feat: benchmarks with precomputation

stdlib-js · Dec 8, 2024 · e24d264 · e24d264
1 parent b5432f0
commit e24d264
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Showing 3 changed files with 14 additions and 9 deletions.
diff --git a/lib/node_modules/@stdlib/math/base/special/dirac-deltaf/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/dirac-deltaf/benchmark/benchmark.js
@@ -21,7 +21,7 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var randu = require( '@stdlib/random/array/discrete-uniform' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pkg = require( './../package.json' ).name;
 var diracDeltaf = require( './../lib' );
@@ -34,10 +34,11 @@ bench( pkg, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = randu( 100, -50, 50 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu() * 100.0 ) - 50.0;
-		y = diracDeltaf( x );
+		y = diracDeltaf( x[ i % x.length ] );
 		if ( isnanf( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

diff --git a/lib/node_modules/@stdlib/math/base/special/dirac-deltaf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/dirac-deltaf/benchmark/benchmark.native.js
@@ -22,7 +22,7 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var randu = require( '@stdlib/random/array/discrete-uniform' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;
@@ -43,10 +43,11 @@ bench( pkg+'::native', opts, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = randu( 100, -50, 50 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*100.0 ) - 50.0;
-		y = diracDeltaf( x );
+		y = diracDeltaf( x[ i % x.length ] );
 		if ( isnanf( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

diff --git a/lib/node_modules/@stdlib/math/base/special/dirac-deltaf/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/dirac-deltaf/benchmark/c/native/benchmark.c
@@ -91,15 +91,18 @@ static double rand_float( void ) {
 */
 static double benchmark( void ) {
 	double elapsed;
-	float x;
+	float x[ 100 ];
 	float y;
 	double t;
 	int i;
 
+	for ( i = 0; i < 100 ; i++ ) {
+		x[ i ] = ( 100.0f * rand_float() ) - 50.0f;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 100.0f * rand_float() ) - 50.0f;
-		y = stdlib_base_dirac_deltaf( x );
+		y = stdlib_base_dirac_deltaf( x[ i % 100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;