Add benchmarks

Author: kgryte

lib/node_modules/@stdlib/array/complex64/benchmark/benchmark.get.js

@@ -0,0 +1,159 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2018 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var bench = require( '@stdlib/bench' );
+var Float32Array = require( '@stdlib/array/float32' );
+var Complex64 = require( '@stdlib/complex/float32' );
+var isComplex64 = require( '@stdlib/assert/is-complex64' );
+var isArray = require( '@stdlib/assert/is-array' );
+var pkg = require( './../package.json' ).name;
+var Complex64Array = require( './../lib' );
+
+
+// MAIN //
+
+bench( pkg+':get', function benchmark( b ) {
+	var arr;
+	var N;
+	var z;
+	var i;
+
+	arr = [];
+	for ( i = 0; i < 10; i++ ) {
+		arr.push( new Complex64( i, i ) );
+	}
+	arr = new Complex64Array( arr );
+	N = arr.length;
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		z = arr.get( i%N );
+		if ( typeof z !== 'object' ) {
+			b.fail( 'should return an object' );
+		}
+	}
+	b.toc();
+	if ( !isComplex64( z ) ) {
+		b.fail( 'should return a complex number' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
+
+bench( pkg+'::memory_reuse:get', function benchmark( b ) {
+	var arr;
+	var out;
+	var N;
+	var z;
+	var i;
+
+	arr = [];
+	for ( i = 0; i < 10; i++ ) {
+		arr.push( new Complex64( i, i ) );
+	}
+	arr = new Complex64Array( arr );
+	N = arr.length;
+
+	out = [ 0.0, 0.0 ];
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		z = arr.get( out, i%N );
+		if ( typeof z !== 'object' ) {
+			b.fail( 'should return an object' );
+		}
+	}
+	b.toc();
+	if ( !isArray( z ) || z.length !== 2 ) {
+		b.fail( 'should return an array' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
+
+bench( pkg+'::manual:get', function benchmark( b ) {
+	var arr;
+	var buf;
+	var N;
+	var z;
+	var i;
+	var j;
+
+	arr = [];
+	for ( i = 0; i < 10; i++ ) {
+		arr.push( new Complex64( i, i ) );
+	}
+	arr = new Complex64Array( arr );
+	N = arr.length;
+
+	buf = new Float32Array( arr.buffer );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		j = ( i%N ) * 2;
+		z = [ buf[ j ], buf[ j+1 ] ];
+		if ( typeof z !== 'object' ) {
+			b.fail( 'should return an object' );
+		}
+	}
+	b.toc();
+	if ( !isArray( z ) || z.length !== 2 ) {
+		b.fail( 'should return an array' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
+
+bench( pkg+'::manual,memory_reuse:get', function benchmark( b ) {
+	var arr;
+	var buf;
+	var out;
+	var N;
+	var i;
+	var j;
+
+	arr = [];
+	for ( i = 0; i < 10; i++ ) {
+		arr.push( new Complex64( i, i ) );
+	}
+	arr = new Complex64Array( arr );
+	N = arr.length;
+
+	buf = new Float32Array( arr.buffer );
+	out = [ 0.0, 0.0 ];
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		j = ( i%N ) * 2;
+		out[ 0 ] = buf[ j ];
+		out[ 1 ] = buf[ j+1 ];
+		if ( typeof out !== 'object' ) {
+			b.fail( 'should return an object' );
+		}
+	}
+	b.toc();
+	if ( !isArray( out ) || out.length !== 2 ) {
+		b.fail( 'should return an array' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});