Difference between revisions of "Benchmarking: Coremark"
Jump to navigation
Jump to search
| Line 9: | Line 9: | ||
* Change '''<code>PORT_CFLAGS</code>''' value to '''<code>-O3</code>''' | * Change '''<code>PORT_CFLAGS</code>''' value to '''<code>-O3</code>''' | ||
* Add extra flags to the end of the '''<code>CFLAGS</code>''' statement | * Add extra flags to the end of the '''<code>CFLAGS</code>''' statement | ||
| − | For example: | + | For example (added <code>-funroll-all-loops --param max-inline-insns-auto=200</code>): |
<syntaxhighlight> | <syntaxhighlight> | ||
CC = gcc | CC = gcc | ||
Revision as of 14:47, 1 April 2014
Decompress
root@jph1:~# tar zxvf coremark_v1.0
cd coremark_v1.0Adjust compilation flags
Seems to be in ./linux64/core_portme.mak
- Change
PORT_CFLAGSvalue to-O3 - Add extra flags to the end of the
CFLAGSstatement
For example (added -funroll-all-loops --param max-inline-insns-auto=200):
CC = gcc
# Flag: CFLAGS
# Use this flag to define compiler options. Note, you can add compiler options from the command line using XCFLAGS="other flags"
PORT_CFLAGS = -O3
FLAGS_STR = "$(PORT_CFLAGS) $(XCFLAGS) $(XLFLAGS) $(LFLAGS_END)"
CFLAGS = $(PORT_CFLAGS) -I$(PORT_DIR) -I. -DFLAGS_STR=\"$(FLAGS_STR)\" -funroll-all-loops --param max-inline-insns-auto=200Run benchmark
Run benchmark with
make</code>:
<syntaxhighlight>
root@jph1:~/coremark_v1.0# pwd
/root/coremark_v1.0
root@jph1:~/coremark_v1.0# makeIf you have a fast system (faster than a RaspberryPi), increase the number of iterations to increase the test run to give a more meaningful result:
root@jph1:~/coremark_v1.0# make ITERATIONS=10