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Update dgemm_kernel_4x8_haswell.S

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wjc404 2019-07-19 23:58:24 +08:00 committed by GitHub
parent 9c89757562
commit 825777faab
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1 changed files with 9 additions and 2 deletions
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11
kernel/x86_64/dgemm_kernel_4x8_haswell.S
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@ -1865,12 +1865,15 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
SAVE4x12 SAVE4x12
/* here for the prefetch of next b source block */
/* the increment should be proportional to the ratio of GEMM_Q/GEMM_P */
/* currently an increment of 128 byte is suitable */
salq $3, K salq $3, K
prefetcht2 32(B) prefetcht2 32(B)
prefetcht2 32(B, K, 8) prefetcht2 32(B, K, 8)
prefetcht2 96(B) prefetcht2 96(B)
prefetcht2 96(B, K, 8) prefetcht2 96(B, K, 8)
addq $128, B addq $128, B /* increment */
sarq $3, K sarq $3, K
decq I # i -- decq I # i --
@ -1880,6 +1883,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/************************************************************************** /**************************************************************************
* Rest of M * Rest of M
***************************************************************************/ ***************************************************************************/
/* recover the original value of pointer B */
movq M, I movq M, I
sarq $2, I sarq $2, I
salq $7, I salq $7, I
@ -2160,6 +2164,9 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
SAVE4x12 SAVE4x12
/* here for the prefetch of next b source block */
/* the increment should be proportional to the ratio of GEMM_Q/GEMM_P */
/* currently an increment of 128 byte is suitable */
salq $3, K salq $3, K
prefetcht2 (B) prefetcht2 (B)
prefetcht2 (B, K, 8) prefetcht2 (B, K, 8)
@ -2175,7 +2182,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/************************************************************************** /**************************************************************************
* Rest of M * Rest of M
***************************************************************************/ ***************************************************************************/
/* recover the original value of pointer B */
movq M, I movq M, I
sarq $2, I sarq $2, I
salq $7, I salq $7, I