Merge pull request #4279 from martin-frbg/issue4269

Increase the default GEMM buffer size on modern ARM server cpus

Author: martin-frbg

common_arm64.h

@@ -162,7 +162,11 @@ static inline int blas_quickdivide(blasint x, blasint y){
 #define HUGE_PAGESIZE   ( 4 << 20)
 
 #ifndef BUFFERSIZE
+#if defined(NEOVERSEN1) || defined(NEOVERSEN2) || defined(NEOVERSEV1) || defined(A64FX) || defined(ARMV8SVE)
+#define BUFFER_SIZE     (32 << 22)
+#else
 #define BUFFER_SIZE     (32 << 20)
+#endif
 #else
 #define BUFFER_SIZE	(32 << BUFFERSIZE)
 #endif