bench: refactor to use dynamic memory allocation

PR-URL: #9213
Ref: #8643
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: Erennn7

lib/node_modules/@stdlib/blas/base/dsyr2/benchmark/c/benchmark.c

@@ -88,12 +88,15 @@ static double tic( void ) {
 */
 static double benchmark1( int iterations, int N ) {
 	double elapsed;
-	double A[ N*N ];
-	double x[ N ];
-	double y[ N ];
+	double *A;
+	double *x;
+	double *y;
 	double t;
 	int i;
 
+	x = (double *)malloc( N * sizeof( double ) );
+	y = (double *)malloc( N * sizeof( double ) );
+	A = (double *)malloc( N * N * sizeof( double ) );
 	stdlib_strided_dfill( N, 1.0, x, 1 );
 	stdlib_strided_dfill( N, 1.0, y, 1 );
 	stdlib_strided_dfill( N*N, 1.0, A, 1 );
@@ -109,6 +112,9 @@ static double benchmark1( int iterations, int N ) {
 	if ( A[ i%(N*2) ] != A[ i%(N*2) ] ) {
 		printf( "should not return NaN\n" );
 	}
+	free( x );
+	free( y );
+	free( A );
 	return elapsed;
 }
 
@@ -121,12 +127,15 @@ static double benchmark1( int iterations, int N ) {
 */
 static double benchmark2( int iterations, int N ) {
 	double elapsed;
-	double A[ N*N ];
-	double x[ N ];
-	double y[ N ];
+	double *A;
+	double *x;
+	double *y;
 	double t;
 	int i;
 
+	x = (double *)malloc( N * sizeof( double ) );
+	y = (double *)malloc( N * sizeof( double ) );
+	A = (double *)malloc( N * N * sizeof( double ) );
 	stdlib_strided_dfill( N, 1.0, x, 1 );
 	stdlib_strided_dfill( N, 1.0, y, 1 );
 	stdlib_strided_dfill( N*N, 1.0, A, 1 );
@@ -142,6 +151,9 @@ static double benchmark2( int iterations, int N ) {
 	if ( A[ i%(N*2) ] != A[ i%(N*2) ] ) {
 		printf( "should not return NaN\n" );
 	}
+	free( x );
+	free( y );
+	free( A );
 	return elapsed;
 }