bench: refactor to avoid value creation during benchmarking

Author: kgryte

lib/node_modules/@stdlib/math/base/tools/evalpoly/benchmark/benchmark.factory.js

@@ -21,7 +21,7 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var factory = require( './../lib/factory.js' );
@@ -30,18 +30,18 @@ var factory = require( './../lib/factory.js' );
 // MAIN //
 
 bench( pkg+'::create:factory', function benchmark( b ) {
-	var c;
+	var values;
 	var f;
 	var i;
 
-	c = [];
-	for ( i = 0; i < 10; i++ ) {
-		c.push( randu() );
-	}
+	values = [
+		uniform( 10, 0.0, 100.0 ),
+		uniform( 10, 0.0, 100.0 ),
+		uniform( 10, 0.0, 100.0 )
+	];
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		c[ 0 ] = randu();
-		f = factory( c );
+		f = factory( values[ i%values.length ] );
 		if ( typeof f !== 'function' ) {
 			b.fail( 'should return a function' );
 		}
@@ -55,22 +55,17 @@ bench( pkg+'::create:factory', function benchmark( b ) {
 });
 
 bench( pkg+'::evaluate:factory', function benchmark( b ) {
-	var x;
+	var values;
 	var v;
 	var f;
-	var c;
 	var i;
 
-	c = [];
-	for ( i = 0; i < 10; i++ ) {
-		c.push( randu() );
-	}
-	f = factory( c );
+	f = factory( uniform( 10, 0.0, 100.0 ) );
+	values = uniform( 10, 0.0, 100.0 );
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = randu() * 100.0;
-		v = f( x );
+		v = f( values[ i%values.length ] );
 		if ( isnan( v ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/tools/evalpoly/benchmark/benchmark.factory.length.js

@@ -22,7 +22,7 @@
 
 var bench = require( '@stdlib/bench' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var factory = require( './../lib/factory.js' );
@@ -38,15 +38,7 @@ var factory = require( './../lib/factory.js' );
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var polyval;
-	var c;
-	var i;
-
-	c = [];
-	for ( i = 0; i < len; i++ ) {
-		c.push( randu() );
-	}
-	polyval = factory( c );
+	var polyval = factory( uniform( len, 0.0, 100.0 ) );
 	return benchmark;
 
 	/**
@@ -60,10 +52,11 @@ function createBenchmark( len ) {
 		var v;
 		var i;
 
+		x = uniform( 10, 0.0, 100.0 );
+
 		b.tic();
 		for ( i = 0; i < b.iterations; i++ ) {
-			x = randu() * 100.0;
-			v = polyval( x );
+			v = polyval( x[ i%x.length ] );
 			if ( isnan( v ) ) {
 				b.fail( 'should not return NaN' );
 			}

lib/node_modules/@stdlib/math/base/tools/evalpoly/benchmark/benchmark.js

@@ -21,7 +21,7 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var evalpoly = require( './../lib' );
@@ -30,20 +30,21 @@ var evalpoly = require( './../lib' );
 // MAIN //
 
 bench( pkg, function benchmark( b ) {
-	var c;
+	var coefs;
 	var x;
 	var v;
 	var i;
 
-	c = [];
-	for ( i = 0; i < 10; i++ ) {
-		c.push( randu() );
-	}
+	coefs = [
+		uniform( 10, 0.0, 100.0 ),
+		uniform( 10, 0.0, 100.0 ),
+		uniform( 10, 0.0, 100.0 )
+	];
+	x = uniform( 10, 0.0, 100.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		c[ 0 ] = randu();
-		x = randu() * 100.0;
-		v = evalpoly( c, x );
+		v = evalpoly( coefs[ i%coefs.length ], x[ i%x.length ] );
 		if ( isnan( v ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/tools/evalpoly/benchmark/benchmark.length.js

@@ -22,7 +22,7 @@
 
 var bench = require( '@stdlib/bench' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var evalpoly = require( './../lib' );
@@ -38,13 +38,7 @@ var evalpoly = require( './../lib' );
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var c;
-	var i;
-
-	c = [];
-	for ( i = 0; i < len; i++ ) {
-		c.push( randu() );
-	}
+	var c = uniform( len, 0.0, 100.0 );
 	return benchmark;
 
 	/**
@@ -58,10 +52,11 @@ function createBenchmark( len ) {
 		var v;
 		var i;
 
+		x = uniform( 10, 0.0, 100.0 );
+
 		b.tic();
 		for ( i = 0; i < b.iterations; i++ ) {
-			x = randu() * 100.0;
-			v = evalpoly( c, x );
+			v = evalpoly( c, x[ i%x.length ] );
 			if ( isnan( v ) ) {
 				b.fail( 'should not return NaN' );
 			}