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optimized sgemv_n_microk_sandy.c

This commit is contained in:
wernsaar 2014-07-20 14:08:04 +02:00
parent c0fe95fb72
commit 5392d11b04
1 changed files with 4 additions and 5 deletions
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9
kernel/x86_64/sgemv_n_microk_sandy.c
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@ -29,7 +29,7 @@ static void sgemv_kernel_64( long n, float alpha, float *a, long lda, float *x,
{
float *pre = a + lda*3;
float *pre = a + lda*2;
__asm__ __volatile__
(
@ -58,20 +58,19 @@ static void sgemv_kernel_64( long n, float alpha, float *a, long lda, float *x,
"leaq (%%r8 , %%rcx, 4), %%r8 \n\t" // add lda to pointer for prefetch
"prefetcht0 (%%r8)\n\t" // Prefetch
"prefetcht0 64(%%r8)\n\t" // Prefetch
"prefetcht0 128(%%r8)\n\t" // Prefetch
"prefetcht0 192(%%r8)\n\t" // Prefetch
"vmulps 0*4(%%rsi), %%ymm0, %%ymm4 \n\t" // multiply a and c and add to temp
"vmulps 8*4(%%rsi), %%ymm0, %%ymm5 \n\t" // multiply a and c and add to temp
"prefetcht0 64(%%r8)\n\t" // Prefetch
"vmulps 16*4(%%rsi), %%ymm0, %%ymm6 \n\t" // multiply a and c and add to temp
"vmulps 24*4(%%rsi), %%ymm0, %%ymm7 \n\t" // multiply a and c and add to temp
"vaddps %%ymm8 , %%ymm4, %%ymm8 \n\t" // multiply a and c and add to temp
"vaddps %%ymm9 , %%ymm5, %%ymm9 \n\t" // multiply a and c and add to temp
"prefetcht0 128(%%r8)\n\t" // Prefetch
"vaddps %%ymm10, %%ymm6, %%ymm10\n\t" // multiply a and c and add to temp
"vaddps %%ymm11, %%ymm7, %%ymm11\n\t" // multiply a and c and add to temp
"prefetcht0 192(%%r8)\n\t" // Prefetch
"vmulps 32*4(%%rsi), %%ymm0, %%ymm4 \n\t" // multiply a and c and add to temp
"vmulps 40*4(%%rsi), %%ymm0, %%ymm5 \n\t" // multiply a and c and add to temp
"vmulps 48*4(%%rsi), %%ymm0, %%ymm6 \n\t" // multiply a and c and add to temp