11 |
|
#include "resolu.h" |
12 |
|
#include "platform.h" |
13 |
|
#include "paths.h" |
14 |
+ |
#include "random.h" |
15 |
|
#include "rmatrix.h" |
16 |
|
#if !defined(_WIN32) && !defined(_WIN64) |
17 |
|
#include <sys/mman.h> |
68 |
|
ncomp = ncompval(s); |
69 |
|
return(1); |
70 |
|
} |
70 |
– |
if (isexpos(s)) { |
71 |
– |
if (fabs(1. - exposval(s)) > 0.04) |
72 |
– |
fputs("Warning - ignoring EXPOSURE setting\n", stderr); |
73 |
– |
return(1); |
74 |
– |
} |
71 |
|
if (formatval(fmt, s)) { |
72 |
|
for (in_type = DTend; --in_type > DTfromHeader; ) |
73 |
|
if (!strcmp(fmt, cm_fmt_id[in_type])) |
150 |
|
int |
151 |
|
checkline(char *s, void *p) |
152 |
|
{ |
153 |
< |
int *xyres = (int *)p; |
154 |
< |
char fmt[MAXFMTLEN]; |
153 |
> |
static int exposWarned = 0; |
154 |
> |
int *xyres = (int *)p; |
155 |
> |
char fmt[MAXFMTLEN]; |
156 |
|
|
157 |
|
if (!strncmp(s, "NCOLS=", 6)) { |
158 |
|
xyres[0] = atoi(s+6); |
172 |
|
return(1); |
173 |
|
} |
174 |
|
if (isexpos(s)) { |
175 |
< |
if (fabs(1. - exposval(s)) > 0.04) |
176 |
< |
fputs("Warning - ignoring EXPOSURE setting\n", stderr); |
175 |
> |
if (!exposWarned && fabs(1. - exposval(s)) > 0.04) { |
176 |
> |
fputs("Warning - ignoring EXPOSURE setting(s)\n", |
177 |
> |
stderr); |
178 |
> |
exposWarned++; |
179 |
> |
} |
180 |
|
return(1); |
181 |
|
} |
182 |
|
if (formatval(fmt, s)) { |
227 |
|
if (!ospec) { |
228 |
|
ospec = "<stdout>"; |
229 |
|
fp = stdout; |
230 |
– |
SET_FILE_BINARY(fp); |
230 |
|
} else if (ospec[0] == '!') { |
231 |
|
if (!(fp = popen(ospec+1, "w"))) { |
232 |
|
fprintf(stderr, "Cannot start: %s\n", ospec); |
233 |
|
return(NULL); |
234 |
|
} |
235 |
< |
SET_FILE_BINARY(fp); |
237 |
< |
} else if (!(fp = fopen(ospec, "wb"))) { |
235 |
> |
} else if (!(fp = fopen(ospec, "w"))) { |
236 |
|
fprintf(stderr, "%s: cannot open for writing\n", ospec); |
237 |
|
return(NULL); |
238 |
|
} |
239 |
+ |
SET_FILE_BINARY(fp); |
240 |
|
newheader("RADIANCE", fp); |
241 |
< |
fputnow(fp); |
241 |
> |
if (cmtx->info) /* prepend matrix metadata */ |
242 |
> |
fputs(cmtx->info, fp); |
243 |
> |
else |
244 |
> |
fputnow(fp); |
245 |
|
if (fno >= 0) |
246 |
|
fprintf(fp, "FRAME=%d\n", fno); |
247 |
|
switch (out_type) { |
379 |
|
return(0); |
380 |
|
} |
381 |
|
|
382 |
+ |
/* allocate a scrambled index array of the specified length */ |
383 |
+ |
int * |
384 |
+ |
scramble(int n) |
385 |
+ |
{ |
386 |
+ |
int *scarr = (int *)malloc(sizeof(int)*n); |
387 |
+ |
int i; |
388 |
+ |
|
389 |
+ |
if (!scarr) { |
390 |
+ |
fprintf(stderr, "Out of memory in scramble(%d)\n", n); |
391 |
+ |
exit(1); |
392 |
+ |
} |
393 |
+ |
for (i = n; i--; ) |
394 |
+ |
scarr[i] = i; |
395 |
+ |
/* perform Fisher-Yates shuffle */ |
396 |
+ |
for (i = 0; i < n-1; i++) { |
397 |
+ |
int ix = irandom(n-i) + i; |
398 |
+ |
int ndx = scarr[i]; |
399 |
+ |
scarr[i] = scarr[ix]; |
400 |
+ |
scarr[ix] = ndx; |
401 |
+ |
} |
402 |
+ |
return(scarr); |
403 |
+ |
} |
404 |
+ |
|
405 |
|
/* run calculation on multiple processes, using memory maps and fork() */ |
406 |
|
int |
407 |
|
multi_process(void) |
414 |
|
int odd = 0; |
415 |
|
char fbuf[512]; |
416 |
|
float *osum; |
417 |
+ |
int *syarr; |
418 |
|
int c; |
419 |
|
/* sanity check */ |
420 |
|
if (sizeof(float) != sizeof(COLORV)) { |
435 |
|
xres, yres, ncomp); |
436 |
|
return(0); |
437 |
|
} |
438 |
+ |
srandom(113*coff + 5669); /* randomize row access for this process */ |
439 |
+ |
syarr = scramble(yres); |
440 |
|
/* run through our unique set of columns */ |
441 |
|
for (c = coff; c < cmtx->ncols; c += nprocs) { |
442 |
|
FILE *fout; |
447 |
|
while (rc-- > 0) { /* map & sum each input file */ |
448 |
|
const int r = odd ? rc : cmtx->nrows-1 - rc; |
449 |
|
const rmx_dtype *cval = rmx_val(cmtx, r, c); |
450 |
< |
long dstart, n; |
450 |
> |
long dstart; |
451 |
|
size_t maplen; |
452 |
|
void *imap; |
453 |
|
FILE *finp; |
454 |
|
float *dst; |
455 |
< |
int i; |
455 |
> |
int i, x; |
456 |
|
for (i = ncomp; i--; ) |
457 |
|
if (cval[i] != 0) break; |
458 |
|
if (i < 0) /* this coefficient is zero, skip */ |
474 |
|
maplen = dstart + yres*xres*i; |
475 |
|
imap = mmap(NULL, maplen, PROT_READ, |
476 |
|
MAP_FILE|MAP_SHARED, fileno(finp), 0); |
477 |
< |
fclose(finp); /* will load from map */ |
477 |
> |
fclose(finp); /* will read from map (randomly) */ |
478 |
|
if (imap == MAP_FAILED) { |
479 |
|
fprintf(stderr, "%s: unable to map input file\n", fbuf); |
480 |
|
return(0); |
481 |
|
} |
482 |
< |
dst = osum; /* -> weighted image sum */ |
483 |
< |
if (in_type == DTfloat) { |
484 |
< |
const float *fvp = (float *)((char *)imap + dstart); |
485 |
< |
for (n = (long)yres*xres; n-- > 0; |
486 |
< |
dst += ncomp, fvp += ncomp) |
487 |
< |
for (i = ncomp; i--; ) |
488 |
< |
dst[i] += cval[i]*fvp[i]; |
489 |
< |
} 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; |
482 |
> |
if (in_type == DTfloat) |
483 |
> |
for (y = yres; y-- > 0; ) { |
484 |
> |
const float *fvp = (float *)((char *)imap + dstart) + |
485 |
> |
(size_t)ncomp*xres*syarr[y]; |
486 |
> |
dst = osum + (size_t)ncomp*xres*syarr[y]; |
487 |
> |
for (x = xres; x-- > 0; dst += ncomp, fvp += ncomp) |
488 |
> |
for (i = ncomp; i--; ) |
489 |
> |
dst[i] += cval[i]*fvp[i]; |
490 |
|
} |
491 |
< |
} |
491 |
> |
else |
492 |
> |
for (y = yres; y-- > 0; ) { |
493 |
> |
const COLRV *cvp = (COLRV *)((char *)imap + dstart) + |
494 |
> |
(ncomp+1L)*xres*syarr[y]; |
495 |
> |
dst = osum + (size_t)ncomp*xres*syarr[y]; |
496 |
> |
for (x = xres; x-- > 0; dst += ncomp, cvp += ncomp+1) { |
497 |
> |
const rmx_dtype fe = cxponent[cvp[ncomp]]; |
498 |
> |
for (i = ncomp; i--; ) |
499 |
> |
dst[i] += cval[i]*(cvp[i]+(rmx_dtype).5)*fe; |
500 |
> |
} |
501 |
> |
} |
502 |
|
munmap(imap, maplen); |
503 |
< |
} /* write out accumulated column result */ |
503 |
> |
} /* write accumulated column picture/matrix */ |
504 |
|
sprintf(fbuf, out_spec, c); |
505 |
|
fout = open_output(fbuf, c); |
506 |
|
if (!fout) |
524 |
|
odd = !odd; /* go back & forth to milk page cache */ |
525 |
|
} |
526 |
|
free(osum); |
527 |
< |
if (coff) /* children return here... */ |
527 |
> |
free(syarr); |
528 |
> |
if (coff) /* child processes return here... */ |
529 |
|
return(1); |
530 |
|
c = 0; /* ...but parent waits for children */ |
531 |
|
while (++coff < nprocs) { |
577 |
|
if ((argc-a < 1) | (argc-a > 2) || argv[a][0] == '-') |
578 |
|
goto userr; |
579 |
|
in_spec = argv[a]; |
580 |
< |
cmtx = rmx_load(argv[a+1], RMPnone); /* may load from stdin */ |
580 |
> |
cmtx = rmx_load(argv[a+1], RMPnone); /* loads from stdin if a+1==argc */ |
581 |
|
if (cmtx == NULL) |
582 |
|
return(1); /* error reported */ |
583 |
+ |
if (nprocs > cmtx->ncols) |
584 |
+ |
nprocs = cmtx->ncols; |
585 |
|
#if defined(_WIN32) || defined(_WIN64) |
586 |
|
if (nprocs > 1) { |
587 |
|
fprintf(stderr, "%s: warning - Windows only allows -N 1\n", argv[0]); |
588 |
|
nprocs = 1; |
589 |
|
} |
590 |
|
#else |
556 |
– |
if (nprocs > cmtx->ncols) |
557 |
– |
nprocs = cmtx->ncols; |
591 |
|
if ((nprocs > 1) & !out_spec) { |
592 |
|
fprintf(stderr, "%s: multi-processing result cannot go to stdout\n", |
593 |
|
argv[0]); |