11 |
|
#include "resolu.h" |
12 |
|
#include "platform.h" |
13 |
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#include "paths.h" |
14 |
+ |
#include "random.h" |
15 |
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#include "rmatrix.h" |
16 |
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#if !defined(_WIN32) && !defined(_WIN64) |
17 |
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#include <sys/mman.h> |
18 |
+ |
#include <sys/wait.h> |
19 |
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#endif |
20 |
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|
21 |
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int nprocs = 1; /* # of calculation processes (Unix) */ |
69 |
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ncomp = ncompval(s); |
70 |
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return(1); |
71 |
|
} |
70 |
– |
if (isexpos(s)) { |
71 |
– |
if (fabs(1. - exposval(s)) > 0.04) |
72 |
– |
fputs("Warning - ignoring EXPOSURE setting\n", stderr); |
73 |
– |
return(1); |
74 |
– |
} |
72 |
|
if (formatval(fmt, s)) { |
73 |
|
for (in_type = DTend; --in_type > DTfromHeader; ) |
74 |
|
if (!strcmp(fmt, cm_fmt_id[in_type])) |
151 |
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int |
152 |
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checkline(char *s, void *p) |
153 |
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{ |
154 |
< |
int *xyres = (int *)p; |
155 |
< |
char fmt[MAXFMTLEN]; |
154 |
> |
static int exposWarned = 0; |
155 |
> |
int *xyres = (int *)p; |
156 |
> |
char fmt[MAXFMTLEN]; |
157 |
|
|
158 |
|
if (!strncmp(s, "NCOLS=", 6)) { |
159 |
|
xyres[0] = atoi(s+6); |
173 |
|
return(1); |
174 |
|
} |
175 |
|
if (isexpos(s)) { |
176 |
< |
if (fabs(1. - exposval(s)) > 0.04) |
177 |
< |
fputs("Warning - ignoring EXPOSURE setting\n", stderr); |
176 |
> |
if (!exposWarned && fabs(1. - exposval(s)) > 0.04) { |
177 |
> |
fputs("Warning - ignoring EXPOSURE setting(s)\n", |
178 |
> |
stderr); |
179 |
> |
exposWarned++; |
180 |
> |
} |
181 |
|
return(1); |
182 |
|
} |
183 |
|
if (formatval(fmt, s)) { |
228 |
|
if (!ospec) { |
229 |
|
ospec = "<stdout>"; |
230 |
|
fp = stdout; |
230 |
– |
SET_FILE_BINARY(fp); |
231 |
|
} else if (ospec[0] == '!') { |
232 |
|
if (!(fp = popen(ospec+1, "w"))) { |
233 |
|
fprintf(stderr, "Cannot start: %s\n", ospec); |
234 |
|
return(NULL); |
235 |
|
} |
236 |
< |
SET_FILE_BINARY(fp); |
237 |
< |
} else if (!(fp = fopen(ospec, "wb"))) { |
236 |
> |
} else if (!(fp = fopen(ospec, "w"))) { |
237 |
|
fprintf(stderr, "%s: cannot open for writing\n", ospec); |
238 |
|
return(NULL); |
239 |
|
} |
240 |
+ |
SET_FILE_BINARY(fp); |
241 |
|
newheader("RADIANCE", fp); |
242 |
< |
fputnow(fp); |
242 |
> |
if (cmtx->info) /* prepend matrix metadata */ |
243 |
> |
fputs(cmtx->info, fp); |
244 |
> |
else |
245 |
> |
fputnow(fp); |
246 |
|
if (fno >= 0) |
247 |
|
fprintf(fp, "FRAME=%d\n", fno); |
248 |
|
switch (out_type) { |
380 |
|
return(0); |
381 |
|
} |
382 |
|
|
383 |
+ |
/* allocate a scrambled index array of the specified length */ |
384 |
+ |
int * |
385 |
+ |
scramble(int n) |
386 |
+ |
{ |
387 |
+ |
int *scarr = (int *)malloc(sizeof(int)*n); |
388 |
+ |
int i; |
389 |
+ |
|
390 |
+ |
if (!scarr) { |
391 |
+ |
fprintf(stderr, "Out of memory in scramble(%d)\n", n); |
392 |
+ |
exit(1); |
393 |
+ |
} |
394 |
+ |
for (i = n; i--; ) |
395 |
+ |
scarr[i] = i; |
396 |
+ |
/* perform Fisher-Yates shuffle */ |
397 |
+ |
for (i = 0; i < n-1; i++) { |
398 |
+ |
int ix = irandom(n-i) + i; |
399 |
+ |
int ndx = scarr[i]; |
400 |
+ |
scarr[i] = scarr[ix]; |
401 |
+ |
scarr[ix] = ndx; |
402 |
+ |
} |
403 |
+ |
return(scarr); |
404 |
+ |
} |
405 |
+ |
|
406 |
|
/* run calculation on multiple processes, using memory maps and fork() */ |
407 |
|
int |
408 |
|
multi_process(void) |
415 |
|
int odd = 0; |
416 |
|
char fbuf[512]; |
417 |
|
float *osum; |
418 |
+ |
int *syarr; |
419 |
|
int c; |
420 |
|
/* sanity check */ |
421 |
|
if (sizeof(float) != sizeof(COLORV)) { |
436 |
|
xres, yres, ncomp); |
437 |
|
return(0); |
438 |
|
} |
439 |
+ |
srandom(113*coff + 5669); /* randomize row access for this process */ |
440 |
+ |
syarr = scramble(yres); |
441 |
|
/* run through our unique set of columns */ |
442 |
|
for (c = coff; c < cmtx->ncols; c += nprocs) { |
443 |
|
FILE *fout; |
448 |
|
while (rc-- > 0) { /* map & sum each input file */ |
449 |
|
const int r = odd ? rc : cmtx->nrows-1 - rc; |
450 |
|
const rmx_dtype *cval = rmx_val(cmtx, r, c); |
451 |
< |
long dstart, n; |
451 |
> |
long dstart; |
452 |
|
size_t maplen; |
453 |
|
void *imap; |
454 |
|
FILE *finp; |
455 |
|
float *dst; |
456 |
< |
int i; |
456 |
> |
int i, x; |
457 |
|
for (i = ncomp; i--; ) |
458 |
|
if (cval[i] != 0) break; |
459 |
|
if (i < 0) /* this coefficient is zero, skip */ |
475 |
|
maplen = dstart + yres*xres*i; |
476 |
|
imap = mmap(NULL, maplen, PROT_READ, |
477 |
|
MAP_FILE|MAP_SHARED, fileno(finp), 0); |
478 |
< |
fclose(finp); /* will load from map */ |
478 |
> |
fclose(finp); /* will read from map (randomly) */ |
479 |
|
if (imap == MAP_FAILED) { |
480 |
|
fprintf(stderr, "%s: unable to map input file\n", fbuf); |
481 |
|
return(0); |
482 |
|
} |
483 |
< |
dst = osum; /* -> weighted image sum */ |
484 |
< |
if (in_type == DTfloat) { |
485 |
< |
const float *fvp = (float *)((char *)imap + dstart); |
486 |
< |
for (n = (long)yres*xres; n-- > 0; |
487 |
< |
dst += ncomp, fvp += ncomp) |
488 |
< |
for (i = ncomp; i--; ) |
489 |
< |
dst[i] += cval[i]*fvp[i]; |
490 |
< |
} else { |
462 |
< |
const COLRV *cvp = (COLRV *)((char *)imap + dstart); |
463 |
< |
for (n = (long)yres*xres; n-- > 0; |
464 |
< |
dst += ncomp, cvp += ncomp+1) { |
465 |
< |
const rmx_dtype fe = cxponent[cvp[ncomp]]; |
466 |
< |
for (i = ncomp; i--; ) |
467 |
< |
dst[i] += cval[i]*(cvp[i]+(rmx_dtype).5)*fe; |
483 |
> |
if (in_type == DTfloat) |
484 |
> |
for (y = yres; y-- > 0; ) { |
485 |
> |
const float *fvp = (float *)((char *)imap + dstart) + |
486 |
> |
(size_t)ncomp*xres*syarr[y]; |
487 |
> |
dst = osum + (size_t)ncomp*xres*syarr[y]; |
488 |
> |
for (x = xres; x-- > 0; dst += ncomp, fvp += ncomp) |
489 |
> |
for (i = ncomp; i--; ) |
490 |
> |
dst[i] += cval[i]*fvp[i]; |
491 |
|
} |
492 |
< |
} |
492 |
> |
else |
493 |
> |
for (y = yres; y-- > 0; ) { |
494 |
> |
const COLRV *cvp = (COLRV *)((char *)imap + dstart) + |
495 |
> |
(ncomp+1L)*xres*syarr[y]; |
496 |
> |
dst = osum + (size_t)ncomp*xres*syarr[y]; |
497 |
> |
for (x = xres; x-- > 0; dst += ncomp, cvp += ncomp+1) { |
498 |
> |
const rmx_dtype fe = cxponent[cvp[ncomp]]; |
499 |
> |
for (i = ncomp; i--; ) |
500 |
> |
dst[i] += cval[i]*(cvp[i]+(rmx_dtype).5)*fe; |
501 |
> |
} |
502 |
> |
} |
503 |
|
munmap(imap, maplen); |
504 |
< |
} /* write out accumulated column result */ |
504 |
> |
} /* write accumulated column picture/matrix */ |
505 |
|
sprintf(fbuf, out_spec, c); |
506 |
|
fout = open_output(fbuf, c); |
507 |
|
if (!fout) |
525 |
|
odd = !odd; /* go back & forth to milk page cache */ |
526 |
|
} |
527 |
|
free(osum); |
528 |
< |
if (coff) /* children return here... */ |
528 |
> |
free(syarr); |
529 |
> |
if (coff) /* child processes return here... */ |
530 |
|
return(1); |
531 |
|
c = 0; /* ...but parent waits for children */ |
532 |
|
while (++coff < nprocs) { |
578 |
|
if ((argc-a < 1) | (argc-a > 2) || argv[a][0] == '-') |
579 |
|
goto userr; |
580 |
|
in_spec = argv[a]; |
581 |
< |
cmtx = rmx_load(argv[a+1], RMPnone); /* may load from stdin */ |
581 |
> |
cmtx = rmx_load(argv[a+1]); /* loads from stdin if a+1==argc */ |
582 |
|
if (cmtx == NULL) |
583 |
|
return(1); /* error reported */ |
584 |
+ |
if (nprocs > cmtx->ncols) |
585 |
+ |
nprocs = cmtx->ncols; |
586 |
|
#if defined(_WIN32) || defined(_WIN64) |
587 |
|
if (nprocs > 1) { |
588 |
|
fprintf(stderr, "%s: warning - Windows only allows -N 1\n", argv[0]); |
589 |
|
nprocs = 1; |
590 |
|
} |
591 |
|
#else |
556 |
– |
if (nprocs > cmtx->ncols) |
557 |
– |
nprocs = cmtx->ncols; |
592 |
|
if ((nprocs > 1) & !out_spec) { |
593 |
|
fprintf(stderr, "%s: multi-processing result cannot go to stdout\n", |
594 |
|
argv[0]); |