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Disable gemv unrolling 

as a (hopefully temporary) workaround for #1332
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Martin Kroeker 2017-12-03 22:41:54 +01:00 committed by GitHub
parent 38763ec4f3
commit b414283f48
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1 changed files with 6 additions and 2 deletions
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8
driver/level2/trmv_U.c
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@ -54,12 +54,16 @@ int CNAME(BLASLONG m, FLOAT *a, BLASLONG lda, FLOAT *b, BLASLONG incb, FLOAT *bu
COPY_K(m, b, incb, buffer, 1); COPY_K(m, b, incb, buffer, 1);
} }
for (is = 0; is < m; is += DTB_ENTRIES){ /*FIXME the GEMV unrolling performed here was found to be broken, see issue 1332 */
/* Multiplying DTB size by 100 is just a quick-and-dirty hack to disable it for now[B */
min_i = MIN(m - is, DTB_ENTRIES); for (is = 0; is < m; is += DTB_ENTRIES * 100){
min_i = MIN(m - is, DTB_ENTRIES * 100);
#ifndef TRANSA #ifndef TRANSA
if (is > 0){ if (is > 0){
fprintf(stderr,"WARNING unrolling of the trmv_U loop may give wrong results\n");
GEMV_N(is, min_i, 0, dp1, GEMV_N(is, min_i, 0, dp1,
a + is * lda, lda, a + is * lda, lda,
B + is, 1, B + is, 1,