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Add test wrapper functions

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- Clean-up the code.
This commit is contained in:
Yi Luo 2016-06-03 12:01:35 -07:00
parent 4fd7115d1c
commit 3657a0fde1
1 changed files with 37 additions and 39 deletions
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76
convolve/horiz_filter.c
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@ -148,7 +148,7 @@ void horiz_w4_ssse3(const uint8_t *src, const __m128i *f,
sr[3] = _mm_srli_si128(sr[3], 2);
transpose_4x8(sr, sc);
#if 1
sr[0] = _mm_adds_epi16(sc[0], sc[1]);
sr[1] = _mm_adds_epi16(sc[4], sc[5]);
@ -158,20 +158,7 @@ void horiz_w4_ssse3(const uint8_t *src, const __m128i *f,
sr[0] = _mm_adds_epi16(sr[0], sr[1]);
sr[0] = _mm_adds_epi16(sr[0], sr[2]);
sr[0] = _mm_adds_epi16(sr[0], sr[3]);
#else
sr[0] = _mm_adds_epi16(sc[0], sc[1]);
sr[0] = _mm_adds_epi16(sr[0], sc[2]);
//sr[1] = _mm_adds_epi16(sc[7], sc[6]);
sr[1] = _mm_adds_epi16(sc[6], sc[5]);
sr[2] = _mm_min_epi16(sc[3], sc[4]);
sr[3] = _mm_max_epi16(sc[3], sc[4]);
sr[0] = _mm_adds_epi16(sr[0], sr[1]);
sr[0] = _mm_adds_epi16(sr[0], sr[2]);
sr[0] = _mm_adds_epi16(sr[0], sr[3]);
#endif
sr[1] = _mm_mulhrs_epi16(sr[0], k_256);
sr[2] = _mm_packus_epi16(sr[1], sr[1]);
@ -253,9 +240,42 @@ void horiz_filter_ssse3(const uint8_t *src, const struct Filter fData,
}
}
// Testing wrapper functions
#define TEST_NUM (32)
void run_prototype_filter(uint8_t *src, int width, const int16_t *filter,
int flen, uint8_t *dst) {
uint32_t start, end;
int count;
count = 0;
start = readtsc();
do {
convolve(src, width, filter, flen, dst);
count++;
} while (count < TEST_NUM);
end = readtsc();
printf("C version cycles:\t%d\n", end - start);
}
void run_target_filter(uint8_t *src, struct Filter filter, int width,
uint8_t *dst) {
uint32_t start, end;
int count;
count = 0;
count = 0;
start = readtsc();
do {
horiz_filter_ssse3(src, filter, width, dst);
count++;
} while (count < TEST_NUM);
end = readtsc();
printf("SIMD version cycles:\t%d\n", end - start);
}
int main(int argc, char **argv)
{
const size_t block_size = 256;
@ -274,33 +294,11 @@ int main(int argc, char **argv)
uint8_t *ppixel = pixel + block_size;
uint8_t *pbuffer = buffer + block_size;
uint32_t start, end;
int count;
init_state(buffer, pixel, random_seed, width, block_size);
init_state(pbuffer, ppixel, random_seed, width, block_size);
count = 0;
start = readtsc();
do {
convolve(pixel, width, filter12, 12, buffer);
count++;
} while (count < TEST_NUM);
end = readtsc();
printf("C version cycles:\t%d\n", end - start);
// Solution 1
count = 0;
start = readtsc();
do {
horiz_filter_ssse3(ppixel, pfilter_12tap, width, pbuffer);
count++;
} while (count < TEST_NUM);
end = readtsc();
printf("SIMD version cycles:\t%d\n", end - start);
run_prototype_filter(pixel, width, filter12, 12, buffer);
run_target_filter(ppixel, pfilter_12tap, width, pbuffer);
check_buffer(buffer, pbuffer, width);
free(buffer);