diff --git a/param.h b/param.h
index 1cf08a3fa..72d721d4e 100644
--- a/param.h
+++ b/param.h
@@ -1521,11 +1521,11 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define GEMM_DEFAULT_OFFSET_B 0
 #define GEMM_DEFAULT_ALIGN 0x03fffUL
 
-#define SGEMM_DEFAULT_UNROLL_M  4
-#define SGEMM_DEFAULT_UNROLL_N  4
+#define SGEMM_DEFAULT_UNROLL_M  2
+#define SGEMM_DEFAULT_UNROLL_N  2
 
-#define DGEMM_DEFAULT_UNROLL_M  4
-#define DGEMM_DEFAULT_UNROLL_N  4
+#define DGEMM_DEFAULT_UNROLL_M  2
+#define DGEMM_DEFAULT_UNROLL_N  2
 
 #define CGEMM_DEFAULT_UNROLL_M  2
 #define CGEMM_DEFAULT_UNROLL_N  2
@@ -1534,19 +1534,19 @@ 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	44 
-#define CGEMM_DEFAULT_P 64
-#define ZGEMM_DEFAULT_P 32
+#define DGEMM_DEFAULT_P	24
+#define CGEMM_DEFAULT_P 24
+#define ZGEMM_DEFAULT_P 20
 
 #define SGEMM_DEFAULT_Q 192
-#define DGEMM_DEFAULT_Q 92
+#define DGEMM_DEFAULT_Q 128
 #define CGEMM_DEFAULT_Q 128
-#define ZGEMM_DEFAULT_Q 80
+#define ZGEMM_DEFAULT_Q 64
 
-#define SGEMM_DEFAULT_R 1024
-#define DGEMM_DEFAULT_R dgemm_r 
-#define CGEMM_DEFAULT_R 1024
-#define ZGEMM_DEFAULT_R 1024
+#define SGEMM_DEFAULT_R 512
+#define DGEMM_DEFAULT_R 512 
+#define CGEMM_DEFAULT_R 512
+#define ZGEMM_DEFAULT_R 512
 
 #define GEMM_OFFSET_A1	0x10000
 #define	GEMM_OFFSET_B1	0x100000