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Less hardcoded benchmarking code 

this allows people to more easily plugin their implementation for
benchmarking purposes.
This commit is contained in:
NRK 2023-06-16 17:17:47 +06:00
parent c6219a5696
commit 706ed3eb68
1 changed files with 48 additions and 66 deletions
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114
qoibench.c
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@ -303,6 +303,18 @@ int opt_noencode = 0;
int opt_norecurse = 0; int opt_norecurse = 0;
int opt_onlytotals = 0; int opt_onlytotals = 0;
enum {
LIBPNG,
STBI,
QOI,
BENCH_COUNT /* must be the last element */
};
static const char *const lib_names[BENCH_COUNT] = {
// NOTE: pad with spaces so everything lines up properly
[LIBPNG] = "libpng: ",
[STBI] = "stbi: ",
[QOI] = "qoi: ",
};
typedef struct { typedef struct {
uint64_t size; uint64_t size;
@ -316,56 +328,34 @@ typedef struct {
uint64_t px; uint64_t px;
int w; int w;
int h; int h;
benchmark_lib_result_t libpng; benchmark_lib_result_t libs[BENCH_COUNT];
benchmark_lib_result_t stbi;
benchmark_lib_result_t qoi;
} benchmark_result_t; } benchmark_result_t;
void benchmark_print_result(benchmark_result_t res) { void benchmark_print_result(benchmark_result_t res) {
res.px /= res.count; res.px /= res.count;
res.raw_size /= 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; double px = res.px;
printf(" decode ms encode ms decode mpps encode mpps size kb rate\n"); printf(" decode ms encode ms decode mpps encode mpps size kb rate\n");
if (!opt_nopng) { for (int i = 0; i < BENCH_COUNT; ++i) {
if (opt_nopng && (i == LIBPNG || i == STBI)) {
continue;
}
res.libs[i].encode_time /= res.count;
res.libs[i].decode_time /= res.count;
res.libs[i].size /= res.count;
printf( printf(
"libpng: %8.1f %8.1f %8.2f %8.2f %8ld %4.1f%%\n", "%s %8.1f %8.1f %8.2f %8.2f %8ld %4.1f%%\n",
(double)res.libpng.decode_time/1000000.0, lib_names[i],
(double)res.libpng.encode_time/1000000.0, (double)res.libs[i].decode_time/1000000.0,
(res.libpng.decode_time > 0 ? px / ((double)res.libpng.decode_time/1000.0) : 0), (double)res.libs[i].encode_time/1000000.0,
(res.libpng.encode_time > 0 ? px / ((double)res.libpng.encode_time/1000.0) : 0), (res.libs[i].decode_time > 0 ? px / ((double)res.libs[i].decode_time/1000.0) : 0),
res.libpng.size/1024, (res.libs[i].encode_time > 0 ? px / ((double)res.libs[i].encode_time/1000.0) : 0),
((double)res.libpng.size/(double)res.raw_size) * 100.0 res.libs[i].size/1024,
); ((double)res.libs[i].size/(double)res.raw_size) * 100.0
printf(
"stbi: %8.1f %8.1f %8.2f %8.2f %8ld %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 %8ld %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"); printf("\n");
} }
@ -440,20 +430,20 @@ benchmark_result_t benchmark_image(const char *path) {
if (!opt_nodecode) { if (!opt_nodecode) {
if (!opt_nopng) { if (!opt_nopng) {
BENCHMARK_FN(opt_nowarmup, opt_runs, res.libpng.decode_time, { BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[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(opt_nowarmup, opt_runs, res.stbi.decode_time, { BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[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(opt_nowarmup, opt_runs, res.qoi.decode_time, { BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[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);
@ -464,21 +454,21 @@ benchmark_result_t benchmark_image(const char *path) {
// Encoding // Encoding
if (!opt_noencode) { if (!opt_noencode) {
if (!opt_nopng) { if (!opt_nopng) {
BENCHMARK_FN(opt_nowarmup, opt_runs, res.libpng.encode_time, { BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[LIBPNG].encode_time, {
int enc_size; int enc_size;
void *enc_p = libpng_encode(pixels, w, h, channels, &enc_size); void *enc_p = libpng_encode(pixels, w, h, channels, &enc_size);
res.libpng.size = enc_size; res.libs[LIBPNG].size = enc_size;
free(enc_p); free(enc_p);
}); });
BENCHMARK_FN(opt_nowarmup, opt_runs, res.stbi.encode_time, { BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[STBI].encode_time, {
int enc_size = 0; int enc_size = 0;
stbi_write_png_to_func(stbi_write_callback, &enc_size, w, h, channels, pixels, 0); stbi_write_png_to_func(stbi_write_callback, &enc_size, w, h, channels, pixels, 0);
res.stbi.size = enc_size; res.libs[STBI].size = enc_size;
}); });
} }
BENCHMARK_FN(opt_nowarmup, opt_runs, res.qoi.encode_time, { BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[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,
@ -486,7 +476,7 @@ benchmark_result_t benchmark_image(const char *path) {
.channels = channels, .channels = channels,
.colorspace = QOI_SRGB .colorspace = QOI_SRGB
}, &enc_size); }, &enc_size);
res.qoi.size = enc_size; res.libs[QOI].size = enc_size;
free(enc_p); free(enc_p);
}); });
} }
@ -549,28 +539,20 @@ void benchmark_directory(const char *path, benchmark_result_t *grand_total) {
dir_total.count++; dir_total.count++;
dir_total.raw_size += res.raw_size; dir_total.raw_size += res.raw_size;
dir_total.px += res.px; dir_total.px += res.px;
dir_total.libpng.encode_time += res.libpng.encode_time; for (int i = 0; i < BENCH_COUNT; ++i) {
dir_total.libpng.decode_time += res.libpng.decode_time; dir_total.libs[i].encode_time += res.libs[i].encode_time;
dir_total.libpng.size += res.libpng.size; dir_total.libs[i].decode_time += res.libs[i].decode_time;
dir_total.stbi.encode_time += res.stbi.encode_time; dir_total.libs[i].size += res.libs[i].size;
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;
grand_total->count++; grand_total->count++;
grand_total->raw_size += res.raw_size; grand_total->raw_size += res.raw_size;
grand_total->px += res.px; grand_total->px += res.px;
grand_total->libpng.encode_time += res.libpng.encode_time; for (int i = 0; i < BENCH_COUNT; ++i) {
grand_total->libpng.decode_time += res.libpng.decode_time; grand_total->libs[i].encode_time += res.libs[i].encode_time;
grand_total->libpng.size += res.libpng.size; grand_total->libs[i].decode_time += res.libs[i].decode_time;
grand_total->stbi.encode_time += res.stbi.encode_time; grand_total->libs[i].size += res.libs[i].size;
grand_total->stbi.decode_time += res.stbi.decode_time; }
grand_total->stbi.size += res.stbi.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);