer / Developer System Benchmarks 4 Tests
Renderers 2 Tests
Scientific Computing 4 Tests
Server 4 Tests
Server CPU Tests 13 Tests
Single-Threaded 4 Tests
Common Workstation Benchmarks 2 Tests

Statistics

Show Overall Harmonic Mean(s)
Show Overall Geometric Mean
Show Geometric Means Per-Suite/Category
Show Wins / Losses Counts (Pie Chart)
Normalize Results
Remove Outliers Before Calculating Averages

Graph Settings

Force Line Graphs Where Applicable
Convert To Scalar Where Applicable
Prefer Vertical Bar Graphs

Multi-Way Comparison

Condense Multi-Option Tests Into Single Result Graphs

Table

Show Detailed System Result Table

Run Management

Highlight
Result
Hide
Result
Result
Identifier
Performance Per
Dollar
Date
Run
  Test
  Duration
GCC 8.2.0
November 13 2018
  1 Hour, 11 Minutes
GCC 9.0.0 20181112
November 12 2018
  1 Hour, 16 Minutes
Clang 7.0.0
November 13 2018
  1 Hour, 2 Minutes
Clang 8.0.0 20181111
November 13 2018
  56 Minutes
Invert Hiding All Results Option
  1 Hour, 6 Minutes

Only show results where is faster than
Only show results matching title/arguments (delimit multiple options with a comma):
Do not show results matching title/arguments (delimit multiple options with a comma):

GCC 9 Compiler Benchmarking vs. LLVM Clang, "SciMark 2.0 - Computational Test: Composite", Higher Results Are Better "GCC 9.0.0 20181112",2615.14,2608.82,2614.7 "GCC 8.2.0",2617.7,2614.2,2612.1 "Clang 7.0.0",2586.03,2582.92,2581.6 "Clang 8.0.0 20181111",2570.5,2586.72,2573.06 "SciMark 2.0 - Computational Test: Monte Carlo", Higher Results Are Better "GCC 9.0.0 20181112",907.97,904.71,905.44 "GCC 8.2.0",903.92,907.71,906.91 "Clang 7.0.0",717.08,717.09,716.12 "Clang 8.0.0 20181111",716.14,716.94,717.05 "SciMark 2.0 - Computational Test: Fast Fourier Transform", Higher Results Are Better "GCC 9.0.0 20181112",735.19,729.1,730.44 "GCC 8.2.0",727.72,724.9,727.15 "Clang 7.0.0",765.48,767.35,756.4 "Clang 8.0.0 20181111",765.05,771.71,767.02 "SciMark 2.0 - Computational Test: Sparse Matrix Multiply", Higher Results Are Better "GCC 9.0.0 20181112",3297.64,3288.37,3298.83 "GCC 8.2.0",3292.62,3293.87,3297.77 "Clang 7.0.0",3307.08,3295.48,3296.2 "Clang 8.0.0 20181111",3281.35,3299.31,3284.77 "SciMark 2.0 - Computational Test: Dense LU Matrix Factorization", Higher Results Are Better "GCC 9.0.0 20181112",6071.67,6047.82,6070.21 "GCC 8.2.0",6088.09,6074.51,6051.78 "Clang 7.0.0",6476.06,6474.92,6477.31 "Clang 8.0.0 20181111",6426.01,6485.52,6436.8 "SciMark 2.0 - Computational Test: Jacobi Successive Over-Relaxation", Higher Results Are Better "GCC 9.0.0 20181112",2063.21,2074.09,2068.58 "GCC 8.2.0",2076.13,2069.99,2076.86 "Clang 7.0.0",1664.43,1659.74,1661.97 "Clang 8.0.0 20181111",1663.94,1660.15,1659.68 "Crafty 25.2 - Elapsed Time", Higher Results Are Better "GCC 9.0.0 20181112",8453871,8414614,8401705 "GCC 8.2.0",8573649,8563370,8544903 "BLAKE2 20170307 - ", Lower Results Are Better "GCC 9.0.0 20181112",3.53,3.71,3.21,3.03,3.53,3.89,3.71,3.53,4.08,3.89,3.03,2.93 "GCC 8.2.0",3.9,3.38,3.62,3.54,3.38,4.25,3.38,4.06,3.81,3.38,3.38,3.88 "Clang 7.0.0",3.08,3.08,2.91 "Clang 8.0.0 20181111",3.09,3.11,3.09 "LAME MP3 Encoding 3.100 - WAV To MP3", Lower Results Are Better "GCC 9.0.0 20181112",9.7550840377808,9.7387490272522,9.7147679328918 "GCC 8.2.0",10.189718008041,10.13272690773,10.058876991272 "Clang 7.0.0",12.153664112091,12.185284137726,12.137026071548 "Clang 8.0.0 20181111",11.78160405159,11.820165872574,11.798897027969 "libjpeg-turbo tjbench 1.5.3 - Test: Decompression Throughput", Higher Results Are Better "GCC 9.0.0 20181112",183.492316,184.975355,183.242731 "GCC 8.2.0",183.06412,182.870373,183.008143 "Clang 7.0.0",204.380355,203.874864,203.12523 "Clang 8.0.0 20181111",200.512477,197.618661,196.620739 "FFTW 3.3.6 - Build: Float + SSE - Size: 1D FFT Size 2048", Higher Results Are Better "GCC 9.0.0 20181112",59200,59678,59018 "GCC 8.2.0",55334,58875,56847 "Clang 7.0.0",57104,55500,56217 "Clang 8.0.0 20181111",55404,51429,55785,55504,54041 "FFTW 3.3.6 - Build: Float + SSE - Size: 2D FFT Size 2048", Higher Results Are Better "GCC 9.0.0 20181112",20455,20322,20627 "GCC 8.2.0",19963,20036,20042 "Clang 7.0.0",20535,20501,19737 "Clang 8.0.0 20181111",19687,20006,19919 "Timed HMMer Search 2.3.2 - Pfam Database Search", Lower Results Are Better "GCC 9.0.0 20181112",10.611176013947,10.364904165268,10.293217182159 "GCC 8.2.0",10.358316898346,10.16207408905,10.255203008652 "Clang 7.0.0",8.8353559970856,8.4787750244141,8.4650630950928 "Clang 8.0.0 20181111",8.7372260093689,8.4684619903564,8.3614859580994 "Himeno Benchmark 3.0 - Poisson Pressure Solver", Higher Results Are Better "GCC 9.0.0 20181112",3085.620219,3096.172534,3095.703937 "GCC 8.2.0",3080.558545,3096.926542,3090.299847 "Clang 7.0.0",2458.855256,2464.635638,2466.927034 "Clang 8.0.0 20181111",2463.669426,2450.747989,2449.2378 "CloverLeaf - Lagrangian-Eulerian Hydrodynamics", Lower Results Are Better "GCC 9.0.0 20181112",3.1701128482819,3.2218301296234,3.1971731185913 "GCC 8.2.0",2.9660608768463,3.0328109264374,2.9511091709137 "High Performance Conjugate Gradient 3.0 - ", Higher Results Are Better "GCC 9.0.0 20181112",1.21325,1.23298,1.2184 "GCC 8.2.0",1.23157,1.25036,1.26978 "Clang 7.0.0",1.31847,1.34594,1.31993 "Clang 8.0.0 20181111",1.34687,1.34916,1.32219 "Parboil 2.5 - Test: OpenMP LBM", Lower Results Are Better "GCC 9.0.0 20181112",81.01104,81.934845,81.609856 "GCC 8.2.0",79.664795,79.711365,78.69574 "Parboil 2.5 - Test: OpenMP CUTCP", Lower Results Are Better "GCC 9.0.0 20181112",2.436844,2.486942,2.400946 "GCC 8.2.0",2.499705,2.499446,2.389039 "Parboil 2.5 - Test: OpenMP Stencil", Lower Results Are Better "GCC 9.0.0 20181112",7.134834,7.129926,7.30267 "GCC 8.2.0",7.10905,7.069643,7.220199 "Parboil 2.5 - Test: OpenMP MRI Gridding", Lower Results Are Better "GCC 9.0.0 20181112",146.585403,146.394653,147.684433 "GCC 8.2.0",147.911713,145.056808,146.106125 "NAS Parallel Benchmarks 3.3 - Test / Class: BT.A", Higher Results Are Better "GCC 9.0.0 20181112",4486.14,4595.01,4589.7 "GCC 8.2.0",4835.53,4779.24,4888.37 "NAS Parallel Benchmarks 3.3 - Test / Class: EP.C", Higher Results Are Better "GCC 9.0.0 20181112",1260.98,1263.01,1225.53 "GCC 8.2.0",931.07,927.39,916.02 "NAS Parallel Benchmarks 3.3 - Test / Class: FT.A", Higher Results Are Better "GCC 9.0.0 20181112",6711.74,6749.88,6691.48 "GCC 8.2.0",6777.56,6735.83,6755.16 "NAS Parallel Benchmarks 3.3 - Test / Class: FT.B", Higher Results Are Better "GCC 9.0.0 20181112",7175.37,7170.18,7177.09 "GCC 8.2.0",7223.98,7233.05,7202.84 "NAS Parallel Benchmarks 3.3 - Test / Class: SP.A", Higher Results Are Better "GCC 9.0.0 20181112",3826.31,3847.13,3920.52 "GCC 8.2.0",3496.14,3631.89,3497.62 "Xsbench 2017-07-06 - ", Higher Results Are Better "GCC 9.0.0 20181112",4666839,4663024,4664565 "GCC 8.2.0",4662914,4660813,4663458 "Clang 7.0.0",5157603,5154684,5156040 "Clang 8.0.0 20181111",5024374,5019543,5022403 "Timed Apache Compilation 2.4.7 - Time To Compile", Lower Results Are Better "GCC 9.0.0 20181112",22.319646835327,22.310439109802,22.160841941833 "GCC 8.2.0",21.953422784805,22.022430181503,22.182012796402 "Clang 7.0.0",21.109835147858,21.045582056046,21.237410068512 "Clang 8.0.0 20181111",19.754973888397,19.771472930908,19.577008008957 "Stockfish 9 - Total Time", Higher Results Are Better "GCC 9.0.0 20181112",46844776,47752221,46128019 "GCC 8.2.0",48190683,48038566,47254185 "Clang 7.0.0",46457159,45468047,46613915 "Clang 8.0.0 20181111",45721982,45592483,45860778 "7-Zip Compression 16.02 - Compress Speed Test", Higher Results Are Better "GCC 9.0.0 20181112",92730,94053,93527 "GCC 8.2.0",93528,93916,93284 "John The Ripper 1.8.0-jumbo-1 - Test: Blowfish", Higher Results Are Better "GCC 9.0.0 20181112",22247,22042,22231 "GCC 8.2.0",22382,22242,22139 "Clang 7.0.0",27623,27588,27623 "Clang 8.0.0 20181111",25631,25599,25612 "John The Ripper 1.8.0-jumbo-1 - Test: Traditional DES", Higher Results Are Better "GCC 9.0.0 20181112",74118000,74376000,74575000 "GCC 8.2.0",73816000,73831000,70476000 "Clang 7.0.0",101140000,90294000,98375000,101449000,100129000,101516000,96450000,91850000,99097000,100564000,100859000,100727000 "Clang 8.0.0 20181111",100321000,99717000,100211000 "John The Ripper 1.8.0-jumbo-1 - Test: MD5", Higher Results Are Better "GCC 9.0.0 20181112",678585,674524,674870 "GCC 8.2.0",672105,670291,668908 "Clang 7.0.0",812304,808155,777168 "Clang 8.0.0 20181111",820512,818208,818208 "Timed LLVM Compilation 6.0.1 - Time To Compile", Lower Results Are Better "GCC 9.0.0 20181112",219.85083007812 "GCC 8.2.0",223.48091816902 "Clang 7.0.0",216.47422409058 "Clang 8.0.0 20181111",188.63688516617 "Zstd Compression 1.3.4 - Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19", Lower Results Are Better "GCC 9.0.0 20181112",10.683474063873,10.589057922363,10.626853227615 "GCC 8.2.0",10.633302927017,10.617066144943,10.590337991714 "Clang 7.0.0",10.353970050812,10.236569166183,10.211294174194 "Clang 8.0.0 20181111",10.472398042679,10.303918123245,10.25620007515 "m-queens 1.2 - Time To Solve", Lower Results Are Better "GCC 9.0.0 20181112",48.69868683815,48.731204986572,48.742623806 "GCC 8.2.0",48.726593971252,48.753786802292,48.723230838776 "Clang 7.0.0",50.20307302475,50.171412944794,50.205409049988 "Clang 8.0.0 20181111",50.37256193161,50.419934034348,50.440361022949 "Timed Linux Kernel Compilation 4.18 - Time To Compile", Lower Results Are Better "GCC 9.0.0 20181112",47.218328952789,43.522320985794,43.688611984253,43.767440080643,43.452545881271,43.444859027863 "GCC 8.2.0",48.257962942123,43.647961854935,43.71579003334,43.816353082657,43.675448894501,43.926856994629,43.942467927933,43.536093950272,43.846868991852 "AOBench - Size: 2048 x 2048 - Total Time", Lower Results Are Better "GCC 9.0.0 20181112",31.258152008057,31.320780038834,31.369585990906 "GCC 8.2.0",31.436573982239,31.29302406311,31.324612140656 "Clang 7.0.0",32.448760986328,32.225200176239,32.232892036438 "Clang 8.0.0 20181111",32.175323009491,32.185765981674,32.202102899551 "x264 2018-09-25 - H.264 Video Encoding", Higher Results Are Better "GCC 9.0.0 20181112",119.14,129.35,130.04,125.39,131.19,129.5,129.49 "GCC 8.2.0",123.77,128.35,130.45 "Clang 7.0.0",119.06,127.4,128.01,126.36 "Clang 8.0.0 20181111",123.19,126.37,126.65 "C-Ray 1.1 - Total Time - 4K, 16 Rays Per Pixel", Lower Results Are Better "GCC 9.0.0 20181112",33.768,33.734,33.737 "GCC 8.2.0",33.725,33.69,33.686 "Clang 7.0.0",66.781,66.751,66.749 "Clang 8.0.0 20181111",67.074,67.03,67.068 "Memcached mcperf 1.5.10 - Method: Get", Higher Results Are Better "GCC 9.0.0 20181112",109329.2,111639.2,110517.9 "GCC 8.2.0",110259,108073.2,107856.4 "Clang 7.0.0",114844.9,115819.8,116939.1 "Clang 8.0.0 20181111",117351.7,113165,115224.3 "Memcached mcperf 1.5.10 - Method: Set", Higher Results Are Better "GCC 9.0.0 20181112",73047.5,72041,72259.4 "GCC 8.2.0",72281.5,71626.1,71421.2 "Clang 7.0.0",73784.7,73304.2,72104.4 "Clang 8.0.0 20181111",73211.4,73594.2,72221.9 "OpenSSL 1.1.1 - RSA 4096-bit Performance", Higher Results Are Better "GCC 9.0.0 20181112",4673.1,4673.9,4672.9 "GCC 8.2.0",4661.9,4648.1,4665.4 "Clang 7.0.0",4541.8,4548.3,4550.8 "Clang 8.0.0 20181111",4528.4,4546.7,4556.5 "PostgreSQL pgbench 10.3 - Scaling: Buffer Test - Test: Normal Load - Mode: Read Only", Higher Results Are Better "GCC 9.0.0 20181112",500696.204262,499961.342704,499805.202363 "GCC 8.2.0",496593.728842,497141.89241,496453.255639 "Clang 7.0.0",507110.542112,509630.924413,497432.98567 "Clang 8.0.0 20181111",498175.193835,511585.516193,507131.058672 "PostgreSQL pgbench 10.3 - Scaling: Buffer Test - Test: Normal Load - Mode: Read Write", Higher Results Are Better "GCC 9.0.0 20181112",24015.81369,24876.794424,22118.308031,24069.29532,21252.264531,19896.228776,10894.204085,24847.166455,24011.811467 "GCC 8.2.0",24410.97197,24568.754654,22858.702162,23482.878295 "Clang 7.0.0",23523.559628,22061.80916,18900.522979,19344.352021,18917.199708,17821.141411,16328.296303,9437.423268,8336.597493 "Clang 8.0.0 20181111",8144.982335,10598.056289,10675.355763,10754.662779,10382.951393,10412.117369,5968.159442,10649.230761,10686.805467,10600.634386,10604.612045,10671.256459 "ebizzy 0.3 - ", Higher Results Are Better "GCC 9.0.0 20181112",617591,608301,634842 "GCC 8.2.0",617264,599821,604871 "Clang 7.0.0",586917,597172,657362,568135,588537,585566,597341,623553,574270,554830,632435,573845 "Clang 8.0.0 20181111",609570,581958,573270