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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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54
src/pulsecore/sconv_sse.c
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@ -162,65 +162,11 @@ static void pa_sconv_s16le_from_f32ne_sse2(unsigned n, const float *a, int16_t *
);
}
#undef RUN_TEST
#ifdef RUN_TEST
#define SAMPLES 1019
#define TIMES 1000
static void run_test(void) {
int16_t samples[SAMPLES];
int16_t samples_ref[SAMPLES];
float floats[SAMPLES];
int i;
pa_usec_t start, stop;
pa_convert_func_t func;
printf("checking SSE %zd\n", sizeof(samples));
memset(samples_ref, 0, sizeof(samples_ref));
memset(samples, 0, sizeof(samples));
for (i = 0; i < SAMPLES; i++) {
floats[i] = 2.1f * (rand()/(float) RAND_MAX - 0.5f);
}
func = pa_get_convert_from_float32ne_function(PA_SAMPLE_S16LE);
func(SAMPLES, floats, samples_ref);
pa_sconv_s16le_from_f32ne_sse2(SAMPLES, floats, samples);
for (i = 0; i < SAMPLES; i++) {
if (samples[i] != samples_ref[i]) {
printf ("%d: %04x != %04x (%f)\n", i, samples[i], samples_ref[i],
floats[i]);
}
}
start = pa_rtclock_now();
for (i = 0; i < TIMES; i++) {
pa_sconv_s16le_from_f32ne_sse2(SAMPLES, floats, samples);
}
stop = pa_rtclock_now();
pa_log_info("SSE: %llu usec.", (long long unsigned int)(stop - start));
start = pa_rtclock_now();
for (i = 0; i < TIMES; i++) {
func(SAMPLES, floats, samples_ref);
}
stop = pa_rtclock_now();
pa_log_info("ref: %llu usec.", (long long unsigned int)(stop - start));
}
#endif
#endif /* defined (__i386__) || defined (__amd64__) */
void pa_convert_func_init_sse(pa_cpu_x86_flag_t flags) {
#if !defined(__APPLE__) && defined (__i386__) || defined (__amd64__)
#ifdef RUN_TEST
run_test();
#endif
if (flags & PA_CPU_X86_SSE2) {
pa_log_info("Initialising SSE2 optimized conversions.");
pa_set_convert_from_float32ne_function(PA_SAMPLE_S16LE, (pa_convert_func_t) pa_sconv_s16le_from_f32ne_sse2);