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After integrating the resip stack into our application,
initial profiling showed that we could improve performance significantly by
replacing the STL streams classes that are used for encoding SipMessage
objects. The code is checked in under
branches/b-jmatthewsr-streamperf. Note that at this time only the default
settings for ./configure should be used and repro is currently excluded from
the build. The data attached shows (on win32) a 30-40% overall CPU
reduction when running our application with the STL alternative and a 5-6x
factor improvement running the stand alone encoder test. I would really appreciate some feedback from running the stand-alone
test apps (STL vs alternative) on additional windows hardware as well as true
Linux (not running under virtual machine)/unix/osx machines. I have binaries
for win32 and for linux (fedora 5) that I can send on request. To build
the test app in the branch define/undefine RESIP_USE_STL_STREAMS in
rutil/resipfaststreams.h. The test app is under
resip/stack/test/testSipMsgEncode.cxx. Thanks, -Justin Running the test app with args: test.exe -r 500000
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Attachment:
results.pdf
Description: Adobe PDF document