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tests/checkasm/hpeldsp: Use instruction-set independent height

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Otherwise the benchmark numbers are incomparable.

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-09-28 23:23:20 +02:00
parent 9a0581fca0
commit 8820e2205c
1 changed files with 7 additions and 1 deletions
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8
tests/checkasm/hpeldsp.c
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@@ -86,10 +86,16 @@ void checkasm_check_hpeldsp(void)
size_t dst_offset = (rnd() % (MAX_BLOCK_SIZE / blocksize)) * blocksize;
size_t src_offset = rnd() % MAX_BLOCK_SIZE;
ptrdiff_t stride = (rnd() % (MAX_STRIDE / blocksize) + 1) * blocksize;
int h = (rnd() % (MAX_HEIGHT / h_mult) + 1) * h_mult;
const uint8_t *src0 = srcbuf0 + src_offset, *src1 = srcbuf1 + src_offset;
uint8_t *dst0 = dstbuf0 + dst_offset, *dst1 = dstbuf1 + dst_offset;
// Always use the same height for each test, so that comparisons of benchmarks
// from different instruction sets are meaningful.
static int saved_heights[FF_ARRAY_ELEMS(tests)][4][4];
int h = saved_heights[i][j][dxy];
if (!h)
saved_heights[i][j][dxy] = h = (rnd() % (MAX_HEIGHT / h_mult) + 1) * h_mult;
if (rnd() & 1) {
// Flip stride.
dst1 += (h - 1) * stride;