Less hardcoded benchmarking code
this allows people to more easily plugin their implementation for benchmarking purposes.
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NRK
parent
c6219a5696
commit
706ed3eb68
114
qoibench.c
114
qoibench.c
@ -303,6 +303,18 @@ int opt_noencode = 0;
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int opt_norecurse = 0;
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int opt_onlytotals = 0;
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enum {
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LIBPNG,
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STBI,
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QOI,
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BENCH_COUNT /* must be the last element */
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};
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static const char *const lib_names[BENCH_COUNT] = {
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// NOTE: pad with spaces so everything lines up properly
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[LIBPNG] = "libpng: ",
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[STBI] = "stbi: ",
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[QOI] = "qoi: ",
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};
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typedef struct {
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uint64_t size;
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@ -316,56 +328,34 @@ typedef struct {
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uint64_t px;
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int w;
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int h;
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benchmark_lib_result_t libpng;
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benchmark_lib_result_t stbi;
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benchmark_lib_result_t qoi;
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benchmark_lib_result_t libs[BENCH_COUNT];
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} benchmark_result_t;
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void benchmark_print_result(benchmark_result_t res) {
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res.px /= res.count;
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res.raw_size /= res.count;
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res.libpng.encode_time /= res.count;
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res.libpng.decode_time /= res.count;
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res.libpng.size /= res.count;
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res.stbi.encode_time /= res.count;
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res.stbi.decode_time /= res.count;
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res.stbi.size /= res.count;
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res.qoi.encode_time /= res.count;
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res.qoi.decode_time /= res.count;
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res.qoi.size /= res.count;
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double px = res.px;
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printf(" decode ms encode ms decode mpps encode mpps size kb rate\n");
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if (!opt_nopng) {
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printf(" decode ms encode ms decode mpps encode mpps size kb rate\n");
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for (int i = 0; i < BENCH_COUNT; ++i) {
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if (opt_nopng && (i == LIBPNG || i == STBI)) {
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continue;
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}
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res.libs[i].encode_time /= res.count;
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res.libs[i].decode_time /= res.count;
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res.libs[i].size /= res.count;
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printf(
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"libpng: %8.1f %8.1f %8.2f %8.2f %8ld %4.1f%%\n",
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(double)res.libpng.decode_time/1000000.0,
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(double)res.libpng.encode_time/1000000.0,
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(res.libpng.decode_time > 0 ? px / ((double)res.libpng.decode_time/1000.0) : 0),
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(res.libpng.encode_time > 0 ? px / ((double)res.libpng.encode_time/1000.0) : 0),
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res.libpng.size/1024,
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((double)res.libpng.size/(double)res.raw_size) * 100.0
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);
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printf(
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"stbi: %8.1f %8.1f %8.2f %8.2f %8ld %4.1f%%\n",
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(double)res.stbi.decode_time/1000000.0,
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(double)res.stbi.encode_time/1000000.0,
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(res.stbi.decode_time > 0 ? px / ((double)res.stbi.decode_time/1000.0) : 0),
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(res.stbi.encode_time > 0 ? px / ((double)res.stbi.encode_time/1000.0) : 0),
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res.stbi.size/1024,
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((double)res.stbi.size/(double)res.raw_size) * 100.0
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"%s %8.1f %8.1f %8.2f %8.2f %8ld %4.1f%%\n",
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lib_names[i],
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(double)res.libs[i].decode_time/1000000.0,
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(double)res.libs[i].encode_time/1000000.0,
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(res.libs[i].decode_time > 0 ? px / ((double)res.libs[i].decode_time/1000.0) : 0),
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(res.libs[i].encode_time > 0 ? px / ((double)res.libs[i].encode_time/1000.0) : 0),
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res.libs[i].size/1024,
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((double)res.libs[i].size/(double)res.raw_size) * 100.0
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);
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}
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printf(
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"qoi: %8.1f %8.1f %8.2f %8.2f %8ld %4.1f%%\n",
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(double)res.qoi.decode_time/1000000.0,
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(double)res.qoi.encode_time/1000000.0,
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(res.qoi.decode_time > 0 ? px / ((double)res.qoi.decode_time/1000.0) : 0),
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(res.qoi.encode_time > 0 ? px / ((double)res.qoi.encode_time/1000.0) : 0),
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res.qoi.size/1024,
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((double)res.qoi.size/(double)res.raw_size) * 100.0
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);
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printf("\n");
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}
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@ -440,20 +430,20 @@ benchmark_result_t benchmark_image(const char *path) {
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if (!opt_nodecode) {
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if (!opt_nopng) {
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.libpng.decode_time, {
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[LIBPNG].decode_time, {
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int dec_w, dec_h;
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void *dec_p = libpng_decode(encoded_png, encoded_png_size, &dec_w, &dec_h);
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free(dec_p);
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});
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.stbi.decode_time, {
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[STBI].decode_time, {
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int dec_w, dec_h, dec_channels;
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void *dec_p = stbi_load_from_memory(encoded_png, encoded_png_size, &dec_w, &dec_h, &dec_channels, 4);
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free(dec_p);
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});
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}
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.qoi.decode_time, {
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[QOI].decode_time, {
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qoi_desc desc;
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void *dec_p = qoi_decode(encoded_qoi, encoded_qoi_size, &desc, 4);
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free(dec_p);
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@ -464,21 +454,21 @@ benchmark_result_t benchmark_image(const char *path) {
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// Encoding
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if (!opt_noencode) {
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if (!opt_nopng) {
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.libpng.encode_time, {
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[LIBPNG].encode_time, {
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int enc_size;
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void *enc_p = libpng_encode(pixels, w, h, channels, &enc_size);
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res.libpng.size = enc_size;
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res.libs[LIBPNG].size = enc_size;
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free(enc_p);
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});
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.stbi.encode_time, {
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[STBI].encode_time, {
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int enc_size = 0;
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stbi_write_png_to_func(stbi_write_callback, &enc_size, w, h, channels, pixels, 0);
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res.stbi.size = enc_size;
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res.libs[STBI].size = enc_size;
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});
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}
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.qoi.encode_time, {
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BENCHMARK_FN(opt_nowarmup, opt_runs, res.libs[QOI].encode_time, {
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int enc_size;
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void *enc_p = qoi_encode(pixels, &(qoi_desc){
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.width = w,
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@ -486,7 +476,7 @@ benchmark_result_t benchmark_image(const char *path) {
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.channels = channels,
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.colorspace = QOI_SRGB
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}, &enc_size);
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res.qoi.size = enc_size;
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res.libs[QOI].size = enc_size;
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free(enc_p);
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});
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}
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@ -549,28 +539,20 @@ void benchmark_directory(const char *path, benchmark_result_t *grand_total) {
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dir_total.count++;
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dir_total.raw_size += res.raw_size;
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dir_total.px += res.px;
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dir_total.libpng.encode_time += res.libpng.encode_time;
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dir_total.libpng.decode_time += res.libpng.decode_time;
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dir_total.libpng.size += res.libpng.size;
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dir_total.stbi.encode_time += res.stbi.encode_time;
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dir_total.stbi.decode_time += res.stbi.decode_time;
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dir_total.stbi.size += res.stbi.size;
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dir_total.qoi.encode_time += res.qoi.encode_time;
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dir_total.qoi.decode_time += res.qoi.decode_time;
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dir_total.qoi.size += res.qoi.size;
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for (int i = 0; i < BENCH_COUNT; ++i) {
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dir_total.libs[i].encode_time += res.libs[i].encode_time;
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dir_total.libs[i].decode_time += res.libs[i].decode_time;
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dir_total.libs[i].size += res.libs[i].size;
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}
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grand_total->count++;
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grand_total->raw_size += res.raw_size;
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grand_total->px += res.px;
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grand_total->libpng.encode_time += res.libpng.encode_time;
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grand_total->libpng.decode_time += res.libpng.decode_time;
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grand_total->libpng.size += res.libpng.size;
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grand_total->stbi.encode_time += res.stbi.encode_time;
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grand_total->stbi.decode_time += res.stbi.decode_time;
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grand_total->stbi.size += res.stbi.size;
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grand_total->qoi.encode_time += res.qoi.encode_time;
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grand_total->qoi.decode_time += res.qoi.decode_time;
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grand_total->qoi.size += res.qoi.size;
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for (int i = 0; i < BENCH_COUNT; ++i) {
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grand_total->libs[i].encode_time += res.libs[i].encode_time;
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grand_total->libs[i].decode_time += res.libs[i].decode_time;
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grand_total->libs[i].size += res.libs[i].size;
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}
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}
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closedir(dir);
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