ARM GCC 4.7.2 Cortex-A15 Compiler Optimizations

Benchmarking compiler optimization levels on GCC 4.7.2 from a Google Nexus 10 with Samsung Exynos 5 Dual SoC. It's an ARM Cortex-A15 dual-core 1.7GHz processor. Benchmarking by Michael Larabel for a future article on Phoronix.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1302284-FO-ARMGCC47227
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:

C/C++ Compiler Tests 4 Tests
CPU Massive 5 Tests
Creator Workloads 4 Tests
Multi-Core 5 Tests
Renderers 2 Tests
Server CPU Tests 3 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
-Os
February 26 2013
 
-O0
February 25 2013
 
-O1
February 25 2013
 
-O2
February 25 2013
 
-O3
February 25 2013
 
-Ofast
February 26 2013
 
Invert Hiding All Results Option
 

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):

ARM GCC 4.7.2 Cortex-A15 Compiler Optimizations, "Opus Codec Encoding 1.0.1 - WAV, Opus Encode, Opus Decode", Lower Results Are Better "-O3",46.610750198364,46.677400112152,46.669121026993,46.598810911179,46.654930114746 "-O2",47.73507809639,47.972450017929,47.780163049698,47.802646875381,47.721131801605 "-O1",51.641718864441,51.721462965012,51.388083934784,52.250865936279,52.204433917999 "-O0",163.58436703682,163.69272899628,162.94083881378,163.82798600197,163.11989092827 "-Os",55.825360059738,55.816068887711,55.754014968872,55.804682970047,55.680683135986 "-Ofast",45.741739034653,45.793263912201,45.779976844788,45.650985002518,45.672025203705 "Himeno Benchmark 3.0 - Poisson Pressure Solver", Higher Results Are Better "-O3",139.308424,145.457882,139.890774 "-O2",147.126533,144.810805,125.085665,122.8512,148.922998,151.431751 "-O1",106.987528,107.013913,111.701487 "-O0",60.063813,61.00001,60.233893 "-Os",101.413168,103.316132,91.744358,102.967874,101.134978,102.879065 "-Ofast",128.937243,131.70442,127.837381 "Timed PHP Compilation 5.2.9 - Time To Compile", Lower Results Are Better "-O3",283.27561497688,286.33365178108,286.62819099426 "-O2",251.34767699242,252.92812490463,254.00889396667 "-O1",189.88425087929,192.15859413147,192.64950084686 "-O0",116.68125796318,117.31735491753,117.52522492409 "-Os",202.3599190712,204.5782828331,205.35130000114 "-Ofast",285.01004099846,286.69627308846,287.85416793823 "Open FMM Nero2D 2.0.2 - Total Time", Lower Results Are Better "-O3",2149.0483911037 "-O2",2142.9529750347 "-O1",2300.6977698803 "-O0",7634.2400889397 "-Os",3505.7803549767 "-Ofast",2145.4398419857 "GraphicsMagick 1.3.16 - Operation: Blur", Higher Results Are Better "-O3",30,29,30 "-O2",31,32,31 "-O1",30,30,30 "-O0",17,16,16,16 "-Os",29,29,29 "-Ofast",31,31,31 "GraphicsMagick 1.3.16 - Operation: Sharpen", Higher Results Are Better "-O3",23,23,22 "-O2",24,23,22,23,22,22 "-O1",20,19,19 "-O0",7,7,7 "-Os",21,20,20 "-Ofast",23,23,22 "GraphicsMagick 1.3.16 - Operation: Resizing", Higher Results Are Better "-O3",40,40,40 "-O2",40,40,40 "-O1",37,36,36 "-O0",16,16,16 "-Os",36,36,36 "-Ofast",39,39,39 "GraphicsMagick 1.3.16 - Operation: HWB Color Space", Higher Results Are Better "-O3",47,47,47 "-O2",47,47,47 "-O1",47,46,47 "-O0",27,27,27 "-Os",48,48,48 "-Ofast",55,54,57 "GraphicsMagick 1.3.16 - Operation: Local Adaptive Thresholding", Higher Results Are Better "-O3",23,22,22 "-O2",23,22,22 "-O1",20,19,19 "-O0",6,6,6 "-Os",19,19,19 "-Ofast",22,22,22 "C-Ray 1.1 - Total Time", Lower Results Are Better "-O3",342.633,366.148,337.955,348.759,353.636 "-O2",514.23,548.987,509.087,522.021 "-O1",638.382,625.071,726.841,643.347,641.334,644.034 "-O0",907.855,909.103,912.595 "-Os",589.684,594.275,581.169 "-Ofast",331.195,338.718,328.685 "Smallpt 1.0 - Global Illumination Renderer; 100 Samples", Lower Results Are Better "-O3",1305,1293,1292 "-O2",333,324,331 "-O1",363,362,358 "-O0",1438,1372,1355 "-Os",790,783,778 "-Ofast",281,277,278