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#ifndef lint |
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static const char RCSid[] = "$Id: pmapdiag.c,v 2.5 2015/08/18 18:45:55 greg Exp $"; |
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#endif |
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/* |
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================================================================== |
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Photon map diagnostic output and progress reports |
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|
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Roland Schregle (roland.schregle@{hslu.ch, gmail.com}) |
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(c) Fraunhofer Institute for Solar Energy Systems, |
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(c) Lucerne University of Applied Sciences and Arts, |
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supported by the Swiss National Science Foundation (SNSF, #147053) |
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================================================================== |
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|
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*/ |
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|
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|
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|
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#include "pmapdiag.h" |
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#include "pmapdata.h" |
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#include "standard.h" |
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|
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|
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|
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time_t repStartTime, repLastTime = 0; /* Time at start & last report */ |
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unsigned long repProgress, /* Report progress counter */ |
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repComplete; /* Report completion count */ |
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|
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|
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|
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static char* biasCompStats (const PhotonMap *pmap, PhotonMapType type, |
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char *stats) |
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/* Dump bias compensation statistics */ |
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{ |
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unsigned avgBwidth; |
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float avgErr; |
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|
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/* Check if photon map is valid and bias compensated */ |
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if (pmap && pmap -> maxGather > pmap -> minGather) { |
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avgBwidth = pmap -> numDensity |
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? pmap -> totalGathered / pmap -> numDensity : 0, |
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avgErr = pmap -> numDensity |
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? sqrt(pmap -> rmsError / pmap -> numDensity) : 0; |
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|
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sprintf(stats, "%d/%d/%d %s (%.1f/%.1f/%.1f%% error), ", |
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pmap -> minGathered, pmap -> maxGathered, avgBwidth, |
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pmapName [type], |
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100 * pmap -> minError, 100 * pmap -> maxError, 100 * avgErr); |
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|
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return stats; |
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} |
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|
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return NULL; |
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} |
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|
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|
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|
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void pmapBiasCompReport (char *stats) |
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/* Append full bias compensation statistics to stats; interface to rpict's |
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* report() */ |
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{ |
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char tmp [512]; |
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unsigned t; |
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|
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stats [0] = '\0'; |
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|
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for (t = 0; t < NUM_PMAP_TYPES; t++) |
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if (biasCompStats(photonMaps [t], t, tmp)) |
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strcat(stats, tmp); |
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} |
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|
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|
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|
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#ifndef NON_POSIX |
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void pmapPreCompReport() |
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/* Report global photon precomputation progress */ |
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{ |
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extern char *myhostname(); |
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float u, s; |
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char tmp [512]; |
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|
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#ifdef BSD |
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struct rusage rubuf; |
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#else |
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struct tms tbuf; |
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float period; |
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#endif |
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|
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repLastTime = time(NULL); |
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|
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#ifdef BSD |
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getrusage(RUSAGE_SELF, &rubuf); |
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u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec / 1e6; |
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s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec / 1e6; |
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getrusage(RUSAGE_CHILDREN, &rubuf); |
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u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec / 1e6; |
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s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec / 1e6; |
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#else |
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times(&tbuf); |
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|
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#ifdef _SC_CLK_TCK |
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period = 1.0 / sysconf(_SC_CLK_TCK); |
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#else |
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period = 1.0 / 60; |
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#endif |
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|
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u = (tbuf.tms_utime + tbuf.tms_cutime) * period; |
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s = (tbuf.tms_stime + tbuf.tms_cstime) * period; |
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#endif |
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|
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sprintf(errmsg, "%lu precomputed, ", repProgress); |
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|
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/* Append bias compensation stats */ |
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biasCompStats(preCompPmap, PMAP_TYPE_PRECOMP, tmp); |
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strcat(errmsg, tmp); |
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|
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sprintf(tmp, "%4.2f%% after %.3fu %.3fs %.3fr hours on %s\n", |
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100.0 * repProgress / repComplete, u / 3600, s / 3600, |
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(repLastTime - repStartTime) / 3600.0, myhostname()); |
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strcat(errmsg, tmp); |
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|
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eputs(errmsg); |
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fflush(stderr); |
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|
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#ifdef SIGCONT |
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signal(SIGCONT, pmapPreCompReport); |
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#endif |
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} |
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|
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|
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|
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void pmapDistribReport() |
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/* Report photon distribution progress */ |
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{ |
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extern char *myhostname(); |
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float u, s; |
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unsigned t; |
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char tmp [512]; |
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|
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#ifdef BSD |
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struct rusage rubuf; |
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#else |
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struct tms tbuf; |
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float period; |
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#endif |
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|
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repLastTime = time(NULL); |
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|
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#ifdef BSD |
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getrusage(RUSAGE_SELF, &rubuf); |
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u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec / 1e6; |
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s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec / 1e6; |
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getrusage(RUSAGE_CHILDREN, &rubuf); |
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u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec / 1e6; |
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s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec / 1e6; |
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#else |
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times(&tbuf); |
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|
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#ifdef _SC_CLK_TCK |
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period = 1.0 / sysconf(_SC_CLK_TCK); |
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#else |
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period = 1.0 / 60; |
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#endif |
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|
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u = (tbuf.tms_utime + tbuf.tms_cutime) * period; |
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s = (tbuf.tms_stime + tbuf.tms_cstime) * period; |
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#endif |
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|
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sprintf(errmsg, "%lu emitted, ", repProgress); |
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|
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for (t = 0; t < NUM_PMAP_TYPES; t++) |
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if (photonMaps [t]) { |
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sprintf(tmp, "%lu %s, ", |
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photonMaps [t] -> heapEnd, pmapName [t]); |
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strcat(errmsg, tmp); |
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} |
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|
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sprintf(tmp, "%4.2f%% after %.3fu %.3fs %.3fr hours on %s\n", |
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100.0 * repProgress / repComplete, u / 3600, s / 3600, |
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(repLastTime - repStartTime) / 3600.0, myhostname()); |
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|
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strcat(errmsg, tmp); |
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eputs(errmsg); |
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fflush(stderr); |
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|
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#ifndef SIGCONT |
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signal(SIGCONT, pmapDistribReport); |
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#endif |
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} |
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|
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#else /* POSIX */ |
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|
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void pmapPreCompReport() |
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/* Report global photon precomputation progress */ |
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{ |
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char tmp [512]; |
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|
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repLastTime = time(NULL); |
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sprintf(errmsg, "%lu precomputed, ", repProgress); |
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|
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/* Append bias compensation stats */ |
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biasCompStats(preCompPmap, PMAP_TYPE_PRECOMP, tmp); |
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strcat(errmsg, tmp); |
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|
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sprintf(tmp, "%4.2f%% after %5.4f hours\n", |
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100.0 * repProgress / repComplete, |
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(repLastTime - repStartTime) / 3600.0); |
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strcat(errmsg, tmp); |
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|
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eputs(errmsg); |
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fflush(stderr); |
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} |
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|
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|
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|
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void pmapDistribReport() |
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/* Report photon distribution progress */ |
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{ |
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char tmp [512]; |
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unsigned t; |
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|
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repLastTime = time(NULL); |
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sprintf(errmsg, "%lu emitted, ", repProgress); |
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|
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for (t = 0; t < NUM_PMAP_TYPES; t++) |
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if (photonMaps [t]) { |
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sprintf(tmp, "%lu %s, ", |
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photonMaps [t] -> heapEnd, pmapName [t]); |
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strcat(errmsg, tmp); |
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} |
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|
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sprintf(tmp, "%4.2f%% after %5.4f hours\n", |
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100.0 * repProgress / repComplete, |
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(repLastTime - repStartTime) / 3600.0); |
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strcat(errmsg, tmp); |
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|
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eputs(errmsg); |
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fflush(stderr); |
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} |
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#endif |
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|
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