Mahmood,
I have comfirmed that sleep() function executes. Besides that,
simulation execution on host machine takes longer but execution time
value (sim_seconds) in stat file does not show a significant difference.
Alinti Mahmood Naderan <[email protected]>
Sanem,
maybe you put sleep() somewhere in the code that never executes! Can
you confirm that by breakpoints?
On 4/4/14, Sanem Arslan <[email protected]> wrote:
Hi all,
I am using classic memory system and I have added several codes to
the "cache_impl.hh" and "blk.hh" files. However I cannot see the
performance overhead of these added codes on the gem5 execution time.
I have increased cache latency parameters from "CacheConfig.py" file
and I can see the values are updated through out the simulation by
looking trace file, but there is no significant impact on execution
time (sim_seconds). There is a post
(http://thread.gmane.org/gmane.comp.emulators.m5.users/15517/focus=15526)
that
claims there is no significant impact of increasing latency because of
optimizations implemented in the cache protocol in Classic Memory.
Moreover I have changed "blk->whenReady" parameter aggresively and I
have put some sleep() functions somewhere in cache structures again,
but there is no effect on the execution time.
How can I observe the performance overhead of my added codes? If you
have any suggestions, please let me know.
By the way, I am using gem5.opt and X86 with full system mode.
Thanks for you time and help.
Sanem.
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Regards,
Mahmood
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