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Modify aligned address of sa and sb to improve the performance of multi-threads.

This commit is contained in:
traz 2011-09-23 20:59:48 +00:00
parent e08cfaf9ca
commit 831858b883
3 changed files with 12 additions and 23 deletions
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6
driver/level3/gemm_thread_n.c
View File

@ -71,15 +71,15 @@ int CNAME(int mode, blas_arg_t *arg, BLASLONG *range_m, BLASLONG *range_n, int (
queue[num_cpu].args = arg;
queue[num_cpu].range_m = range_m;
queue[num_cpu].range_n = &range[num_cpu];
queue[num_cpu].sa = NULL;
queue[num_cpu].sb = NULL;
queue[num_cpu].sa = sa + GEMM_OFFSET_A1 * num_cpu; //NULL;
queue[num_cpu].sb = queue[num_cpu].sa + GEMM_OFFSET_A1 * 5;//NULL;
queue[num_cpu].next = &queue[num_cpu + 1];
num_cpu ++;
}
if (num_cpu) {
queue[0].sa = sa;
queue[0].sb = sb;
queue[0].sb = sa + GEMM_OFFSET_A1 * 5;
queue[num_cpu - 1].next = NULL;

4
driver/others/parameter.c
View File

@ -688,11 +688,11 @@ void blas_set_parameter(void){
if(blas_num_threads == 1){
#endif
//single thread
dgemm_r = 1000;
dgemm_r = 1024;
#ifdef SMP
}else{
//multi thread
dgemm_r = 300;
dgemm_r = 200;
}
#endif
#endif

25
param.h
View File

@ -1493,33 +1493,22 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define ZGEMM_DEFAULT_UNROLL_N 2
#define SGEMM_DEFAULT_P 64
#define DGEMM_DEFAULT_P 32
#define DGEMM_DEFAULT_P 44
#define CGEMM_DEFAULT_P 64
#define ZGEMM_DEFAULT_P 32
#define SGEMM_DEFAULT_Q 192
#define DGEMM_DEFAULT_Q 112
#define CGEMM_DEFAULT_Q 192
#define DGEMM_DEFAULT_Q 92
#define CGEMM_DEFAULT_Q 128
#define ZGEMM_DEFAULT_Q 80
#define SGEMM_DEFAULT_R 1024
//#define DGEMM_DEFAULT_R 300
//#define DGEMM_DEFAULT_R 200
//#define DGEMM_DEFAULT_R 400
//#define DGEMM_DEFAULT_R 192
#define DGEMM_DEFAULT_R dgemm_r
//1000
//#define DGEMM_DEFAULT_R 160
//#define DGEMM_DEFAULT_R 270
#define DGEMM_DEFAULT_R dgemm_r
#define CGEMM_DEFAULT_R 1024
//#define ZGEMM_DEFAULT_R 1000
#define ZGEMM_DEFAULT_R 1000
#define ZGEMM_DEFAULT_R 1024
#define GEMM_OFFSET_A1 (DGEMM_DEFAULT_P*DGEMM_DEFAULT_Q*SIZE)
//#define GEMM_OFFSET_B1 0x10
#define GEMM_OFFSET_B1 (DGEMM_DEFAULT_Q*DGEMM_DEFAULT_R*SIZE)
#define GEMM_OFFSET 0x100000
#define GEMM_OFFSET1 0x40000
#define GEMM_OFFSET_A1 0x10000
#define GEMM_OFFSET_B1 0x100000
#define SYMV_P 16
#endif