1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: pmapdiag.c,v 1.7 2016/04/25 18:27:58 taschreg Exp taschreg $"; |
3 |
#endif |
4 |
|
5 |
/* |
6 |
================================================================== |
7 |
Photon map diagnostic output and progress reports |
8 |
|
9 |
Roland Schregle (roland.schregle@{hslu.ch, gmail.com}) |
10 |
(c) Fraunhofer Institute for Solar Energy Systems, |
11 |
(c) Lucerne University of Applied Sciences and Arts, |
12 |
supported by the Swiss National Science Foundation (SNSF, #147053) |
13 |
================================================================== |
14 |
|
15 |
$Id: pmapdiag.c,v 1.7 2016/04/25 18:27:58 taschreg Exp taschreg $ |
16 |
*/ |
17 |
|
18 |
|
19 |
|
20 |
#include "pmapdiag.h" |
21 |
#include "pmapdata.h" |
22 |
#include "standard.h" |
23 |
|
24 |
|
25 |
|
26 |
time_t repStartTime, repLastTime = 0; /* Time at start & last report */ |
27 |
unsigned long repProgress, /* Report progress counter */ |
28 |
repComplete, /* Report completion count */ |
29 |
repEmitted; /* Num emitted photons */ |
30 |
|
31 |
|
32 |
static char* biasCompStats (const PhotonMap *pmap, PhotonMapType type, |
33 |
char *stats) |
34 |
/* Dump bias compensation statistics */ |
35 |
{ |
36 |
unsigned avgBwidth; |
37 |
float avgErr; |
38 |
|
39 |
stats [0] = '\0'; |
40 |
|
41 |
/* Check if photon map is valid and bias compensated */ |
42 |
if (pmap && pmap -> maxGather > pmap -> minGather) { |
43 |
avgBwidth = pmap -> numDensity |
44 |
? pmap -> totalGathered / pmap -> numDensity : 0, |
45 |
avgErr = pmap -> numDensity |
46 |
? sqrt(pmap -> rmsError / pmap -> numDensity) : 0; |
47 |
|
48 |
sprintf(stats, "%d/%d/%d %s photon bwidth (%.1f/%.1f/%.1f%% error), ", |
49 |
pmap -> minGathered, pmap -> maxGathered, avgBwidth, |
50 |
pmapName [type], |
51 |
100 * pmap -> minError, 100 * pmap -> maxError, 100 * avgErr); |
52 |
|
53 |
return stats; |
54 |
} |
55 |
|
56 |
return NULL; |
57 |
} |
58 |
|
59 |
|
60 |
|
61 |
void pmapBiasCompReport (char *stats) |
62 |
/* Append full bias compensation statistics to stats; interface to rpict's |
63 |
* report() */ |
64 |
{ |
65 |
char tmp [512]; |
66 |
unsigned t; |
67 |
|
68 |
stats [0] = '\0'; |
69 |
|
70 |
for (t = 0; t < NUM_PMAP_TYPES; t++) |
71 |
if (biasCompStats(photonMaps [t], t, tmp)) |
72 |
strcat(stats, tmp); |
73 |
} |
74 |
|
75 |
|
76 |
|
77 |
#ifdef PMAP_OOC |
78 |
static char* oocCacheStats (const PhotonMap *pmap, PhotonMapType type, |
79 |
char *stats) |
80 |
/* Dump OOC I/O cache statistics */ |
81 |
{ |
82 |
const OOC_Cache *cache; |
83 |
stats [0] = '\0'; |
84 |
|
85 |
|
86 |
/* Check for photon map is valid and caching enabled */ |
87 |
if (pmap && (cache = pmap -> store.cache) && cache -> numReads) { |
88 |
sprintf(stats, "%ld %s photons cached in %d/%d pages " |
89 |
"(%.1f%% hit, %.1f%% rept, %.1f coll), ", |
90 |
(unsigned long)cache -> pageCnt * cache -> recPerPage, |
91 |
pmapName [type], cache -> pageCnt, cache -> numPages, |
92 |
100.0 * cache -> numHits / cache -> numReads, |
93 |
100.0 * cache -> numRept / cache -> numReads, |
94 |
(float)cache -> numColl / cache -> numReads); |
95 |
|
96 |
return stats; |
97 |
} |
98 |
|
99 |
return NULL; |
100 |
} |
101 |
|
102 |
|
103 |
|
104 |
void pmapOOCCacheReport (char *stats) |
105 |
/* Append full OOC I/O cache statistics to stats; interface to rpict's |
106 |
* report() */ |
107 |
{ |
108 |
char tmp [512]; |
109 |
unsigned t; |
110 |
|
111 |
stats [0] = '\0'; |
112 |
|
113 |
for (t = 0; t < NUM_PMAP_TYPES; t++) |
114 |
if (oocCacheStats(photonMaps [t], t, tmp)) |
115 |
strcat(stats, tmp); |
116 |
} |
117 |
#endif |
118 |
|
119 |
|
120 |
|
121 |
#ifndef NON_POSIX |
122 |
void pmapPreCompReport() |
123 |
/* Report global photon precomputation progress */ |
124 |
{ |
125 |
extern char *myhostname(); |
126 |
float u, s; |
127 |
char tmp [512]; |
128 |
|
129 |
#ifdef BSD |
130 |
struct rusage rubuf; |
131 |
#else |
132 |
struct tms tbuf; |
133 |
float period; |
134 |
#endif |
135 |
|
136 |
repLastTime = time(NULL); |
137 |
|
138 |
#ifdef BSD |
139 |
getrusage(RUSAGE_SELF, &rubuf); |
140 |
u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec / 1e6; |
141 |
s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec / 1e6; |
142 |
getrusage(RUSAGE_CHILDREN, &rubuf); |
143 |
u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec / 1e6; |
144 |
s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec / 1e6; |
145 |
#else |
146 |
times(&tbuf); |
147 |
|
148 |
#ifdef _SC_CLK_TCK |
149 |
period = 1.0 / sysconf(_SC_CLK_TCK); |
150 |
#else |
151 |
period = 1.0 / 60; |
152 |
#endif |
153 |
|
154 |
u = (tbuf.tms_utime + tbuf.tms_cutime) * period; |
155 |
s = (tbuf.tms_stime + tbuf.tms_cstime) * period; |
156 |
#endif |
157 |
|
158 |
sprintf(errmsg, "%lu precomputed, ", repProgress); |
159 |
|
160 |
/* Append bias compensation stats */ |
161 |
biasCompStats(preCompPmap, PMAP_TYPE_PRECOMP, tmp); |
162 |
strcat(errmsg, tmp); |
163 |
|
164 |
sprintf(tmp, "%4.2f%% after %.3fu %.3fs %.3fr hours on %s\n", |
165 |
100.0 * repProgress / repComplete, u / 3600, s / 3600, |
166 |
(repLastTime - repStartTime) / 3600.0, myhostname()); |
167 |
strcat(errmsg, tmp); |
168 |
|
169 |
eputs(errmsg); |
170 |
fflush(stderr); |
171 |
|
172 |
#ifdef SIGCONT |
173 |
signal(SIGCONT, pmapPreCompReport); |
174 |
#endif |
175 |
} |
176 |
|
177 |
|
178 |
|
179 |
void pmapDistribReport() |
180 |
/* Report photon distribution progress */ |
181 |
{ |
182 |
extern char *myhostname(); |
183 |
float u, s; |
184 |
unsigned t; |
185 |
char tmp [512]; |
186 |
|
187 |
#ifdef BSD |
188 |
struct rusage rubuf; |
189 |
#else |
190 |
struct tms tbuf; |
191 |
float period; |
192 |
#endif |
193 |
|
194 |
repLastTime = time(NULL); |
195 |
|
196 |
#ifdef BSD |
197 |
getrusage(RUSAGE_SELF, &rubuf); |
198 |
u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec / 1e6; |
199 |
s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec / 1e6; |
200 |
getrusage(RUSAGE_CHILDREN, &rubuf); |
201 |
u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec / 1e6; |
202 |
s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec / 1e6; |
203 |
#else |
204 |
times(&tbuf); |
205 |
|
206 |
#ifdef _SC_CLK_TCK |
207 |
period = 1.0 / sysconf(_SC_CLK_TCK); |
208 |
#else |
209 |
period = 1.0 / 60; |
210 |
#endif |
211 |
|
212 |
u = (tbuf.tms_utime + tbuf.tms_cutime) * period; |
213 |
s = (tbuf.tms_stime + tbuf.tms_cstime) * period; |
214 |
#endif |
215 |
|
216 |
sprintf(errmsg, "%lu emitted, ", repEmitted); |
217 |
|
218 |
for (t = 0; t < NUM_PMAP_TYPES; t++) |
219 |
if (photonMaps [t]) { |
220 |
sprintf(tmp, "%lu %s, ", photonMaps [t] -> numPhotons, |
221 |
pmapName [t]); |
222 |
strcat(errmsg, tmp); |
223 |
} |
224 |
|
225 |
sprintf(tmp, "%4.2f%% after %.3fu %.3fs %.3fr hours on %s\n", |
226 |
100.0 * repProgress / repComplete, u / 3600, s / 3600, |
227 |
(repLastTime - repStartTime) / 3600.0, myhostname()); |
228 |
|
229 |
strcat(errmsg, tmp); |
230 |
eputs(errmsg); |
231 |
fflush(stderr); |
232 |
|
233 |
#ifndef SIGCONT |
234 |
signal(SIGCONT, pmapDistribReport); |
235 |
#endif |
236 |
} |
237 |
|
238 |
#else /* POSIX */ |
239 |
|
240 |
void pmapPreCompReport() |
241 |
/* Report global photon precomputation progress */ |
242 |
{ |
243 |
char tmp [512]; |
244 |
|
245 |
repLastTime = time(NULL); |
246 |
sprintf(errmsg, "%lu precomputed, ", repProgress); |
247 |
|
248 |
/* Append bias compensation stats */ |
249 |
biasCompStats(preCompPmap, PMAP_TYPE_PRECOMP, tmp); |
250 |
strcat(errmsg, tmp); |
251 |
|
252 |
sprintf(tmp, "%4.2f%% after %5.4f hours\n", |
253 |
100.0 * repProgress / repComplete, |
254 |
(repLastTime - repStartTime) / 3600.0); |
255 |
strcat(errmsg, tmp); |
256 |
|
257 |
eputs(errmsg); |
258 |
fflush(stderr); |
259 |
} |
260 |
|
261 |
|
262 |
|
263 |
void pmapDistribReport() |
264 |
/* Report photon distribution progress */ |
265 |
{ |
266 |
char tmp [512]; |
267 |
unsigned t; |
268 |
|
269 |
repLastTime = time(NULL); |
270 |
sprintf(errmsg, "%lu emitted, ", repEmitted); |
271 |
|
272 |
for (t = 0; t < NUM_PMAP_TYPES; t++) |
273 |
if (photonMaps [t]) { |
274 |
sprintf(tmp, "%lu %s, ", photonMaps [t] -> numPhotons, |
275 |
pmapName [t]); |
276 |
strcat(errmsg, tmp); |
277 |
} |
278 |
|
279 |
sprintf(tmp, "%4.2f%% after %5.4f hours\n", |
280 |
100.0 * repProgress / repComplete, |
281 |
(repLastTime - repStartTime) / 3600.0); |
282 |
strcat(errmsg, tmp); |
283 |
|
284 |
eputs(errmsg); |
285 |
fflush(stderr); |
286 |
} |
287 |
#endif |
288 |
|
289 |
|
290 |
|