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benchmark.reduce_right.length.js

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benchmark.reduce_right.length.js

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/**
* @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-harness' );
var pow = require( '@stdlib/math-base-special-pow' );
var format = require( '@stdlib/string-format' );
var pkg = require( './../package.json' ).name;
var Float32Array = require( './../lib' );
// FUNCTIONS //
/**
* Updates an accumulated value.
*
* @private
* @param {*} acc - accumulated value
* @param {*} value - array element
* @returns {*} accumulated value
*/
function fcn( acc, value ) {
return acc + value + 1.0;
}
/**
* Creates a benchmark function.
*
* @private
* @param {PositiveInteger} len - array length
* @returns {Function} benchmark function
*/
function createBenchmark( len ) {
var arr = new Float32Array( len );
return benchmark;
/**
* Benchmark function.
*
* @private
* @param {Benchmark} b - benchmark instance
*/
function benchmark( b ) {
var out;
var i;
b.tic();
for ( i = 0; i < b.iterations; i++ ) {
out = arr.reduceRight( fcn );
if ( out !== out ) {
b.fail( 'should not return NaN' );
}
}
b.toc();
if ( out !== out ) {
b.fail( 'should not return NaN' );
}
b.pass( 'benchmark finished' );
b.end();
}
}
// MAIN //
/**
* Main execution sequence.
*
* @private
*/
function main() {
var len;
var min;
var max;
var f;
var i;
min = 1; // 10^min
max = 6; // 10^max
for ( i = min; i <= max; i++ ) {
len = pow( 10, i );
f = createBenchmark( len );
bench( format( '%s:reduceRight:len=%d', pkg, len ), f );
}
}
main();
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