mirror of
https://github.com/NGSolve/netgen.git
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128 lines
2.9 KiB
C++
128 lines
2.9 KiB
C++
/**************************************************************************/
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/* File: profiler.cpp */
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/* Author: Joachim Schoeberl */
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/* Date: 19. Apr. 2002 */
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/**************************************************************************/
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#include <myadt.hpp>
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namespace netgen
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{
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//using namespace netgen;
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long int NgProfiler::tottimes[SIZE];
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long int NgProfiler::starttimes[SIZE];
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long int NgProfiler::counts[SIZE];
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string NgProfiler::names[SIZE];
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int NgProfiler::usedcounter[SIZE];
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NgProfiler :: NgProfiler()
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{
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for (int i = 0; i < SIZE; i++)
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{
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tottimes[i] = 0;
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usedcounter[i] = 0;
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}
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total_timer = CreateTimer ("total CPU time");
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StartTimer (total_timer);
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}
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NgProfiler :: ~NgProfiler()
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{
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#ifndef PARALLEL
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StopTimer (total_timer);
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#endif
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//ofstream prof;
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//prof.open("ng.prof");
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// ofstream-constructor may be called after STL-stuff is destructed,
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// which leads to an "order of destruction"-problem,
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// thus we use the C-variant:
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if (getenv ("NGPROFILE"))
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{
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char filename[100];
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#ifdef PARALLEL
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sprintf (filename, "netgen.prof.%d", id);
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#else
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sprintf (filename, "netgen.prof");
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#endif
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if (id == 0) printf ("write profile to file netgen.prof\n");
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FILE *prof = fopen(filename,"w");
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Print (prof);
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fclose(prof);
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}
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}
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// void NgProfiler :: Print (ostream & prof)
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// {
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// for (int i = 0; i < SIZE; i++)
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// if (counts[i] != 0 || usedcounter[i] != 0)
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// {
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// prof.setf (ios::fixed, ios::floatfield);
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// prof.setf (ios::showpoint);
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// prof // << "job " << setw(3) << i
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// << "calls " << setw(8) << counts[i]
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// << ", time " << setprecision(2) << setw(6) << double(tottimes[i]) / CLOCKS_PER_SEC << " sec";
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// if (usedcounter[i])
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// prof << " " << names[i];
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// else
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// prof << " " << i;
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// prof << endl;
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// }
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// }
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void NgProfiler :: Print (FILE * prof)
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{
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for (int i = 0; i < SIZE; i++)
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if (counts[i] != 0 || usedcounter[i] != 0)
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{
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//fprintf(prof,"job %3i calls %8i, time %6.2f sec",i,counts[i],double(tottimes[i]) / CLOCKS_PER_SEC);
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fprintf(prof,"calls %8li, time %6.2f sec",counts[i],double(tottimes[i]) / CLOCKS_PER_SEC);
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if(usedcounter[i])
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fprintf(prof," %s",names[i].c_str());
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else
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fprintf(prof," %i",i);
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fprintf(prof,"\n");
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}
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}
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int NgProfiler :: CreateTimer (const string & name)
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{
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for (int i = SIZE-1; i > 0; i--)
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if(names[i] == name)
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return i;
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for (int i = SIZE-1; i > 0; i--)
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if (!usedcounter[i])
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{
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usedcounter[i] = 1;
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names[i] = name;
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return i;
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}
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return -1;
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}
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void NgProfiler :: ClearTimers ()
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{
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for (int i = 0; i < SIZE; i++)
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{
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tottimes[i] = 0;
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counts[i] = 0;
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}
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}
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NgProfiler prof;
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}
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