disable for arm

Author: slaren

ggml/src/ggml-cpu/ggml-cpu.c

@@ -7832,11 +7832,16 @@ static void ggml_compute_forward_mul_mat_id(
         const int64_t nr0 = ne01;
         const int64_t nr1 = cne1;
 
-        //int chunk_size = (nr0 + nr1) / nth;
+
+#if defined(__aarch64__)
+        // disable for ARM
+        int chunk_size = (nr0 + nr1) / nth;
+#else
         int chunk_size = 16;
         if (nr0 == 1 || nr1 == 1) {
             chunk_size = 64;
         }
+#endif // defined(__aarch64__)
 
         int64_t nchunk0 = (nr0 + chunk_size - 1) / chunk_size;
         int64_t nchunk1 = (nr1 + chunk_size - 1) / chunk_size;