diff --git a/param.h b/param.h
index 6c5e0f107..6a790ab61 100644
--- a/param.h
+++ b/param.h
@@ -2399,6 +2399,9 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define GEMM_DEFAULT_OFFSET_B 65536
 #define GEMM_DEFAULT_ALIGN 0x0ffffUL
 
+#define SWITCH_RATIO            16
+#define GEMM_PREFERED_SIZE      16
+
 #define SGEMM_DEFAULT_UNROLL_M 16
 #define SGEMM_DEFAULT_UNROLL_N 8
 #define DGEMM_DEFAULT_UNROLL_M 16
@@ -2435,6 +2438,9 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define GEMM_DEFAULT_OFFSET_B 65536
 #define GEMM_DEFAULT_ALIGN 0x0ffffUL
 
+#define SWITCH_RATIO            16
+#define GEMM_PREFERED_SIZE      16
+
 #define SGEMM_DEFAULT_UNROLL_M 16
 #define SGEMM_DEFAULT_UNROLL_N 8
 #define DGEMM_DEFAULT_UNROLL_M 8