bench: refactor to use dynamic memory allocation

PR-URL: #9218
Ref: #8643
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: Erennn7

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

@@ -88,11 +88,13 @@ static double tic( void ) {
 */
 static double benchmark1( int iterations, int N ) {
 	double elapsed;
-	float A[ N*N ];
-	float x[ N ];
+	float *A;
+	float *x;
 	double t;
 	int i;
 
+	x = (float *)malloc( N * sizeof( float ) );
+	A = (float *)malloc( N * N * sizeof( float ) );
 	stdlib_strided_sfill( N, 1.0f, x, 1 );
 	stdlib_strided_sfill( N*N, 1.0f, A, 1 );
 	t = tic();
@@ -107,6 +109,8 @@ 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( A );
 	return elapsed;
 }
 
@@ -119,11 +123,13 @@ static double benchmark1( int iterations, int N ) {
 */
 static double benchmark2( int iterations, int N ) {
 	double elapsed;
-	float A[ N*N ];
-	float x[ N ];
+	float *A;
+	float *x;
 	double t;
 	int i;
 
+	x = (float *)malloc( N * sizeof( float ) );
+	A = (float *)malloc( N * N * sizeof( float ) );
 	stdlib_strided_sfill( N, 1.0f, x, 1 );
 	stdlib_strided_sfill( N*N, 1.0f, A, 1 );
 	t = tic();
@@ -138,6 +144,8 @@ 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( A );
 	return elapsed;
 }