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optimized zgemv_n kernel for sandybridge

This commit is contained in:
wernsaar 2014-08-13 16:10:03 +02:00
parent dc05937313
commit c1a6374c6f
3 changed files with 14 additions and 5 deletions
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3
kernel/x86_64/KERNEL.SANDYBRIDGE
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@ -1,6 +1,9 @@
SGEMVNKERNEL = sgemv_n.c
SGEMVTKERNEL = sgemv_t.c
ZGEMVNKERNEL = zgemv_n.c
SGEMMKERNEL = sgemm_kernel_16x4_sandy.S
SGEMMINCOPY = ../generic/gemm_ncopy_16.c
SGEMMITCOPY = ../generic/gemm_tcopy_16.c

3
kernel/x86_64/zgemv_n.c
View File

@ -31,9 +31,12 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#if defined(HASWELL)
#include "zgemv_n_microk_haswell-2.c"
#elif defined(SANDYBRIDGE)
#include "zgemv_n_microk_sandy-2.c"
#endif
#define NBMAX 1024
#ifndef HAVE_KERNEL_16x4

13
kernel/x86_64/zgemv_n_microk_sandy-2.c
View File

@ -50,39 +50,42 @@ static void zgemv_kernel_16x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y)
".align 16 \n\t"
".L01LOOP%=: \n\t"
"prefetcht0 256(%4,%0,8) \n\t"
"vmovups (%4,%0,8), %%ymm8 \n\t" // 2 complex values form a0
"vmovups 32(%4,%0,8), %%ymm9 \n\t" // 2 complex values form a0
"vmulpd %%ymm8 , %%ymm0 , %%ymm12 \n\t"
"vmulpd %%ymm8 , %%ymm1 , %%ymm13 \n\t"
"prefetcht0 256(%5,%0,8) \n\t"
"vmulpd %%ymm9 , %%ymm0 , %%ymm14 \n\t"
"vmulpd %%ymm9 , %%ymm1 , %%ymm15 \n\t"
"vmovups (%5,%0,8), %%ymm8 \n\t" // 2 complex values form a0
"vmulpd %%ymm9 , %%ymm1 , %%ymm15 \n\t"
"vmovups 32(%5,%0,8), %%ymm9 \n\t" // 2 complex values form a0
"vmulpd %%ymm8 , %%ymm2 , %%ymm10 \n\t"
"vaddpd %%ymm12, %%ymm10, %%ymm12 \n\t"
"vmulpd %%ymm8 , %%ymm3 , %%ymm11 \n\t"
"vaddpd %%ymm13, %%ymm11, %%ymm13 \n\t"
"prefetcht0 256(%6,%0,8) \n\t"
"vmulpd %%ymm9 , %%ymm2 , %%ymm10 \n\t"
"vaddpd %%ymm14, %%ymm10, %%ymm14 \n\t"
"vmovups (%6,%0,8), %%ymm8 \n\t" // 2 complex values form a0
"vmulpd %%ymm9 , %%ymm3 , %%ymm11 \n\t"
"vaddpd %%ymm15, %%ymm11, %%ymm15 \n\t"
"vmovups (%6,%0,8), %%ymm8 \n\t" // 2 complex values form a0
"vmovups 32(%6,%0,8), %%ymm9 \n\t" // 2 complex values form a0
"vmulpd %%ymm8 , %%ymm4 , %%ymm10 \n\t"
"vaddpd %%ymm12, %%ymm10, %%ymm12 \n\t"
"vmulpd %%ymm8 , %%ymm5 , %%ymm11 \n\t"
"vaddpd %%ymm13, %%ymm11, %%ymm13 \n\t"
"prefetcht0 256(%7,%0,8) \n\t"
"vmulpd %%ymm9 , %%ymm4 , %%ymm10 \n\t"
"vaddpd %%ymm14, %%ymm10, %%ymm14 \n\t"
"vmovups (%7,%0,8), %%ymm8 \n\t" // 2 complex values form a0
"vmulpd %%ymm9 , %%ymm5 , %%ymm11 \n\t"
"vaddpd %%ymm15, %%ymm11, %%ymm15 \n\t"
"vmovups (%7,%0,8), %%ymm8 \n\t" // 2 complex values form a0
"vmovups 32(%7,%0,8), %%ymm9 \n\t" // 2 complex values form a0
"vmulpd %%ymm8 , %%ymm6 , %%ymm10 \n\t"
@ -94,7 +97,7 @@ static void zgemv_kernel_16x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y)
"vmulpd %%ymm9 , %%ymm7 , %%ymm11 \n\t"
"vaddpd %%ymm15, %%ymm11, %%ymm15 \n\t"
"prefetcht0 192(%3,%0,8) \n\t"
"prefetcht0 256(%3,%0,8) \n\t"
"vmovups (%3,%0,8), %%ymm10 \n\t"
"vmovups 32(%3,%0,8), %%ymm11 \n\t"