diff --git a/frame/base/bli_rntm.c b/frame/base/bli_rntm.c
index 2c7d6019c..d5d86e9fb 100644
--- a/frame/base/bli_rntm.c
+++ b/frame/base/bli_rntm.c
@@ -2120,9 +2120,6 @@ BLIS_INLINE void aocl_dcopyv_dynamic
 			break;
 
 		case BLIS_ARCH_ZEN4:
-		case BLIS_ARCH_ZEN:
-		case BLIS_ARCH_ZEN2:
-		case BLIS_ARCH_ZEN3:
 
 			if ( n_elem <= 17000 )
 				*nt_ideal = 1;
@@ -2134,6 +2131,18 @@ BLIS_INLINE void aocl_dcopyv_dynamic
 				*nt_ideal = 8;
 				// dcopy does not scale with more than 8 threads
 			break;
+		case BLIS_ARCH_ZEN:
+		case BLIS_ARCH_ZEN2:
+		case BLIS_ARCH_ZEN3:
+
+			if ( n_elem <= 17000 )
+				*nt_ideal = 1;
+			else if (n_elem <= 52200)
+				*nt_ideal = 4;
+			else
+				*nt_ideal = 8;
+				// dcopy does not scale with more than 8 threads
+			break;
 
 		default:
 			// Without this default condition, compiler will throw