diff --git a/driver/level3/gemm_thread_n.c b/driver/level3/gemm_thread_n.c
index ba54612eb..62907fa65 100644
--- a/driver/level3/gemm_thread_n.c
+++ b/driver/level3/gemm_thread_n.c
@@ -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;
     
diff --git a/driver/others/parameter.c b/driver/others/parameter.c
index 4a8542a93..fc7f0447e 100644
--- a/driver/others/parameter.c
+++ b/driver/others/parameter.c
@@ -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
diff --git a/param.h b/param.h
index 1c729e8b9..4ffe05cf8 100644
--- a/param.h
+++ b/param.h
@@ -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