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Small changes to Poor man's profiler
* report results in milliseconds instead of microseconds * report total time spent in block, additionally to mean time * cause compilation error with --enable-stdlib-debug
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@ -8,16 +8,6 @@
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef PMPROF_H
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#define PMPROF_H
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <sys/time.h>
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#endif
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#include <iostream>
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/** How to use this trivial profiler:
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*
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* * at the beginning of the interesting block, just add:
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@ -96,8 +86,24 @@
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*/
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#ifdef _WIN32
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#ifndef PMPROF_H
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#define PMPROF_H
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <sys/time.h>
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#endif
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#include <iomanip>
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#include <iostream>
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#if defined(__GNUG__) && defined(_GLIBCXX_DEBUG)
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#error Profiling is not usable when run-time debugging is in effect
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#endif
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#ifdef _WIN32
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/* This function does not really returns the "time of day",
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* but it will suffice to evaluate elapsed times.
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*/
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@ -125,10 +131,15 @@ public:
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: name_(name), sec_(0), usec_(0), count_(0) {};
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~PMProfStat() {
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if (count_>0)
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std::cerr << "##### " << name_ << ": "
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<< 1.0 * (sec_ * 1000000 + usec_)/ count_
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<< "usec, count=" << count_ << std::endl;
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if (count_>0) {
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double total = 0.001 * (sec_ * 1000000 + usec_);
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std::cerr << std::fixed << std::setprecision(2)
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<< "#pmprof# " << name_ << ": "
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<< total / count_
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<< "msec, count=" << count_
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<< ", total=" << total << "msec"
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<< std::endl;
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}
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}
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void add(const long long s, const long long u) {
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