feat: add C implementation for lapack/base/dlacpy
#5210
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| /** | ||
| * @license Apache-2.0 | ||
| * | ||
| * Copyright (c) 2025 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 resolve = require( 'path' ).resolve; | ||
| var bench = require( '@stdlib/bench' ); | ||
| var uniform = require( '@stdlib/random/array/uniform' ); | ||
| var isnan = require( '@stdlib/math/base/assert/is-nan' ); | ||
| var pow = require( '@stdlib/math/base/special/pow' ); | ||
| var floor = require( '@stdlib/math/base/special/floor' ); | ||
| var tryRequire = require( '@stdlib/utils/try-require' ); | ||
| var pkg = require( './../package.json' ).name; | ||
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| // VARIABLES // | ||
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| var dlacpy = tryRequire( resolve( __dirname, './../lib/dlacpy.native.js' ) ); | ||
| var opts = { | ||
| 'skip': ( dlacpy instanceof Error ) | ||
| }; | ||
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| // FUNCTIONS // | ||
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| /** | ||
| * Creates a benchmark function. | ||
| * | ||
| * @private | ||
| * @param {PositiveInteger} N - number of elements along each dimension | ||
| * @returns {Function} benchmark function | ||
| */ | ||
| function createBenchmark( N ) { | ||
| var options; | ||
| var A; | ||
| var B; | ||
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| options = { | ||
| 'dtype': 'float64' | ||
| }; | ||
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| A = uniform( N*N, -10.0, 10.0, options ); | ||
| B = uniform( N*N, -10.0, 10.0, options ); | ||
| return benchmark; | ||
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| /** | ||
| * Benchmark function. | ||
| * | ||
| * @private | ||
| * @param {Benchmark} b - benchmark instance | ||
| */ | ||
| function benchmark( b ) { | ||
| var z; | ||
| var i; | ||
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| b.tic(); | ||
| for ( i = 0; i < b.iterations; i++ ) { | ||
| z = dlacpy( 'column-major', 'all', N, N, A, N, B, N ); | ||
| if ( isnan( z[ i%z.length ] ) ) { | ||
| b.fail( 'should not return NaN' ); | ||
| } | ||
| } | ||
| b.toc(); | ||
| if ( isnan( z[ i%z.length ] ) ) { | ||
| b.fail( 'should not return NaN' ); | ||
| } | ||
| b.pass( 'benchmark finished' ); | ||
| b.end(); | ||
| } | ||
| } | ||
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| // MAIN // | ||
|
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| /** | ||
| * Main execution sequence. | ||
| * | ||
| * @private | ||
| */ | ||
| function main() { | ||
| var min; | ||
| var max; | ||
| var N; | ||
| 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++ ) { | ||
| N = floor( pow( pow( 10, i ), 1.0/2.0 ) ); | ||
| f = createBenchmark( N ); | ||
| bench( pkg+':native::order=column-major,size='+(N*N), opts, f ); | ||
| } | ||
| } | ||
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| main(); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| /** | ||
| * @license Apache-2.0 | ||
| * | ||
| * Copyright (c) 2025 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 resolve = require( 'path' ).resolve; | ||
| var bench = require( '@stdlib/bench' ); | ||
| var uniform = require( '@stdlib/random/array/uniform' ); | ||
| var isnan = require( '@stdlib/math/base/assert/is-nan' ); | ||
| var pow = require( '@stdlib/math/base/special/pow' ); | ||
| var floor = require( '@stdlib/math/base/special/floor' ); | ||
| var tryRequire = require( '@stdlib/utils/try-require' ); | ||
| var pkg = require( '@stdlib/lapack/base/dlacpy/package.json' ).name; | ||
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| // VARIABLES // | ||
|
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| var dlacpy = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); | ||
| var opts = { | ||
| 'skip': ( dlacpy instanceof Error ) | ||
| }; | ||
|
|
||
|
|
||
| // FUNCTIONS // | ||
|
|
||
| /** | ||
| * Creates a benchmark function. | ||
| * | ||
| * @private | ||
| * @param {PositiveInteger} N - number of elements along each dimension | ||
| * @returns {Function} benchmark function | ||
| */ | ||
| function createBenchmark( N ) { | ||
| var options; | ||
| var A; | ||
| var B; | ||
|
|
||
| options = { | ||
| 'dtype': 'float64' | ||
| }; | ||
|
|
||
| A = uniform( N*N, -10.0, 10.0, options ); | ||
| B = uniform( N*N, -10.0, 10.0, options ); | ||
| return benchmark; | ||
|
|
||
| /** | ||
| * Benchmark function. | ||
| * | ||
| * @private | ||
| * @param {Benchmark} b - benchmark instance | ||
| */ | ||
| function benchmark( b ) { | ||
| var z; | ||
| var i; | ||
|
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| b.tic(); | ||
| for ( i = 0; i < b.iterations; i++ ) { | ||
| z = dlacpy( 'all', N, N, A, 1, N, 0, B, 1, N, 0 ); | ||
| if ( isnan( z[ i%z.length ] ) ) { | ||
| b.fail( 'should not return NaN' ); | ||
| } | ||
| } | ||
| b.toc(); | ||
| if ( isnan( z[ i%z.length ] ) ) { | ||
| b.fail( 'should not return NaN' ); | ||
| } | ||
| b.pass( 'benchmark finished' ); | ||
| b.end(); | ||
| } | ||
| } | ||
|
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||
|
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| // MAIN // | ||
|
|
||
| /** | ||
| * Main execution sequence. | ||
| * | ||
| * @private | ||
| */ | ||
| function main() { | ||
| var min; | ||
| var max; | ||
| var N; | ||
| 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++ ) { | ||
| N = floor( pow( pow( 10, i ), 1.0/2.0 ) ); | ||
| f = createBenchmark( N ); | ||
| bench( pkg+'::native:ndarray:order=column-major,size='+(N*N), opts, f ); | ||
| } | ||
| } | ||
|
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| main(); |
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This array is not mutated. Applies here and below.