floraachy
/
OpenBLAS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

optimized sgemv_t

This commit is contained in:
wernsaar 2014-09-06 18:34:25 +02:00
parent cf5544b417
commit 3a7ab47ee9
1 changed files with 61 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
kernel/x86_64/sgemv_t_4.c
View File

@ -80,9 +80,9 @@ static void sgemv_kernel_4x2(BLASLONG n, FLOAT *ap0, FLOAT *ap1, FLOAT *x, FLOAT
(
"xorps %%xmm10 , %%xmm10 \n\t"
"xorps %%xmm11 , %%xmm11 \n\t"
".align 16 \n\t"
".L01LOOP%=: \n\t"
"testq $4 , %1 \n\t"
"jz .L01LABEL%= \n\t"
"movups (%5,%0,4) , %%xmm14 \n\t" // x
"movups (%3,%0,4) , %%xmm12 \n\t" // ap0
@ -94,8 +94,36 @@ static void sgemv_kernel_4x2(BLASLONG n, FLOAT *ap0, FLOAT *ap1, FLOAT *x, FLOAT
"subq $4 , %1 \n\t"
"addps %%xmm13 , %%xmm11 \n\t"
".L01LABEL%=: \n\t"
"cmpq $0, %1 \n\t"
"je .L01END%= \n\t"
".align 16 \n\t"
".L01LOOP%=: \n\t"
"movups (%5,%0,4) , %%xmm14 \n\t" // x
"movups (%3,%0,4) , %%xmm12 \n\t" // ap0
"movups (%4,%0,4) , %%xmm13 \n\t" // ap1
"mulps %%xmm14 , %%xmm12 \n\t"
"mulps %%xmm14 , %%xmm13 \n\t"
"addps %%xmm12 , %%xmm10 \n\t"
"addps %%xmm13 , %%xmm11 \n\t"
"movups 16(%5,%0,4) , %%xmm14 \n\t" // x
"movups 16(%3,%0,4) , %%xmm12 \n\t" // ap0
"movups 16(%4,%0,4) , %%xmm13 \n\t" // ap1
"mulps %%xmm14 , %%xmm12 \n\t"
"mulps %%xmm14 , %%xmm13 \n\t"
"addps %%xmm12 , %%xmm10 \n\t"
"addps %%xmm13 , %%xmm11 \n\t"
"addq $8 , %0 \n\t"
"subq $8 , %1 \n\t"
"jnz .L01LOOP%= \n\t"
".L01END%=: \n\t"
"haddps %%xmm10, %%xmm10 \n\t"
"haddps %%xmm11, %%xmm11 \n\t"
"haddps %%xmm10, %%xmm10 \n\t"
@ -113,7 +141,8 @@ static void sgemv_kernel_4x2(BLASLONG n, FLOAT *ap0, FLOAT *ap1, FLOAT *x, FLOAT
"r" (ap1), // 4
"r" (x) // 5
: "cc",
"%xmm10", "%xmm11", "%xmm12",
"%xmm4", "%xmm5", "%xmm10", "%xmm11",
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
"memory"
);
@ -130,10 +159,11 @@ static void sgemv_kernel_4x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y)
__asm__ __volatile__
(
"xorps %%xmm9 , %%xmm9 \n\t"
"xorps %%xmm10 , %%xmm10 \n\t"
".align 16 \n\t"
".L01LOOP%=: \n\t"
"testq $4 , %1 \n\t"
"jz .L01LABEL%= \n\t"
"movups (%3,%0,4) , %%xmm12 \n\t"
"movups (%4,%0,4) , %%xmm11 \n\t"
@ -142,8 +172,30 @@ static void sgemv_kernel_4x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y)
"addps %%xmm12 , %%xmm10 \n\t"
"subq $4 , %1 \n\t"
".L01LABEL%=: \n\t"
"cmpq $0, %1 \n\t"
"je .L01END%= \n\t"
".align 16 \n\t"
".L01LOOP%=: \n\t"
"movups (%3,%0,4) , %%xmm12 \n\t"
"movups 16(%3,%0,4) , %%xmm14 \n\t"
"movups (%4,%0,4) , %%xmm11 \n\t"
"movups 16(%4,%0,4) , %%xmm13 \n\t"
"mulps %%xmm11 , %%xmm12 \n\t"
"mulps %%xmm13 , %%xmm14 \n\t"
"addq $8 , %0 \n\t"
"addps %%xmm12 , %%xmm10 \n\t"
"subq $8 , %1 \n\t"
"addps %%xmm14 , %%xmm9 \n\t"
"jnz .L01LOOP%= \n\t"
".L01END%=: \n\t"
"addps %%xmm9 , %%xmm10 \n\t"
"haddps %%xmm10, %%xmm10 \n\t"
"haddps %%xmm10, %%xmm10 \n\t"
@ -157,7 +209,8 @@ static void sgemv_kernel_4x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y)
"r" (ap), // 3
"r" (x) // 4
: "cc",
"%xmm10", "%xmm11", "%xmm12",
"%xmm9", "%xmm10" ,
"%xmm11", "%xmm12", "%xmm13", "%xmm14",
"memory"
);