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bench: add benchmarks and cleanup
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‎lib/node_modules/@stdlib/lapack/base/dgebal/benchmark/benchmark.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var bench = require( '@stdlib/bench' );
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var uniform = require( '@stdlib/random/array/uniform' );
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var Float64Array = require( '@stdlib/array/float64' );
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var isnan = require( '@stdlib/math/base/assert/is-nan' );
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var pow = require( '@stdlib/math/base/special/pow' );
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var floor = require( '@stdlib/math/base/special/floor' );
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var pkg = require( './../package.json' ).name;
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var dgebal = require( './../lib/dgebal.js' );
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// VARIABLES //
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var LAYOUTS = [
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'row-major',
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'column-major'
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];
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var JOBS = [
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'permute',
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'scale',
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'both',
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'none'
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];
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// FUNCTIONS //
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/**
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* Creates a benchmark function.
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*
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* @private
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* @param {string} order - storage layout
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* @param {PositiveInteger} N - number of elements along each dimension
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* @param {string} job - indicates the operations to be performed
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* @returns {Function} benchmark function
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*/
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function createBenchmark( order, N, job ) {
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var scale;
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var out;
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var A;
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scale = new Float64Array( N );
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out = new Float64Array( 2 );
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A = uniform( N*N, -10.0, 10.0, {
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'dtype': 'float64'
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});
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return benchmark;
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/**
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* Benchmark function.
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*
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* @private
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* @param {Benchmark} b - benchmark instance
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*/
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function benchmark( b ) {
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var z;
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var i;
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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z = dgebal( order, job, N, A, N, out, scale );
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if ( isnan( z ) ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnan( z ) ) {
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b.fail( 'should not return NaN' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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}
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}
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// MAIN //
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/**
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* Main execution sequence.
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*
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* @private
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*/
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function main() {
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var min;
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var max;
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var ord;
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var job;
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var N;
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var f;
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var i;
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var j;
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var k;
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min = 1; // 10^min
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max = 6; // 10^max
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for ( k = 0; k < LAYOUTS.length; k++ ) {
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ord = LAYOUTS[ k ];
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for ( i = min; i <= max; i++ ) {
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N = floor( pow( pow( 10, i ), 1.0/2.0 ) );
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for ( j = 0; j < JOBS.length; j++ ) {
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job = JOBS[ j ];
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f = createBenchmark( ord, N, job );
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bench( pkg+'::square_matrix:order='+ord+',job='+job+',size='+(N*N), f );
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}
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}
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}
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}
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main();

‎lib/node_modules/@stdlib/lapack/base/dgebal/benchmark/benchmark.ndarray.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var bench = require( '@stdlib/bench' );
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var uniform = require( '@stdlib/random/array/uniform' );
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var Float64Array = require( '@stdlib/array/float64' );
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var isColumnMajor = require( '@stdlib/ndarray/base/assert/is-column-major-string' );
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var isnan = require( '@stdlib/math/base/assert/is-nan' );
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var pow = require( '@stdlib/math/base/special/pow' );
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var floor = require( '@stdlib/math/base/special/floor' );
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var pkg = require( './../package.json' ).name;
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var dgebal = require( './../lib/ndarray.js' );
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// VARIABLES //
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var LAYOUTS = [
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'row-major',
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'column-major'
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];
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var JOBS = [
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'permute',
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'scale',
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'both',
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'none'
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];
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// FUNCTIONS //
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/**
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* Creates a benchmark function.
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*
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* @private
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* @param {string} order - storage layout
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* @param {PositiveInteger} N - number of elements along each dimension
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* @param {string} job - indicates the operations to be performed
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* @returns {Function} benchmark function
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*/
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function createBenchmark( order, N, job ) {
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var scale;
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var out;
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var sa1;
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var sa2;
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var A;
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scale = new Float64Array( N );
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out = new Float64Array( 2 );
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A = uniform( N*N, -10.0, 10.0, {
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'dtype': 'float64'
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});
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if ( isColumnMajor( order ) ) {
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sa1 = 1;
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sa2 = N;
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} else {
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sa1 = N;
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sa2 = 1;
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}
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return benchmark;
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/**
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* Benchmark function.
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*
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* @private
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* @param {Benchmark} b - benchmark instance
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*/
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function benchmark( b ) {
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var z;
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var i;
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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z = dgebal( job, N, A, sa1, sa2, 0, out, 1, 0, scale, 1, 0 );
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if ( isnan( z ) ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnan( z ) ) {
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b.fail( 'should not return NaN' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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}
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}
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// MAIN //
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/**
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* Main execution sequence.
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*
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* @private
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*/
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function main() {
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var min;
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var max;
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var ord;
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var job;
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var N;
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var f;
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var i;
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var j;
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var k;
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min = 1; // 10^min
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max = 6; // 10^max
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for ( k = 0; k < LAYOUTS.length; k++ ) {
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ord = LAYOUTS[ k ];
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for ( i = min; i <= max; i++ ) {
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N = floor( pow( pow( 10, i ), 1.0/2.0 ) );
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for ( j = 0; j < JOBS.length; j++ ) {
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job = JOBS[ j ];
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f = createBenchmark( ord, N, job );
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bench( pkg+'::square_matrix:order='+ord+',job='+job+',size='+(N*N), f );
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}
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}
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}
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}
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main();

‎lib/node_modules/@stdlib/lapack/base/dgebal/lib/base.js‎

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@@ -43,7 +43,7 @@ var dscal = require( '@stdlib/blas/base/dscal' ).ndarray;
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* The job parameter can be one of the following:
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*
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* - 'none': none, return immediately
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* - 'permutate': permute only
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* - 'permute': permute only
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* - 'scale': scale only
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* - 'both': both permute and scale
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*
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is += strideScale;
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}
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if ( job === 'permutate' ) {
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if ( job === 'permute' ) {
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out[ offsetOut ] = k; // ilo
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out[ offsetOut + strideOut ] = l; // ihi
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return 0;

‎lib/node_modules/@stdlib/lapack/base/dgebal/lib/dgebal.js‎

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@@ -36,7 +36,7 @@ var base = require( './base.js' );
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* The job parameter can be one of the following:
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*
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* - 'none': none, return immediately
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* - 'permutate': permute only
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* - 'permute': permute only
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* - 'scale': scale only
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* - 'both': both permute and scale
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* - The matrix `A` is overwritten by the balanced matrix.
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if ( !isLayout( order ) ) {
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throw new TypeError( format( 'invalid argument. First argument must be a valid order. Value: `%s`.', order ) );
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}
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if ( job !== 'both' && job !== 'scale' && job !== 'permutate' && job !== 'none' ) {
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throw new TypeError( format( 'invalid argument. Second argument must be one of the following: `both`, `scale`, `permutate`, or `none`. Value: `%s`.', job ) );
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if ( job !== 'both' && job !== 'scale' && job !== 'permute' && job !== 'none' ) {
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throw new TypeError( format( 'invalid argument. Second argument must be one of the following: `both`, `scale`, `permute`, or `none`. Value: `%s`.', job ) );
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}
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if ( isColumnMajor( order ) ) {
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sa1 = 1;

‎lib/node_modules/@stdlib/lapack/base/dgebal/lib/ndarray.js‎

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@@ -34,7 +34,7 @@ var base = require( './base.js' );
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* The job parameter can be one of the following:
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*
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* - 'none': none, return immediately
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* - 'permutate': permute only
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* - 'permute': permute only
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* - 'scale': scale only
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* - 'both': both permute and scale
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* - The matrix `A` is overwritten by the balanced matrix.
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* // scale => <Float64Array>[ 8, 1, 2 ]
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*/
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function dgebal( job, N, A, strideA1, strideA2, offsetA, out, strideOut, offsetOut, scale, strideScale, offsetScale ) { // eslint-disable-line max-len, max-params
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if ( job !== 'both' && job !== 'scale' && job !== 'permutate' && job !== 'none' ) {
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throw new TypeError( format( 'invalid argument. Second argument must be one of the following: `both`, `scale`, `permutate`, or `none`. Value: `%s`.', job ) );
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if ( job !== 'both' && job !== 'scale' && job !== 'permute' && job !== 'none' ) {
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throw new TypeError( format( 'invalid argument. Second argument must be one of the following: `both`, `scale`, `permute`, or `none`. Value: `%s`.', job ) );
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}
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return base( job, N, A, strideA1, strideA2, offsetA, out, strideOut, offsetOut, scale, strideScale, offsetScale ); // eslint-disable-line max-len
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}

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