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tests: Factor out Orc test code into cpu-test

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Reorganises all the svolume core test code in cpu-test since it's the
same across MMX/SSE/etc.
This commit is contained in:
Arun Raghavan 2012-07-24 14:37:54 +05:30
parent c2f7987f09
commit b6f2ccf194
4 changed files with 93 additions and 219 deletions
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8
src/pulsecore/cpu-orc.c
View file

@ -25,14 +25,18 @@
#include "cpu-orc.h"
void pa_cpu_init_orc(pa_cpu_info cpu_info)
pa_bool_t pa_cpu_init_orc(pa_cpu_info cpu_info)
{
#ifndef DISABLE_ORC
/* Update these as we test on more architectures */
pa_cpu_x86_flag_t x86_want_flags = PA_CPU_X86_MMX | PA_CPU_X86_SSE | PA_CPU_X86_SSE2 | PA_CPU_X86_SSE3 | PA_CPU_X86_SSSE3 | PA_CPU_X86_SSE4_1 | PA_CPU_X86_SSE4_2;
/* Enable Orc svolume optimizations */
if ((cpu_info.cpu_type == PA_CPU_X86) && (cpu_info.flags.x86 & x86_want_flags))
if ((cpu_info.cpu_type == PA_CPU_X86) && (cpu_info.flags.x86 & x86_want_flags)) {
pa_volume_func_init_orc();
return TRUE;
}
#endif
return FALSE;
}

2
src/pulsecore/cpu-orc.h
View file

@ -26,7 +26,7 @@
/* Orc-optimised bits */
void pa_cpu_init_orc(pa_cpu_info cpu_info);
pa_bool_t pa_cpu_init_orc(pa_cpu_info cpu_info);
void pa_volume_func_init_orc(void);

85
src/pulsecore/svolume_orc.c
View file

@ -45,94 +45,9 @@ pa_volume_s16ne_orc(int16_t *samples, const int32_t *volumes, unsigned channels,
fallback(samples, volumes, channels, length);
}
#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 ORC %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_orc(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_orc(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("ORC: %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
void pa_volume_func_init_orc(void) {
pa_log_info("Initialising ORC optimized volume functions.");
#ifdef RUN_TEST
run_test();
#endif
fallback = pa_get_volume_func(PA_SAMPLE_S16NE);
pa_set_volume_func(PA_SAMPLE_S16NE, (pa_do_volume_func_t) pa_volume_s16ne_orc);
}