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;
+}