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Recursive traversal; compression ratio; grand total; options to disable some features

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This commit is contained in:
Dominic Szablewski 2021-12-06 13:35:54 +01:00
parent cbb62ea555
commit f45f47c9f0
1 changed files with 231 additions and 120 deletions
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283
qoibench.c
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@ -195,8 +195,12 @@ void png_decode_callback(png_structp png, png_bytep data, png_size_t length) {
read_data->pos += length; read_data->pos += length;
} }
void png_warning_callback(png_structp png_ptr, png_const_charp warning_msg) {
// Ingore warnings about sRGB profiles and such.
}
void *libpng_decode(void *data, int size, int *out_w, int *out_h) { void *libpng_decode(void *data, int size, int *out_w, int *out_h) {
png_structp png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); png_structp png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, png_warning_callback);
if (!png) { if (!png) {
ERROR("png_create_read_struct"); ERROR("png_create_read_struct");
} }
@ -308,6 +312,16 @@ void *fload(const char *path, int *out_size) {
// ----------------------------------------------------------------------------- // -----------------------------------------------------------------------------
// benchmark runner // benchmark runner
int opt_runs = 1;
int opt_nopng = 0;
int opt_nowarmup = 0;
int opt_noverify = 0;
int opt_nodecode = 0;
int opt_noencode = 0;
int opt_norecurse = 0;
typedef struct { typedef struct {
uint64_t size; uint64_t size;
uint64_t encode_time; uint64_t encode_time;
@ -315,6 +329,8 @@ typedef struct {
} benchmark_lib_result_t; } benchmark_lib_result_t;
typedef struct { typedef struct {
int count;
uint64_t raw_size;
uint64_t px; uint64_t px;
int w; int w;
int h; int h;
@ -324,12 +340,59 @@ typedef struct {
} benchmark_result_t; } benchmark_result_t;
void benchmark_print_result(benchmark_result_t res) {
res.px /= res.count;
res.raw_size /= res.count;
res.libpng.encode_time /= res.count;
res.libpng.decode_time /= res.count;
res.libpng.size /= res.count;
res.stbi.encode_time /= res.count;
res.stbi.decode_time /= res.count;
res.stbi.size /= res.count;
res.qoi.encode_time /= res.count;
res.qoi.decode_time /= res.count;
res.qoi.size /= res.count;
double px = res.px;
printf(" decode ms encode ms decode mpps encode mpps size kb rate\n");
if (!opt_nopng) {
printf(
"libpng: %8.1f %8.1f %8.2f %8.2f %8d %4.1f%%\n",
(double)res.libpng.decode_time/1000000.0,
(double)res.libpng.encode_time/1000000.0,
(res.libpng.decode_time > 0 ? px / ((double)res.libpng.decode_time/1000.0) : 0),
(res.libpng.encode_time > 0 ? px / ((double)res.libpng.encode_time/1000.0) : 0),
res.libpng.size/1024,
((double)res.libpng.size/(double)res.raw_size) * 100.0
);
printf(
"stbi: %8.1f %8.1f %8.2f %8.2f %8d %4.1f%%\n",
(double)res.stbi.decode_time/1000000.0,
(double)res.stbi.encode_time/1000000.0,
(res.stbi.decode_time > 0 ? px / ((double)res.stbi.decode_time/1000.0) : 0),
(res.stbi.encode_time > 0 ? px / ((double)res.stbi.encode_time/1000.0) : 0),
res.stbi.size/1024,
((double)res.stbi.size/(double)res.raw_size) * 100.0
);
}
printf(
"qoi: %8.1f %8.1f %8.2f %8.2f %8d %4.1f%%\n",
(double)res.qoi.decode_time/1000000.0,
(double)res.qoi.encode_time/1000000.0,
(res.qoi.decode_time > 0 ? px / ((double)res.qoi.decode_time/1000.0) : 0),
(res.qoi.encode_time > 0 ? px / ((double)res.qoi.encode_time/1000.0) : 0),
res.qoi.size/1024,
((double)res.qoi.size/(double)res.raw_size) * 100.0
);
printf("\n");
}
// Run __VA_ARGS__ a number of times and meassure the time taken. The first // Run __VA_ARGS__ a number of times and meassure the time taken. The first
// run is ignored. // run is ignored.
#define BENCHMARK_FN(RUNS, AVG_TIME, ...) \ #define BENCHMARK_FN(NOWARMUP, RUNS, AVG_TIME, ...) \
do { \ do { \
uint64_t time = 0; \ uint64_t time = 0; \
for (int i = 0; i <= RUNS; i++) { \ for (int i = NOWARMUP; i <= RUNS; i++) { \
uint64_t time_start = ns(); \ uint64_t time_start = ns(); \
__VA_ARGS__ \ __VA_ARGS__ \
uint64_t time_end = ns(); \ uint64_t time_end = ns(); \
@ -341,7 +404,7 @@ typedef struct {
} while (0) } while (0)
benchmark_result_t benchmark_image(const char *path, int runs) { benchmark_result_t benchmark_image(const char *path) {
int encoded_png_size; int encoded_png_size;
int encoded_qoi_size; int encoded_qoi_size;
int w; int w;
@ -358,10 +421,22 @@ benchmark_result_t benchmark_image(const char *path, int runs) {
}, &encoded_qoi_size); }, &encoded_qoi_size);
if (!pixels || !encoded_qoi || !encoded_png) { if (!pixels || !encoded_qoi || !encoded_png) {
ERROR("Error decoding %s\n", path); ERROR("Error decoding %s", path);
}
// Verify QOI Output
if (!opt_noverify) {
qoi_desc dc;
void *pixels_qoi = qoi_decode(encoded_qoi, encoded_qoi_size, &dc, 4);
if (memcmp(pixels, pixels_qoi, w * h * 4) != 0) {
ERROR("QOI roundtrip pixel missmatch for %s", path);
}
free(pixels_qoi);
} }
benchmark_result_t res = {0}; benchmark_result_t res = {0};
res.count = 1;
res.raw_size = w * h * 4;
res.px = w * h; res.px = w * h;
res.w = w; res.w = w;
res.h = h; res.h = h;
@ -369,41 +444,48 @@ benchmark_result_t benchmark_image(const char *path, int runs) {
// Decoding // Decoding
BENCHMARK_FN(runs, res.libpng.decode_time, { if (!opt_nodecode) {
if (!opt_nopng) {
BENCHMARK_FN(opt_nowarmup, opt_runs, res.libpng.decode_time, {
int dec_w, dec_h; int dec_w, dec_h;
void *dec_p = libpng_decode(encoded_png, encoded_png_size, &dec_w, &dec_h); void *dec_p = libpng_decode(encoded_png, encoded_png_size, &dec_w, &dec_h);
free(dec_p); free(dec_p);
}); });
BENCHMARK_FN(runs, res.stbi.decode_time, { BENCHMARK_FN(opt_nowarmup, opt_runs, res.stbi.decode_time, {
int dec_w, dec_h, dec_channels; int dec_w, dec_h, dec_channels;
void *dec_p = stbi_load_from_memory(encoded_png, encoded_png_size, &dec_w, &dec_h, &dec_channels, 4); void *dec_p = stbi_load_from_memory(encoded_png, encoded_png_size, &dec_w, &dec_h, &dec_channels, 4);
free(dec_p); free(dec_p);
}); });
}
BENCHMARK_FN(runs, res.qoi.decode_time, { BENCHMARK_FN(opt_nowarmup, opt_runs, res.qoi.decode_time, {
qoi_desc desc; qoi_desc desc;
void *dec_p = qoi_decode(encoded_qoi, encoded_qoi_size, &desc, 4); void *dec_p = qoi_decode(encoded_qoi, encoded_qoi_size, &desc, 4);
free(dec_p); free(dec_p);
}); });
}
// Encoding // Encoding
BENCHMARK_FN(runs, res.libpng.encode_time, { if (!opt_noencode) {
if (!opt_nopng) {
BENCHMARK_FN(opt_nowarmup, opt_runs, res.libpng.encode_time, {
int enc_size; int enc_size;
void *enc_p = libpng_encode(pixels, w, h, &enc_size); void *enc_p = libpng_encode(pixels, w, h, &enc_size);
res.libpng.size = enc_size; res.libpng.size = enc_size;
free(enc_p); free(enc_p);
}); });
BENCHMARK_FN(runs, res.stbi.encode_time, { BENCHMARK_FN(opt_nowarmup, opt_runs, res.stbi.encode_time, {
int enc_size = 0; int enc_size = 0;
stbi_write_png_to_func(stbi_write_callback, &enc_size, w, h, 4, pixels, 0); stbi_write_png_to_func(stbi_write_callback, &enc_size, w, h, 4, pixels, 0);
res.stbi.size = enc_size; res.stbi.size = enc_size;
}); });
}
BENCHMARK_FN(runs, res.qoi.encode_time, { BENCHMARK_FN(opt_nowarmup, opt_runs, res.qoi.encode_time, {
int enc_size; int enc_size;
void *enc_p = qoi_encode(pixels, &(qoi_desc){ void *enc_p = qoi_encode(pixels, &(qoi_desc){
.width = w, .width = w,
@ -414,6 +496,7 @@ benchmark_result_t benchmark_image(const char *path, int runs) {
res.qoi.size = enc_size; res.qoi.size = enc_size;
free(enc_p); free(enc_p);
}); });
}
free(pixels); free(pixels);
free(encoded_png); free(encoded_png);
@ -422,102 +505,130 @@ benchmark_result_t benchmark_image(const char *path, int runs) {
return res; return res;
} }
void benchmark_print_result(const char *head, benchmark_result_t res) { void benchmark_directory(const char *path, benchmark_result_t *grand_total) {
double px = res.px; DIR *dir = opendir(path);
printf("## %s size: %dx%d\n", head, res.w, res.h); if (!dir) {
printf(" decode ms encode ms decode mpps encode mpps size kb\n"); ERROR("Couldn't open directory %s", path);
printf(
"libpng: %8.1f %8.1f %8.2f %8.2f %8d\n",
(double)res.libpng.decode_time/1000000.0,
(double)res.libpng.encode_time/1000000.0,
(res.libpng.decode_time > 0 ? px / ((double)res.libpng.decode_time/1000.0) : 0),
(res.libpng.encode_time > 0 ? px / ((double)res.libpng.encode_time/1000.0) : 0),
res.libpng.size/1024
);
printf(
"stbi: %8.1f %8.1f %8.2f %8.2f %8d\n",
(double)res.stbi.decode_time/1000000.0,
(double)res.stbi.encode_time/1000000.0,
(res.stbi.decode_time > 0 ? px / ((double)res.stbi.decode_time/1000.0) : 0),
(res.stbi.encode_time > 0 ? px / ((double)res.stbi.encode_time/1000.0) : 0),
res.stbi.size/1024
);
printf(
"qoi: %8.1f %8.1f %8.2f %8.2f %8d\n",
(double)res.qoi.decode_time/1000000.0,
(double)res.qoi.encode_time/1000000.0,
(res.qoi.decode_time > 0 ? px / ((double)res.qoi.decode_time/1000.0) : 0),
(res.qoi.encode_time > 0 ? px / ((double)res.qoi.encode_time/1000.0) : 0),
res.qoi.size/1024
);
printf("\n");
} }
int main(int argc, char **argv) { struct dirent *file;
if (argc < 3) {
printf("Usage: qoibench <iterations> <directory>\n"); if (!opt_norecurse) {
printf("Example: qoibench 10 images/textures/\n"); for (int i = 0; (file = readdir(dir)) != NULL; i++) {
exit(1); if (
file->d_type & DT_DIR &&
strcmp(file->d_name, ".") != 0 &&
strcmp(file->d_name, "..") != 0
) {
char subpath[1024];
snprintf(subpath, 1024, "%s/%s", path, file->d_name);
benchmark_directory(subpath, grand_total);
}
}
rewinddir(dir);
} }
float total_percentage = 0; float total_percentage = 0;
int total_size = 0; int total_size = 0;
benchmark_result_t totals = {0}; benchmark_result_t dir_total = {0};
int runs = atoi(argv[1]); int has_shown_heaad = 0;
DIR *dir = opendir(argv[2]); for (int i = 0; (file = readdir(dir)) != NULL; i++) {
if (runs <=0) {
runs = 1;
}
if (!dir) {
ERROR("Couldn't open directory %s", argv[2]);
}
printf("## Benchmarking %s/*.png -- %d runs\n\n", argv[2], runs);
struct dirent *file;
int count = 0;
for (int i = 0; dir && (file = readdir(dir)) != NULL; i++) {
if (strcmp(file->d_name + strlen(file->d_name) - 4, ".png") != 0) { if (strcmp(file->d_name + strlen(file->d_name) - 4, ".png") != 0) {
continue; continue;
} }
count++;
char *file_path = malloc(strlen(file->d_name) + strlen(argv[2])+8); if (!has_shown_heaad) {
sprintf(file_path, "%s/%s", argv[2], file->d_name); has_shown_heaad = 1;
printf("## Benchmarking %s/*.png -- %d runs\n\n", path, opt_runs);
}
benchmark_result_t res = benchmark_image(file_path, runs); char *file_path = malloc(strlen(file->d_name) + strlen(path)+8);
benchmark_print_result(file_path, res); sprintf(file_path, "%s/%s", path, file->d_name);
benchmark_result_t res = benchmark_image(file_path);
printf("## %s size: %dx%d\n", file_path, res.w, res.h);
benchmark_print_result(res);
free(file_path); free(file_path);
dir_total.count++;
dir_total.raw_size += res.raw_size;
dir_total.px += res.px;
dir_total.libpng.encode_time += res.libpng.encode_time;
dir_total.libpng.decode_time += res.libpng.decode_time;
dir_total.libpng.size += res.libpng.size;
dir_total.stbi.encode_time += res.stbi.encode_time;
dir_total.stbi.decode_time += res.stbi.decode_time;
dir_total.stbi.size += res.stbi.size;
dir_total.qoi.encode_time += res.qoi.encode_time;
dir_total.qoi.decode_time += res.qoi.decode_time;
dir_total.qoi.size += res.qoi.size;
totals.px += res.px; grand_total->count++;
totals.libpng.encode_time += res.libpng.encode_time; grand_total->raw_size += res.raw_size;
totals.libpng.decode_time += res.libpng.decode_time; grand_total->px += res.px;
totals.libpng.size += res.libpng.size; grand_total->libpng.encode_time += res.libpng.encode_time;
totals.stbi.encode_time += res.stbi.encode_time; grand_total->libpng.decode_time += res.libpng.decode_time;
totals.stbi.decode_time += res.stbi.decode_time; grand_total->libpng.size += res.libpng.size;
totals.stbi.size += res.stbi.size; grand_total->stbi.encode_time += res.stbi.encode_time;
totals.qoi.encode_time += res.qoi.encode_time; grand_total->stbi.decode_time += res.stbi.decode_time;
totals.qoi.decode_time += res.qoi.decode_time; grand_total->stbi.size += res.stbi.size;
totals.qoi.size += res.qoi.size; grand_total->qoi.encode_time += res.qoi.encode_time;
grand_total->qoi.decode_time += res.qoi.decode_time;
grand_total->qoi.size += res.qoi.size;
} }
closedir(dir); closedir(dir);
totals.px /= count; if (dir_total.count > 0) {
totals.libpng.encode_time /= count; printf("## Total for %s\n", path);
totals.libpng.decode_time /= count; benchmark_print_result(dir_total);
totals.libpng.size /= count; }
totals.stbi.encode_time /= count; }
totals.stbi.decode_time /= count;
totals.stbi.size /= count;
totals.qoi.encode_time /= count;
totals.qoi.decode_time /= count;
totals.qoi.size /= count;
benchmark_print_result("Totals (AVG)", totals); int main(int argc, char **argv) {
if (argc < 3) {
printf("Usage: qoibench <iterations> <directory> [options]\n");
printf("Options:\n");
printf(" --nowarmup ... don't perform a warmup run\n");
printf(" --nopng ...... don't run png encode/decode\n");
printf(" --noverify ... don't verify qoi roundtrip\n");
printf(" --noencode ... don't run encoders\n");
printf(" --nodecode ... don't run decoders\n");
printf(" --norecurse .. don't descend into directories\n");
printf("Examples\n");
printf(" qoibench 10 images/textures/\n");
printf(" qoibench 1 images/textures/ --nopng --nowarmup\n");
exit(1);
}
for (int i = 3; i < argc; i++) {
if (strcmp(argv[i], "--nowarmup") == 0) { opt_nowarmup = 1; }
else if (strcmp(argv[i], "--nopng") == 0) { opt_nopng = 1; }
else if (strcmp(argv[i], "--noverify") == 0) { opt_noverify = 1; }
else if (strcmp(argv[i], "--noencode") == 0) { opt_noencode = 1; }
else if (strcmp(argv[i], "--nodecode") == 0) { opt_nodecode = 1; }
else if (strcmp(argv[i], "--norecurse") == 0) { opt_norecurse = 1; }
else { ERROR("Unknown option %s", argv[i]); }
}
opt_runs = atoi(argv[1]);
if (opt_runs <=0) {
ERROR("Invalid number of runs %d", opt_runs);
}
benchmark_result_t grand_total = {0};
benchmark_directory(argv[2], &grand_total);
if (grand_total.count > 0) {
printf("# Grand total for %s\n", argv[2]);
benchmark_print_result(grand_total);
}
else {
printf("No images found in %s\n", argv[2]);
}
return 0; return 0;
} }