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Message-ID: <546A9B74.5020807@web.de>
Date: Tue, 18 Nov 2014 01:05:56 +0000
From: Olumide <50295 AT web DOT de>
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To: cygwin AT cygwin DOT com
Subject: Re: cygwin1.dll and cygstdc++-6.dll account for over 70% of application runtime cost
References: <546A96B9 DOT 5060507 AT web DOT de>
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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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