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| Original file line number | Diff line number | Diff line change |
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| /** | ||
| * @license Apache-2.0 | ||
| * | ||
| * Copyright (c) 2024 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. | ||
| */ | ||
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| 'use strict'; | ||
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| // MODULES // | ||
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| var bench = require( '@stdlib/bench-harness' ); | ||
| var isInteger = require( '@stdlib/assert-is-integer' ).isPrimitive; | ||
| var factory = require( './../lib' ); | ||
| var pkg = require( './../package.json' ).name; | ||
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| // VARIABLES // | ||
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| var Float64ArrayFE = factory( 'float64' ); | ||
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| // MAIN // | ||
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| bench( pkg+':lastIndexOf', function benchmark( b ) { | ||
| var arr; | ||
| var idx; | ||
| var i; | ||
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| arr = new Float64ArrayFE( 'little-endian', [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 ] ); | ||
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| b.tic(); | ||
| for ( i = 0; i < b.iterations; i++ ) { | ||
| idx = arr.lastIndexOf( 5.0, arr.length - 1 ); | ||
| if ( typeof idx !== 'number' ) { | ||
| b.fail( 'should return an integer' ); | ||
| } | ||
| } | ||
| b.toc(); | ||
| if ( !isInteger( idx ) ) { | ||
| b.fail( 'should return an integer' ); | ||
| } | ||
| b.pass( 'benchmark finished' ); | ||
| b.end(); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| /** | ||
| * @license Apache-2.0 | ||
| * | ||
| * Copyright (c) 2024 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. | ||
| */ | ||
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| 'use strict'; | ||
|
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| // MODULES // | ||
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| var bench = require( '@stdlib/bench-harness' ); | ||
| var pow = require( '@stdlib/math-base-special-pow' ); | ||
| var zeroTo = require( '@stdlib/array-zero-to' ); | ||
| var isInteger = require( '@stdlib/assert-is-integer' ).isPrimitive; | ||
| var factory = require( './../lib' ); | ||
| var pkg = require( './../package.json' ).name; | ||
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| // VARIABLES // | ||
|
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| var Float64ArrayFE = factory( 'float64' ); | ||
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|
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| // FUNCTIONS // | ||
|
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| /** | ||
| * Creates a benchmark function. | ||
| * | ||
| * @private | ||
| * @param {PositiveInteger} len - array length | ||
| * @returns {Function} benchmark function | ||
| */ | ||
| function createBenchmark( len ) { | ||
| var arr = new Float64ArrayFE( 'little-endian', zeroTo( len ) ); | ||
| return benchmark; | ||
|
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| /** | ||
| * Benchmark function. | ||
| * | ||
| * @private | ||
| * @param {Benchmark} b - benchmark instance | ||
| */ | ||
| function benchmark( b ) { | ||
| var idx; | ||
| var v; | ||
| var i; | ||
|
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| v = len - 1; | ||
|
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| b.tic(); | ||
| for ( i = 0; i < b.iterations; i++ ) { | ||
| idx = arr.lastIndexOf( v ); | ||
| if ( typeof idx !== 'number' ) { | ||
| b.fail( 'should return an integer' ); | ||
| } | ||
| } | ||
| b.toc(); | ||
| if ( !isInteger( idx ) ) { | ||
| b.fail( 'should return an integer' ); | ||
| } | ||
| b.pass( 'benchmark finished' ); | ||
| b.end(); | ||
| } | ||
| } | ||
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| // MAIN // | ||
|
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| /** | ||
| * Main execution sequence. | ||
| * | ||
| * @private | ||
| */ | ||
| function main() { | ||
| var len; | ||
| var min; | ||
| var max; | ||
| var f; | ||
| var i; | ||
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| min = 1; // 10^min | ||
| max = 6; // 10^max | ||
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| for ( i = min; i <= max; i++ ) { | ||
| len = pow( 10, i ); | ||
| f = createBenchmark( len ); | ||
| bench( pkg+':lastIndexOf:len='+len, f ); | ||
| } | ||
| } | ||
|
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| main(); |
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