OMAP4660 ARM LLVM-Clang On Ubuntu 12.04

Phoronix benchmarks of GCC 4.6 and LLVM/Clang 3.0 from Precise repositories on Ubuntu 12.04 LTS snapshot. Both compilers were using same test profile defaults for compile flags. Testing for a future article on Phoronix.com by Michael Larabel.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1201284-BY-PANDACLAN31
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:

Chess Test Suite 2 Tests
C/C++ Compiler Tests 5 Tests
CPU Massive 4 Tests
Multi-Core 3 Tests
Server CPU Tests 2 Tests
Single-Threaded 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
View Logs
Performance Per
Dollar
Date
Run
  Test
  Duration
GCC 4.6
January 24 2012
 
LLVM-Clang 3.0
January 25 2012
 
Invert Hiding All Results Option
 
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 4.6

Processor: ARMv7 rev 10 (2 Cores), Motherboard: OMAP4 Panda board, Memory: 912MB, Disk: 16GB SD16G, Graphics: Texas Instruments OMAP

OS: Ubuntu 12.04, Kernel: 3.2.0-1404-omap4 (armv7l), Desktop: Unity 2D, Display Server: X Server 1.10.4, Display Driver: fbdev 0.4.2, OpenGL: 2.1 Mesa 7.11, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1024x768

LLVM-Clang 3.0

OS: Ubuntu 12.04, Kernel: 3.2.0-1404-omap4 (armv7l), Desktop: Unity 2D, Display Server: X Server 1.10.4, Display Driver: fbdev 0.4.2, OpenGL: 2.1 Mesa 7.11, Compiler: Clang 4.2.1 + GCC 4.6, File-System: ext4, Screen Resolution: 1024x768

OMAP4660 ARM LLVM-Clang On Ubuntu 12.04OpenBenchmarking.orgPhoronix Test SuiteARMv7 rev 10 (2 Cores)OMAP4 Panda board912MB16GB SD16GTexas Instruments OMAPUbuntu 12.043.2.0-1404-omap4 (armv7l)Unity 2DX Server 1.10.4fbdev 0.4.22.1 Mesa 7.11GCC 4.6Clang 4.2.1 + GCC 4.6ext41024x768ProcessorMotherboardMemoryDiskGraphicsOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilersFile-SystemScreen ResolutionOMAP4660 ARM LLVM-Clang On Ubuntu 12.04 BenchmarksSystem Logs

GCC 4.6 vs. LLVM-Clang 3.0 ComparisonPhoronix Test SuiteBaseline+185.6%+185.6%+371.2%+371.2%+556.8%+556.8%23.6%16.2%J.S.O.R742.2%D.L.M.F686.6%Composite623.4%Monte Carlo591%Read525.5%S.M.M519.8%R.M.W507.7%M.S.A372.6%F.F.T345.6%Total Time317.1%WriteElapsed TimeA.C.P13%2.F.C10.5%SciMarkSciMarkSciMarkSciMarkCacheBenchSciMarkCacheBenchTimed MAFFT AlignmentSciMarkC-RayCacheBenchN-QueensTSCPLZMA CompressionGCC 4.6LLVM-Clang 3.0

OMAP4660 ARM LLVM-Clang On Ubuntu 12.04cachebench: Readcachebench: Writecachebench: Read / Modify / Writec-ray: Total Timecompress-7zip: Compress Speed Testcompress-lzma: 256MB File Compressionmafft: Multiple Sequence Alignmentn-queens: Elapsed Timescimark2: Compositescimark2: Fast Fourier Transformscimark2: Jacobi Successive Over-Relaxationscimark2: Monte Carloscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationtscp: AI Chess PerformanceGCC 4.6LLVM-Clang 3.01015.301443.611480.921961.295421070.19248.761420.9665.9015.15121.8645.0570.8476.6142620162.321783.72243.708180.155481182.291175.701222.519.113.4014.476.5211.439.7437733OpenBenchmarking.org

CacheBench

This is a performance test of CacheBench, which is part of LLCbench. CacheBench is designed to test the memory and cache bandwidth performance Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: ReadGCC 4.6LLVM-Clang 3.02004006008001000SE +/- 2.11, N = 3SE +/- 0.45, N = 31015.30162.32
OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: ReadGCC 4.6LLVM-Clang 3.02004006008001000Min: 1011.16 / Avg: 1015.3 / Max: 1018.05Min: 161.51 / Avg: 162.32 / Max: 163.06

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: WriteGCC 4.6LLVM-Clang 3.0400800120016002000SE +/- 0.40, N = 3SE +/- 2.79, N = 31443.611783.72
OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: WriteGCC 4.6LLVM-Clang 3.030060090012001500Min: 1443.05 / Avg: 1443.61 / Max: 1444.4Min: 1778.89 / Avg: 1783.72 / Max: 1788.55

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Read / Modify / WriteGCC 4.6LLVM-Clang 3.030060090012001500SE +/- 2.02, N = 3SE +/- 0.06, N = 31480.92243.70
OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Read / Modify / WriteGCC 4.6LLVM-Clang 3.030060090012001500Min: 1478.79 / Avg: 1480.92 / Max: 1484.95Min: 243.63 / Avg: 243.7 / Max: 243.81

C-Ray

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 4.6LLVM-Clang 3.02K4K6K8K10KSE +/- 1.15, N = 3SE +/- 3.96, N = 31961.298180.15
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 4.6LLVM-Clang 3.014002800420056007000Min: 1959.59 / Avg: 1961.29 / Max: 1963.48Min: 8172.67 / Avg: 8180.15 / Max: 8186.13

7-Zip Compression

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestGCC 4.6LLVM-Clang 3.0120240360480600SE +/- 1.53, N = 3SE +/- 3.79, N = 3542548
OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestGCC 4.6LLVM-Clang 3.0100200300400500Min: 540 / Avg: 542 / Max: 545Min: 541 / Avg: 548 / Max: 554

LZMA Compression

OpenBenchmarking.orgSeconds, Fewer Is BetterLZMA Compression256MB File CompressionGCC 4.6LLVM-Clang 3.030060090012001500SE +/- 1.61, N = 3SE +/- 2.64, N = 31070.191182.29
OpenBenchmarking.orgSeconds, Fewer Is BetterLZMA Compression256MB File CompressionGCC 4.6LLVM-Clang 3.02004006008001000Min: 1067.33 / Avg: 1070.19 / Max: 1072.9Min: 1178.59 / Avg: 1182.29 / Max: 1187.4

Timed MAFFT Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentGCC 4.6LLVM-Clang 3.030060090012001500SE +/- 0.33, N = 3SE +/- 2.06, N = 3248.761175.70
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentGCC 4.6LLVM-Clang 3.02004006008001000Min: 248.15 / Avg: 248.76 / Max: 249.27Min: 1171.87 / Avg: 1175.7 / Max: 1178.93

N-Queens

OpenBenchmarking.orgSeconds, Fewer Is BetterN-Queens 1.0Elapsed TimeGCC 4.6LLVM-Clang 3.030060090012001500SE +/- 0.03, N = 2SE +/- 0.57, N = 21420.961222.51
OpenBenchmarking.orgSeconds, Fewer Is BetterN-Queens 1.0Elapsed TimeGCC 4.6LLVM-Clang 3.02004006008001000Min: 1420.93 / Avg: 1420.96 / Max: 1421Min: 1221.94 / Avg: 1222.51 / Max: 1223.08

SciMark

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeGCC 4.6LLVM-Clang 3.01530456075SE +/- 0.22, N = 4SE +/- 0.03, N = 465.909.11
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeGCC 4.6LLVM-Clang 3.01326395265Min: 65.51 / Avg: 65.9 / Max: 66.43Min: 9.05 / Avg: 9.11 / Max: 9.17

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformGCC 4.6LLVM-Clang 3.048121620SE +/- 0.11, N = 4SE +/- 0.00, N = 415.153.40
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformGCC 4.6LLVM-Clang 3.048121620Min: 14.81 / Avg: 15.15 / Max: 15.32Min: 3.39 / Avg: 3.4 / Max: 3.41

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationGCC 4.6LLVM-Clang 3.0306090120150SE +/- 0.52, N = 4SE +/- 0.08, N = 4121.8614.47
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationGCC 4.6LLVM-Clang 3.020406080100Min: 120.89 / Avg: 121.86 / Max: 123.23Min: 14.26 / Avg: 14.47 / Max: 14.6

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloGCC 4.6LLVM-Clang 3.01020304050SE +/- 0.36, N = 4SE +/- 0.05, N = 445.056.52
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloGCC 4.6LLVM-Clang 3.0918273645Min: 44.59 / Avg: 45.05 / Max: 46.12Min: 6.4 / Avg: 6.52 / Max: 6.61

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyGCC 4.6LLVM-Clang 3.01632486480SE +/- 0.64, N = 4SE +/- 0.09, N = 470.8411.43
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyGCC 4.6LLVM-Clang 3.01428425670Min: 69.95 / Avg: 70.84 / Max: 72.73Min: 11.27 / Avg: 11.43 / Max: 11.68

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationGCC 4.6LLVM-Clang 3.020406080100SE +/- 0.25, N = 4SE +/- 0.00, N = 476.619.74
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationGCC 4.6LLVM-Clang 3.01530456075Min: 76.28 / Avg: 76.61 / Max: 77.34Min: 9.73 / Avg: 9.74 / Max: 9.74

TSCP

OpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceGCC 4.6LLVM-Clang 3.09K18K27K36K45KSE +/- 14.09, N = 5SE +/- 9.43, N = 54262037733
OpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceGCC 4.6LLVM-Clang 3.07K14K21K28K35KMin: 42593 / Avg: 42620.2 / Max: 42672Min: 37709 / Avg: 37733.4 / Max: 37763

GCC 4.6

Processor: ARMv7 rev 10 (2 Cores), Motherboard: OMAP4 Panda board, Memory: 912MB, Disk: 16GB SD16G, Graphics: Texas Instruments OMAP

OS: Ubuntu 12.04, Kernel: 3.2.0-1404-omap4 (armv7l), Desktop: Unity 2D, Display Server: X Server 1.10.4, Display Driver: fbdev 0.4.2, OpenGL: 2.1 Mesa 7.11, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1024x768

Testing initiated at 24 January 2012 16:25 by user phoronix.

LLVM-Clang 3.0

Processor: ARMv7 rev 10 (2 Cores), Motherboard: OMAP4 Panda board, Memory: 912MB, Disk: 16GB SD16G, Graphics: Texas Instruments OMAP

OS: Ubuntu 12.04, Kernel: 3.2.0-1404-omap4 (armv7l), Desktop: Unity 2D, Display Server: X Server 1.10.4, Display Driver: fbdev 0.4.2, OpenGL: 2.1 Mesa 7.11, Compiler: Clang 4.2.1 + GCC 4.6, File-System: ext4, Screen Resolution: 1024x768

Testing initiated at 25 January 2012 21:14 by user phoronix.