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3 Commits

Author SHA1 Message Date
tTh
82a7050d07 public version of crazy benchmarking 2024-08-15 13:43:12 +02:00
tTh
1b442ece82 add patterns files 2024-08-15 13:39:00 +02:00
tTh
1750225cf9 enable optimize 2024-08-15 13:36:35 +02:00
3 changed files with 39 additions and 14 deletions

View File

@ -20,34 +20,53 @@
\
} while (0)
#define SZPIC 7777
#define SZPIC 5777
double tthi_dtime(void);
void essai_pixcopy(void)
void essai_pixcopy(int usemacro)
{
Image_Desc *alice, *bob;
int x, y;
double T0, T1;
int x, y, foo;
double T0, T1, perpix;
long count;
alice = Image_alloc(SZPIC, SZPIC, IMAGE_RGB);
bob = Image_alloc(SZPIC, SZPIC, IMAGE_RGB);
Image_pattern_000(alice, rand());
T0 = tthi_dtime();
count = 0L;
if (usemacro) {
for (y=0; y<SZPIC; y++) {
for (x=0; x<SZPIC; x++) {
PIXEL_COPY(alice, x, y, bob, x, y);
count++;
}
}
}
else {
for (y=0; y<SZPIC; y++) {
for (x=0; x<SZPIC; x++) {
Image_pixel_copy(alice, x, y, bob, x, y);
count++;
}
}
}
T1 = tthi_dtime();
fprintf(stderr, "count %ld, elapsed %g\n", count, T1-T0);
foo = Image_TGA_save("bob.tga", bob, 0);
if (foo) {
fprintf(stderr, "%s: save -> %d\n", __func__, foo);
}
perpix = (T1-T0) / (double)count;
fprintf(stderr, "%s : %10ld pixels, elapsed %9.6f seconds ==> %5.3g µs/ppix\n",
usemacro ? "macro" : "func ",
count, T1-T0, perpix);
/* end */
}
@ -56,8 +75,9 @@ fprintf(stderr, "count %ld, elapsed %g\n", count, T1-T0);
int main(int argc, char *argv[])
{
int i;
fprintf(stderr, "*** %s is running\n", argv[0]);
fprintf(stderr, "******** %s is running *********\n", argv[0]);
if (argc > 1) {
fprintf(stderr, "argument: %s\n", argv[1]);
@ -65,7 +85,10 @@ if (argc > 1) {
Image_print_sizeof_structs("foo");
}
else {
essai_pixcopy();
for (i=0; i<5; i++) {
essai_pixcopy(0);
essai_pixcopy(1);
}
}
/*

View File

@ -3,7 +3,8 @@
set -e
SRC="testtga.c essais.c operat.c image.c effects.c tele_2.c calculs.c"
SRC="$SRC dither.c television.c"
SRC="$SRC dither.c television.c rgbmask.c sobel4.c tga.c patterns*.c"
echo $SRC ; echo
FLOW="cflow.txt"

View File

@ -14,12 +14,13 @@ HTML_DIR=$(DESTDIR)/html
# pour tracer plein de trucs: -DDEBUG_LEVEL=1
# if IMGCOMMENT, the image comment is written to the TGA file,
# but this files can't be loaded by Xv...
#
# pour coredumper dans les situations graves: -DABORT=1
#
# use -Wmissing-prototypes ?
LIBIMG_OPT=-DFORCE_ABORT=0 -DDEBUG_LEVEL=0 -DIMGCOMMENT=0
CC_OPTS=-Wall -W -g -ansi -O0 -fPIC -no-pie
CC_OPTS=-Wall -W -g -ansi -O1 -fPIC -no-pie
CC_HACKS=-DNEED_ALLOCA_H
CFLAGS= $(CC_OPTS) \