Hi all,
Following Tuesday's discussion on slowness of IMP on some instances - all should be reminded of the powerful --cpu_profile IMP flag. Just add it to your command line, and IMP will generate a profiling file that you can view with google profiler as a tree:
pprof --gv <your-binary-file> <the-profile-info-file-generated-by-cpu_profile-flag>
it's almost certain you can at least double the performance of your app with a few simple steps. Likely more. Try to apply it to a long process (>60 seconds) so you will profile the interesting parts of your process, and not the overhead of loading files, etc.
p.s. if you don't have pprof, ask our friendly system to put it for you :)
On Fri, Apr 17, 2015 at 2:15 PM, Barak Raveh barak.raveh@gmail.com wrote:
> Hi all, > > Following Tuesday's discussion on slowness of IMP on some instances - all > should be reminded of the powerful --cpu_profile IMP flag. Just add it to > your command line, and IMP will generate a profiling file that you can view > with google profiler as a tree: > > pprof --gv <your-binary-file> > <the-profile-info-file-generated-by-cpu_profile-flag> > > it's almost certain you can at least double the performance of your app > with a few simple steps. Likely more. Try to apply it to a long process > (>60 seconds) so you will profile the interesting parts of your process, > and not the overhead of loading files, etc. > -- > Barak >
On 4/17/15 2:15 PM, Barak Raveh wrote: > Following Tuesday's discussion on slowness of IMP on some instances - > all should be reminded of the powerful --cpu_profile IMP flag. Just add > it to your command line, and IMP will generate a profiling file that you > can view with google profiler as a tree:
See also the page in the manual: http://integrativemodeling.org/nightly/doc/manual/profiling.html
Ben
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Barak Raveh -
Ben Webb