diff options
Diffstat (limited to 'spa/plugins/audioconvert/benchmark-resample.c')
| -rw-r--r-- | spa/plugins/audioconvert/benchmark-resample.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/spa/plugins/audioconvert/benchmark-resample.c b/spa/plugins/audioconvert/benchmark-resample.c new file mode 100644 index 0000000..597f9ac --- /dev/null +++ b/spa/plugins/audioconvert/benchmark-resample.c @@ -0,0 +1,204 @@ +/* Spa + * + * Copyright © 2019 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "config.h" + +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <time.h> + +#include "test-helper.h" +#include "resample.h" + +#define MAX_SAMPLES 4096 +#define MAX_CHANNELS 11 + +#define MAX_COUNT 200 + +static uint32_t cpu_flags; + +struct stats { + uint32_t in_rate; + uint32_t out_rate; + uint32_t n_samples; + uint32_t n_channels; + uint64_t perf; + const char *name; + const char *impl; +}; + +static float samp_in[MAX_SAMPLES * MAX_CHANNELS]; +static float samp_out[MAX_SAMPLES * MAX_CHANNELS]; + +static const int sample_sizes[] = { 0, 1, 128, 513, 4096 }; +static const int in_rates[] = { 44100, 44100, 48000, 96000, 22050, 96000 }; +static const int out_rates[] = { 44100, 48000, 44100, 48000, 48000, 44100 }; + + +#define MAX_RESAMPLER 5 +#define MAX_SIZES SPA_N_ELEMENTS(sample_sizes) +#define MAX_RATES SPA_N_ELEMENTS(in_rates) +#define MAX_RESULTS MAX_RESAMPLER * MAX_SIZES * MAX_RATES + +static uint32_t n_results = 0; +static struct stats results[MAX_RESULTS]; + +static void run_test1(const char *name, const char *impl, struct resample *r, int n_samples) +{ + uint32_t i, j; + const void *ip[MAX_CHANNELS]; + void *op[MAX_CHANNELS]; + struct timespec ts; + uint64_t count, t1, t2; + uint32_t in_len, out_len; + + for (j = 0; j < r->channels; j++) { + ip[j] = &samp_in[j * MAX_SAMPLES]; + op[j] = &samp_out[j * MAX_SAMPLES]; + } + + clock_gettime(CLOCK_MONOTONIC, &ts); + t1 = SPA_TIMESPEC_TO_NSEC(&ts); + + count = 0; + for (i = 0; i < MAX_COUNT; i++) { + in_len = n_samples; + out_len = MAX_SAMPLES; + resample_process(r, ip, &in_len, op, &out_len); + count++; + } + clock_gettime(CLOCK_MONOTONIC, &ts); + t2 = SPA_TIMESPEC_TO_NSEC(&ts); + + spa_assert(n_results < MAX_RESULTS); + + results[n_results++] = (struct stats) { + .in_rate = r->i_rate, + .out_rate = r->o_rate, + .n_samples = n_samples, + .n_channels = r->channels, + .perf = count * (uint64_t)SPA_NSEC_PER_SEC / (t2 - t1), + .name = name, + .impl = impl + }; +} + +static void run_test(const char *name, const char *impl, struct resample *r) +{ + size_t i; + for (i = 0; i < SPA_N_ELEMENTS(sample_sizes); i++) + run_test1(name, impl, r, sample_sizes[i]); +} + +static int compare_func(const void *_a, const void *_b) +{ + const struct stats *a = _a, *b = _b; + int diff; + + if ((diff = a->in_rate - b->in_rate) != 0) return diff; + if ((diff = a->out_rate - b->out_rate) != 0) return diff; + if ((diff = a->n_samples - b->n_samples) != 0) return diff; + if ((diff = a->n_channels - b->n_channels) != 0) return diff; + if ((diff = b->perf - a->perf) != 0) return diff; + return 0; +} + +int main(int argc, char *argv[]) +{ + struct resample r; + uint32_t i; + + cpu_flags = get_cpu_flags(); + printf("got get CPU flags %d\n", cpu_flags); + + for (i = 0; i < SPA_N_ELEMENTS(in_rates); i++) { + spa_zero(r); + r.channels = 2; + r.cpu_flags = 0; + r.i_rate = in_rates[i]; + r.o_rate = out_rates[i]; + r.quality = RESAMPLE_DEFAULT_QUALITY; + resample_native_init(&r); + run_test("native", "c", &r); + resample_free(&r); + } +#if defined (HAVE_SSE) + if (cpu_flags & SPA_CPU_FLAG_SSE) { + for (i = 0; i < SPA_N_ELEMENTS(in_rates); i++) { + spa_zero(r); + r.channels = 2; + r.cpu_flags = SPA_CPU_FLAG_SSE; + r.i_rate = in_rates[i]; + r.o_rate = out_rates[i]; + r.quality = RESAMPLE_DEFAULT_QUALITY; + resample_native_init(&r); + run_test("native", "sse", &r); + resample_free(&r); + } + } +#endif +#if defined (HAVE_SSSE3) + if (cpu_flags & SPA_CPU_FLAG_SSSE3) { + for (i = 0; i < SPA_N_ELEMENTS(in_rates); i++) { + spa_zero(r); + r.channels = 2; + r.cpu_flags = SPA_CPU_FLAG_SSSE3 | SPA_CPU_FLAG_SLOW_UNALIGNED; + r.i_rate = in_rates[i]; + r.o_rate = out_rates[i]; + r.quality = RESAMPLE_DEFAULT_QUALITY; + resample_native_init(&r); + run_test("native", "ssse3", &r); + resample_free(&r); + } + } +#endif +#if defined (HAVE_AVX) && defined(HAVE_FMA) + if (SPA_FLAG_IS_SET(cpu_flags, SPA_CPU_FLAG_AVX | SPA_CPU_FLAG_FMA3)) { + for (i = 0; i < SPA_N_ELEMENTS(in_rates); i++) { + spa_zero(r); + r.channels = 2; + r.cpu_flags = SPA_CPU_FLAG_AVX | SPA_CPU_FLAG_FMA3; + r.i_rate = in_rates[i]; + r.o_rate = out_rates[i]; + r.quality = RESAMPLE_DEFAULT_QUALITY; + resample_native_init(&r); + run_test("native", "avx", &r); + resample_free(&r); + } + } +#endif + + qsort(results, n_results, sizeof(struct stats), compare_func); + + for (i = 0; i < n_results; i++) { + struct stats *s = &results[i]; + fprintf(stderr, "%-12."PRIu64" \t%-16.16s %s \t%d->%d samples %d, channels %d\n", + s->perf, s->name, s->impl, s->in_rate, s->out_rate, + s->n_samples, s->n_channels); + } + return 0; +} |