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Fix thinko in skylake beta handling 

casting ints is cheaper but it has a rounding, not memory casing effect, resulting in
invalid outcome
This commit is contained in:
Arjan van de Ven 2018-12-24 18:49:50 +00:00
parent e1eab96502
commit 795285c587
2 changed files with 2 additions and 2 deletions
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2
kernel/x86_64/dgemm_beta_skylakex.c
View File

@ -50,7 +50,7 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT beta,
FLOAT ctemp5, ctemp6, ctemp7, ctemp8; FLOAT ctemp5, ctemp6, ctemp7, ctemp8;
/* fast path.. just zero the whole matrix */ /* fast path.. just zero the whole matrix */
if (m == ldc && (unsigned long)beta == (unsigned long)ZERO) { if (m == ldc && beta == ZERO) {
memset(c, 0, m * n * sizeof(FLOAT)); memset(c, 0, m * n * sizeof(FLOAT));
return 0; return 0;
} }

2
kernel/x86_64/sgemm_beta_skylakex.c
View File

@ -50,7 +50,7 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT beta,
FLOAT ctemp5, ctemp6, ctemp7, ctemp8; FLOAT ctemp5, ctemp6, ctemp7, ctemp8;
/* fast path.. just zero the whole matrix */ /* fast path.. just zero the whole matrix */
if (m == ldc && (unsigned long)beta == (unsigned long)ZERO) { if (m == ldc && beta == ZERO) {
memset(c, 0, m * n * sizeof(FLOAT)); memset(c, 0, m * n * sizeof(FLOAT));
return 0; return 0;
} }