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Re: cygwin1.dll and cygstdc++-6.dll account for over 70% of application runtime cost
- From: Olumide <50295 at web dot de>
- To: cygwin at cygwin dot com
- Date: Tue, 18 Nov 2014 01:05:56 +0000
- Subject: Re: cygwin1.dll and cygstdc++-6.dll account for over 70% of application runtime cost
- Authentication-results: sourceware.org; auth=none
- References: <546A96B9 dot 5060507 at web dot de>
On 18/11/2014 00:45, Olumide wrote:
According to the AMD CodeXL profiler, the modules cygwin1.dll and
cygstdc++-6.dll account for 65.67% and 5.13% respectively of the runtime
of my code. The breakdown is shown below:
Reposting breakdown (hopefully will be less mangled this time)
Function Module Timer samples Timer
samples percent
shmat cygwin1.dll 36357 37.7186
ZN4muto7releaseEP7_cygtls cygwin1.dll 19539 20.2708
ZN4muto7acquireEm cygwin1.dll 16843 17.4738
memmove cygwin1.dll 7906 8.2021
operator new(unsigned int) cygstdc++-6.dll 6470 6.71231
dlfree cygwin1.dll 3350 3.47546
dlmalloc cygwin1.dll 2519 2.61334
malloc cygwin1.dll 1159 1.20241
free cygwin1.dll 799 0.828924
_gcclibcxx_demangle_callback cygstdc++-6.dll 277 0.287374
__wrap__ZdlPv cygwin1.dll 260 0.269738
__wrap__Znwj cygwin1.dll 239 0.247951
operator delete(void*) cygstdc++-6.dll 236 0.244839
malloc cygwin1.dll 216 0.22409
free cygwin1.dll 213 0.220977
tmalloc_small(malloc_state*,..) cygwin1.dll 7 0.00726216
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