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tests: add cpu test

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It tests only x86 architecture right now.
This commit is contained in:
Deng Zhengrong 2012-07-17 14:45:52 +08:00 • committed by Arun Raghavan
parent 6e33eb0073
commit c8cd89a7cb
7 changed files with 306 additions and 230 deletions
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85
src/pulsecore/svolume_sse.c
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@ -252,95 +252,10 @@ static void pa_volume_s16re_sse2(int16_t *samples, const int32_t *volumes, unsig
);
}
#undef RUN_TEST
#ifdef RUN_TEST
#define CHANNELS 2
#define SAMPLES 1022
#define TIMES 1000
#define TIMES2 100
#define PADDING 16
static void run_test(void) {
int16_t samples[SAMPLES];
int16_t samples_ref[SAMPLES];
int16_t samples_orig[SAMPLES];
int32_t volumes[CHANNELS + PADDING];
int i, j, padding;
pa_do_volume_func_t func;
pa_usec_t start, stop;
int k;
pa_usec_t min = INT_MAX, max = 0;
double s1 = 0, s2 = 0;
func = pa_get_volume_func(PA_SAMPLE_S16NE);
printf("checking SSE2 %zd\n", sizeof(samples));
pa_random(samples, sizeof(samples));
memcpy(samples_ref, samples, sizeof(samples));
memcpy(samples_orig, samples, sizeof(samples));
for (i = 0; i < CHANNELS; i++)
volumes[i] = PA_CLAMP_VOLUME(rand() >> 15);
for (padding = 0; padding < PADDING; padding++, i++)
volumes[i] = volumes[padding];
func(samples_ref, volumes, CHANNELS, sizeof(samples));
pa_volume_s16ne_sse2(samples, volumes, CHANNELS, sizeof(samples));
for (i = 0; i < SAMPLES; i++) {
if (samples[i] != samples_ref[i]) {
printf ("%d: %04x != %04x (%04x * %04x)\n", i, samples[i], samples_ref[i],
samples_orig[i], volumes[i % CHANNELS]);
}
}
for (k = 0; k < TIMES2; k++) {
start = pa_rtclock_now();
for (j = 0; j < TIMES; j++) {
memcpy(samples, samples_orig, sizeof(samples));
pa_volume_s16ne_sse2(samples, volumes, CHANNELS, sizeof(samples));
}
stop = pa_rtclock_now();
if (min > (stop - start)) min = stop - start;
if (max < (stop - start)) max = stop - start;
s1 += stop - start;
s2 += (stop - start) * (stop - start);
}
pa_log_info("SSE: %llu usec (min = %llu, max = %llu, stddev = %g).", (long long unsigned int)s1,
(long long unsigned int)min, (long long unsigned int)max, sqrt(TIMES2 * s2 - s1 * s1) / TIMES2);
min = INT_MAX; max = 0;
s1 = s2 = 0;
for (k = 0; k < TIMES2; k++) {
start = pa_rtclock_now();
for (j = 0; j < TIMES; j++) {
memcpy(samples_ref, samples_orig, sizeof(samples));
func(samples_ref, volumes, CHANNELS, sizeof(samples));
}
stop = pa_rtclock_now();
if (min > (stop - start)) min = stop - start;
if (max < (stop - start)) max = stop - start;
s1 += stop - start;
s2 += (stop - start) * (stop - start);
}
pa_log_info("ref: %llu usec (min = %llu, max = %llu, stddev = %g).", (long long unsigned int)s1,
(long long unsigned int)min, (long long unsigned int)max, sqrt(TIMES2 * s2 - s1 * s1) / TIMES2);
pa_assert_se(memcmp(samples_ref, samples, sizeof(samples)) == 0);
}
#endif
#endif /* defined (__i386__) || defined (__amd64__) */
void pa_volume_func_init_sse(pa_cpu_x86_flag_t flags) {
#if defined (__i386__) || defined (__amd64__)
#ifdef RUN_TEST
run_test();
#endif
if (flags & PA_CPU_X86_SSE2) {
pa_log_info("Initialising SSE2 optimized volume functions.");