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tests: add cpu test
It tests only x86 architecture right now.
This commit is contained in:
Deng Zhengrong
Arun Raghavan
parent
6e33eb0073
commit
c8cd89a7cb
7 changed files with 306 additions and 230 deletions
292
src/tests/cpu-test.c
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292
src/tests/cpu-test.c
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <check.h>
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#include <unistd.h>
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#include <math.h>
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#include <pulse/rtclock.h>
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#include <pulsecore/cpu-x86.h>
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#include <pulsecore/random.h>
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#include <pulsecore/macro.h>
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#include <pulsecore/endianmacros.h>
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#include <pulsecore/sconv.h>
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#include <pulsecore/sample-util.h>
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START_TEST (svolume_mmx_test) {
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#define CHANNELS 2
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#define SAMPLES 1022
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#define TIMES 1000
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#define TIMES2 100
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#define PADDING 16
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int16_t samples[SAMPLES];
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int16_t samples_ref[SAMPLES];
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int16_t samples_orig[SAMPLES];
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int32_t volumes[CHANNELS + PADDING];
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int i, j, padding;
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pa_do_volume_func_t orig_func, mmx_func;
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pa_usec_t start, stop;
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int k;
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pa_usec_t min = INT_MAX, max = 0;
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double s1 = 0, s2 = 0;
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pa_cpu_x86_flag_t flags = 0;
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pa_cpu_get_x86_flags(&flags);
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if (!((flags & PA_CPU_X86_MMX) && (flags & PA_CPU_X86_CMOV))) {
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pa_log_info("MMX/CMOV not supported. Skipping");
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return;
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}
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orig_func = pa_get_volume_func(PA_SAMPLE_S16NE);
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pa_volume_func_init_mmx(flags);
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mmx_func = pa_get_volume_func(PA_SAMPLE_S16NE);
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pa_log_debug("Checking MMX svolume (%zd)\n", sizeof(samples));
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pa_random(samples, sizeof(samples));
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memcpy(samples_ref, samples, sizeof(samples));
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memcpy(samples_orig, samples, sizeof(samples));
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for (i = 0; i < CHANNELS; i++)
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volumes[i] = PA_CLAMP_VOLUME((pa_volume_t)(rand() >> 15));
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for (padding = 0; padding < PADDING; padding++, i++)
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volumes[i] = volumes[padding];
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orig_func(samples_ref, volumes, CHANNELS, sizeof(samples));
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mmx_func(samples, volumes, CHANNELS, sizeof(samples));
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for (i = 0; i < SAMPLES; i++) {
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if (samples[i] != samples_ref[i]) {
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printf("%d: %04x != %04x (%04x * %08x)\n", i, samples[i], samples_ref[i],
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samples_orig[i], volumes[i % CHANNELS]);
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fail();
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}
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}
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for (k = 0; k < TIMES2; k++) {
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start = pa_rtclock_now();
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for (j = 0; j < TIMES; j++) {
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memcpy(samples, samples_orig, sizeof(samples));
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mmx_func(samples, volumes, CHANNELS, sizeof(samples));
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}
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stop = pa_rtclock_now();
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if (min > (stop - start)) min = stop - start;
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if (max < (stop - start)) max = stop - start;
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s1 += stop - start;
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s2 += (stop - start) * (stop - start);
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}
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pa_log_info("MMX: %llu usec (min = %llu, max = %llu, stddev = %g).", (long long unsigned int)s1,
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(long long unsigned int)min, (long long unsigned int)max, sqrt(TIMES2 * s2 - s1 * s1) / TIMES2);
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min = INT_MAX; max = 0;
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s1 = s2 = 0;
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for (k = 0; k < TIMES2; k++) {
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start = pa_rtclock_now();
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for (j = 0; j < TIMES; j++) {
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memcpy(samples_ref, samples_orig, sizeof(samples));
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orig_func(samples_ref, volumes, CHANNELS, sizeof(samples));
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}
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stop = pa_rtclock_now();
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if (min > (stop - start)) min = stop - start;
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if (max < (stop - start)) max = stop - start;
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s1 += stop - start;
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s2 += (stop - start) * (stop - start);
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}
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pa_log_info("ref: %llu usec (min = %llu, max = %llu, stddev = %g).", (long long unsigned int)s1,
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(long long unsigned int)min, (long long unsigned int)max, sqrt(TIMES2 * s2 - s1 * s1) / TIMES2);
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fail_unless(memcmp(samples_ref, samples, sizeof(samples)) == 0);
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#undef CHANNELS
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#undef SAMPLES
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#undef TIMES
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#undef TIMES2
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#undef PADDING
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}
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END_TEST
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START_TEST (svolume_sse_test) {
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#define CHANNELS 2
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#define SAMPLES 1022
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#define TIMES 1000
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#define TIMES2 100
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#define PADDING 16
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int16_t samples[SAMPLES];
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int16_t samples_ref[SAMPLES];
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int16_t samples_orig[SAMPLES];
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int32_t volumes[CHANNELS + PADDING];
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int i, j, padding;
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pa_do_volume_func_t orig_func, sse_func;
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pa_usec_t start, stop;
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int k;
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pa_usec_t min = INT_MAX, max = 0;
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double s1 = 0, s2 = 0;
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pa_cpu_x86_flag_t flags = 0;
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pa_cpu_get_x86_flags(&flags);
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if (!(flags & PA_CPU_X86_SSE2)) {
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pa_log_info("SSE2 not supported. Skipping");
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return;
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}
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orig_func = pa_get_volume_func(PA_SAMPLE_S16NE);
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pa_volume_func_init_sse(flags);
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sse_func = pa_get_volume_func(PA_SAMPLE_S16NE);
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pa_log_debug("Checking SSE2 svolume (%zd)\n", sizeof(samples));
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pa_random(samples, sizeof(samples));
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memcpy(samples_ref, samples, sizeof(samples));
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memcpy(samples_orig, samples, sizeof(samples));
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for (i = 0; i < CHANNELS; i++)
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volumes[i] = PA_CLAMP_VOLUME((pa_volume_t)(rand() >> 15));
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for (padding = 0; padding < PADDING; padding++, i++)
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volumes[i] = volumes[padding];
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orig_func(samples_ref, volumes, CHANNELS, sizeof(samples));
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sse_func(samples, volumes, CHANNELS, sizeof(samples));
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for (i = 0; i < SAMPLES; i++) {
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if (samples[i] != samples_ref[i]) {
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printf ("%d: %04x != %04x (%04x * %04x)\n", i, samples[i], samples_ref[i],
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samples_orig[i], volumes[i % CHANNELS]);
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fail();
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}
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}
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for (k = 0; k < TIMES2; k++) {
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start = pa_rtclock_now();
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for (j = 0; j < TIMES; j++) {
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memcpy(samples, samples_orig, sizeof(samples));
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sse_func(samples, volumes, CHANNELS, sizeof(samples));
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}
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stop = pa_rtclock_now();
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if (min > (stop - start)) min = stop - start;
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if (max < (stop - start)) max = stop - start;
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s1 += stop - start;
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s2 += (stop - start) * (stop - start);
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}
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pa_log_info("SSE: %llu usec (min = %llu, max = %llu, stddev = %g).", (long long unsigned int)s1,
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(long long unsigned int)min, (long long unsigned int)max, sqrt(TIMES2 * s2 - s1 * s1) / TIMES2);
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min = INT_MAX; max = 0;
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s1 = s2 = 0;
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for (k = 0; k < TIMES2; k++) {
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start = pa_rtclock_now();
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for (j = 0; j < TIMES; j++) {
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memcpy(samples_ref, samples_orig, sizeof(samples));
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orig_func(samples_ref, volumes, CHANNELS, sizeof(samples));
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}
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stop = pa_rtclock_now();
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if (min > (stop - start)) min = stop - start;
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if (max < (stop - start)) max = stop - start;
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s1 += stop - start;
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s2 += (stop - start) * (stop - start);
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}
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pa_log_info("ref: %llu usec (min = %llu, max = %llu, stddev = %g).", (long long unsigned int)s1,
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(long long unsigned int)min, (long long unsigned int)max, sqrt(TIMES2 * s2 - s1 * s1) / TIMES2);
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fail_unless(memcmp(samples_ref, samples, sizeof(samples)) == 0);
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#undef CHANNELS
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#undef SAMPLES
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#undef TIMES
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#undef TIMES2
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#undef PADDING
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}
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END_TEST
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START_TEST (sconv_sse_test) {
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#define SAMPLES 1019
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#define TIMES 1000
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int16_t samples[SAMPLES];
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int16_t samples_ref[SAMPLES];
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float floats[SAMPLES];
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int i;
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pa_usec_t start, stop;
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pa_convert_func_t orig_func, sse_func;
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pa_cpu_x86_flag_t flags = 0;
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pa_cpu_get_x86_flags(&flags);
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if (!(flags & PA_CPU_X86_SSE2)) {
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pa_log_info("SSE2 not supported. Skipping");
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return;
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}
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pa_log_debug("Checking SSE sconv (%zd)\n", sizeof(samples));
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memset(samples_ref, 0, sizeof(samples_ref));
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memset(samples, 0, sizeof(samples));
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for (i = 0; i < SAMPLES; i++) {
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floats[i] = 2.1f * (rand()/(float) RAND_MAX - 0.5f);
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}
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orig_func = pa_get_convert_from_float32ne_function(PA_SAMPLE_S16LE);
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pa_convert_func_init_sse(flags);
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sse_func = pa_get_convert_from_float32ne_function(PA_SAMPLE_S16LE);
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orig_func(SAMPLES, floats, samples_ref);
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sse_func(SAMPLES, floats, samples);
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for (i = 0; i < SAMPLES; i++) {
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if (samples[i] != samples_ref[i]) {
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printf ("%d: %04x != %04x (%f)\n", i, samples[i], samples_ref[i],
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floats[i]);
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fail();
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}
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}
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start = pa_rtclock_now();
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for (i = 0; i < TIMES; i++) {
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sse_func(SAMPLES, floats, samples);
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}
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stop = pa_rtclock_now();
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pa_log_info("SSE: %llu usec.", (long long unsigned int)(stop - start));
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start = pa_rtclock_now();
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for (i = 0; i < TIMES; i++) {
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orig_func(SAMPLES, floats, samples_ref);
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}
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stop = pa_rtclock_now();
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pa_log_info("ref: %llu usec.", (long long unsigned int)(stop - start));
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#undef SAMPLES
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#undef TIMES
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}
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END_TEST
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int main(int argc, char *argv[]) {
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int failed = 0;
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Suite *s;
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TCase *tc;
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SRunner *sr;
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if (!getenv("MAKE_CHECK"))
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pa_log_set_level(PA_LOG_DEBUG);
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s = suite_create("CPU");
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tc = tcase_create("x86");
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tcase_add_test(tc, svolume_mmx_test);
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tcase_add_test(tc, svolume_sse_test);
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tcase_add_test(tc, sconv_sse_test);
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suite_add_tcase(s, tc);
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sr = srunner_create(s);
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srunner_run_all(sr, CK_NORMAL);
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failed = srunner_ntests_failed(sr);
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srunner_free(sr);
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return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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