From cf5544b41750fae89ec2c3e83f6ed70ca2d508dc Mon Sep 17 00:00:00 2001 From: wernsaar Date: Sat, 6 Sep 2014 13:17:56 +0200 Subject: [PATCH] optimization for small size --- kernel/x86_64/sgemv_n_microk_haswell-4.c | 25 ++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/kernel/x86_64/sgemv_n_microk_haswell-4.c b/kernel/x86_64/sgemv_n_microk_haswell-4.c index ed1792245..a2470a4b7 100644 --- a/kernel/x86_64/sgemv_n_microk_haswell-4.c +++ b/kernel/x86_64/sgemv_n_microk_haswell-4.c @@ -105,41 +105,42 @@ static void sgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLO ".align 16 \n\t" ".L01LOOP%=: \n\t" + // "prefetcht0 192(%3,%0,4) \n\t" "vmovups (%3,%0,4), %%ymm4 \n\t" // 8 * y "vmovups 32(%3,%0,4), %%ymm5 \n\t" // 8 * y - "prefetcht0 192(%4,%0,4) \n\t" + // "prefetcht0 192(%4,%0,4) \n\t" "vfmadd231ps (%4,%0,4), %%ymm12, %%ymm4 \n\t" "vfmadd231ps 32(%4,%0,4), %%ymm12, %%ymm5 \n\t" - "prefetcht0 192(%5,%0,4) \n\t" + // "prefetcht0 192(%5,%0,4) \n\t" "vfmadd231ps (%5,%0,4), %%ymm13, %%ymm4 \n\t" "vfmadd231ps 32(%5,%0,4), %%ymm13, %%ymm5 \n\t" - "prefetcht0 192(%6,%0,4) \n\t" + // "prefetcht0 192(%6,%0,4) \n\t" "vfmadd231ps (%6,%0,4), %%ymm14, %%ymm4 \n\t" "vfmadd231ps 32(%6,%0,4), %%ymm14, %%ymm5 \n\t" - "prefetcht0 192(%7,%0,4) \n\t" + // "prefetcht0 192(%7,%0,4) \n\t" "vfmadd231ps (%7,%0,4), %%ymm15, %%ymm4 \n\t" "vfmadd231ps 32(%7,%0,4), %%ymm15, %%ymm5 \n\t" - "prefetcht0 192(%4,%8,4) \n\t" + // "prefetcht0 192(%4,%8,4) \n\t" "vfmadd231ps (%4,%8,4), %%ymm0 , %%ymm4 \n\t" + "addq $16, %0 \n\t" "vfmadd231ps 32(%4,%8,4), %%ymm0 , %%ymm5 \n\t" - "prefetcht0 192(%5,%8,4) \n\t" + // "prefetcht0 192(%5,%8,4) \n\t" "vfmadd231ps (%5,%8,4), %%ymm1 , %%ymm4 \n\t" "vfmadd231ps 32(%5,%8,4), %%ymm1 , %%ymm5 \n\t" - "prefetcht0 192(%6,%8,4) \n\t" + // "prefetcht0 192(%6,%8,4) \n\t" "vfmadd231ps (%6,%8,4), %%ymm2 , %%ymm4 \n\t" "vfmadd231ps 32(%6,%8,4), %%ymm2 , %%ymm5 \n\t" - "prefetcht0 192(%7,%8,4) \n\t" + // "prefetcht0 192(%7,%8,4) \n\t" "vfmadd231ps (%7,%8,4), %%ymm3 , %%ymm4 \n\t" "vfmadd231ps 32(%7,%8,4), %%ymm3 , %%ymm5 \n\t" - "vmovups %%ymm4, (%3,%0,4) \n\t" // 8 * y - "vmovups %%ymm5, 32(%3,%0,4) \n\t" // 8 * y - "addq $16, %8 \n\t" - "addq $16, %0 \n\t" + "vmovups %%ymm4,-64(%3,%0,4) \n\t" // 8 * y "subq $16, %1 \n\t" + "vmovups %%ymm5,-32(%3,%0,4) \n\t" // 8 * y + "jnz .L01LOOP%= \n\t" ".L16END%=: \n\t"