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feat: add blas/base/wasm/cscal
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‎lib/node_modules/@stdlib/blas/base/wasm/cscal/README.md

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‎lib/node_modules/@stdlib/blas/base/wasm/cscal/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 hasWebAssemblySupport = require( '@stdlib/assert/has-wasm-support' );
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var uniform = require( '@stdlib/random/array/uniform' );
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var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
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var pow = require( '@stdlib/math/base/special/pow' );
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var Complex64Array = require( '@stdlib/array/complex64' );
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var Complex64 = require( '@stdlib/complex/float32/ctor' );
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var pkg = require( './../package.json' ).name;
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var cscal = require( './../lib' );
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// VARIABLES //
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var opts = {
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'skip': !hasWebAssemblySupport()
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};
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var options = {
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'dtype': 'float32'
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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 {PositiveInteger} len - array length
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* @returns {Function} benchmark function
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*/
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function createBenchmark( len ) {
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var xbuf;
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var x;
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var z;
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xbuf = uniform( len*2, -100.0, 100.0, options );
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x = new Complex64Array( xbuf.buffer );
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z = new Complex64( 1.0, 0.0 );
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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 i;
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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cscal.main( x.length, z, x, 1 );
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if ( isnanf( xbuf[ i%(len*2) ] ) ) {
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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 ( isnanf( xbuf[ i%(len*2) ] ) ) {
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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 len;
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var min;
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var max;
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var f;
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var i;
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min = 1; // 10^min
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max = 6; // 10^max
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for ( i = min; i <= max; i++ ) {
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len = pow( 10, i );
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f = createBenchmark( len );
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bench( pkg+':len='+len, opts, f );
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}
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}
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main();

‎lib/node_modules/@stdlib/blas/base/wasm/cscal/benchmark/benchmark.module.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 hasWebAssemblySupport = require( '@stdlib/assert/has-wasm-support' );
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var Memory = require( '@stdlib/wasm/memory' );
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var pkg = require( './../package.json' ).name;
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var cscal = require( './../lib' );
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// VARIABLES //
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var opts = {
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'skip': !hasWebAssemblySupport()
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};
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// MAIN //
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bench( pkg+':Module:constructor', opts, function benchmark( b ) {
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var values;
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var o;
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var v;
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var i;
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o = {
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'initial': 0
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};
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values = [
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new Memory( o ),
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new Memory( o )
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];
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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v = new cscal.Module( values[ i%values.length ] );
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if ( typeof v !== 'object' ) {
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b.fail( 'should return an object' );
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}
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}
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b.toc();
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if ( typeof v !== 'object' ) {
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b.fail( 'should return an object' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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});

‎lib/node_modules/@stdlib/blas/base/wasm/cscal/benchmark/benchmark.module.main.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 hasWebAssemblySupport = require( '@stdlib/assert/has-wasm-support' );
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var Memory = require( '@stdlib/wasm/memory' );
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var bytesPerElement = require( '@stdlib/ndarray/base/bytes-per-element' );
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var uniform = require( '@stdlib/random/array/uniform' );
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var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
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var pow = require( '@stdlib/math/base/special/pow' );
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var Float32Array = require( '@stdlib/array/float32' );
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var pkg = require( './../package.json' ).name;
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var cscal = require( './../lib' );
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// VARIABLES //
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var opts = {
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'skip': !hasWebAssemblySupport()
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};
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var options = {
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'dtype': 'float32'
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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 {PositiveInteger} len - array length
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* @returns {Function} benchmark function
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*/
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function createBenchmark( len ) {
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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 byteOffset;
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var view;
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var xptr;
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var zptr;
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var mod;
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var mem;
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var nb;
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var N;
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var i;
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N = len * 2;
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// Create a new BLAS routine interface:
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mem = new Memory({
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'initial': 0
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});
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mod = new cscal.Module( mem );
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// Initialize the module:
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mod.initializeSync(); // eslint-disable-line node/no-sync
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// Reallocate the underlying memory to allow storing one vector and a complex number:
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nb = bytesPerElement( 'complex64' );
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mod.realloc( (N*nb)+nb );
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// Define a pointer (i.e., byte offset) to the first vector element:
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xptr = 0;
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// Define a pointer to a complex number:
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zptr = N * nb;
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// Write random values to module memory:
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mod.write( xptr, uniform( N, -100.0, 100.0, options ) );
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mod.write( zptr, new Float32Array( [ 1.0, 0.0 ] ) );
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// Retrieve a DataView of module memory:
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view = mod.view;
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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mod.main( len, zptr, xptr, 1 );
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byteOffset = xptr + ( (i%len)*nb );
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if ( isnanf( view.getFloat32( byteOffset, true ) ) ) {
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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 ( isnanf( view.getFloat32( byteOffset, true ) ) ) {
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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 len;
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var min;
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var max;
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var f;
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var i;
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min = 1; // 10^min
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max = 6; // 10^max
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for ( i = min; i <= max; i++ ) {
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len = pow( 10, i );
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f = createBenchmark( len );
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bench( pkg+'::module,pointers:len='+len, opts, f );
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}
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}
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main();

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