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feat: add blas/base/ccopy-wasm
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PR-URL: stdlib-js#3163
Ref: stdlib-js#2039
Co-authored-by: Athan Reines <kgryte@gmail.com>
Reviewed-by: Athan Reines <kgryte@gmail.com>
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2 people authored and Neerajpathak07 committed Dec 4, 2024
1 parent 015cb3a commit edbc5e6
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413 changes: 413 additions & 0 deletions lib/node_modules/@stdlib/blas/base/ccopy-wasm/README.md

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116 changes: 116 additions & 0 deletions lib/node_modules/@stdlib/blas/base/ccopy-wasm/benchmark/benchmark.js
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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.
*/

'use strict';

// MODULES //

var bench = require( '@stdlib/bench' );
var hasWebAssemblySupport = require( '@stdlib/assert/has-wasm-support' );
var uniform = require( '@stdlib/random/array/uniform' );
var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
var pow = require( '@stdlib/math/base/special/pow' );
var Complex64Array = require( '@stdlib/array/complex64' );
var pkg = require( './../package.json' ).name;
var ccopy = require( './../lib' );


// VARIABLES //

var opts = {
'skip': !hasWebAssemblySupport()
};
var options = {
'dtype': 'float32'
};


// FUNCTIONS //

/**
* Creates a benchmark function.
*
* @private
* @param {PositiveInteger} len - array length
* @returns {Function} benchmark function
*/
function createBenchmark( len ) {
var xbuf;
var ybuf;
var x;
var y;

xbuf = uniform( len*2, -100.0, 100.0, options );
x = new Complex64Array( xbuf.buffer );

ybuf = uniform( len*2, -100.0, 100.0, options );
y = new Complex64Array( ybuf.buffer );

return benchmark;

/**
* Benchmark function.
*
* @private
* @param {Benchmark} b - benchmark instance
*/
function benchmark( b ) {
var i;

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
ccopy.main( x.length, x, 1, y, 1 );
if ( isnanf( ybuf[ i%(len*2) ] ) ) {
b.fail( 'should not return NaN' );
}
}
b.toc();
if ( isnanf( ybuf[ i%(len*2) ] ) ) {
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( pkg+':len='+len, opts, f );
}
}

main();
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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.
*/

'use strict';

// MODULES //

var bench = require( '@stdlib/bench' );
var hasWebAssemblySupport = require( '@stdlib/assert/has-wasm-support' );
var Memory = require( '@stdlib/wasm/memory' );
var pkg = require( './../package.json' ).name;
var ccopy = require( './../lib' );


// VARIABLES //

var opts = {
'skip': !hasWebAssemblySupport()
};


// MAIN //

bench( pkg+':Module:constructor', opts, function benchmark( b ) {
var values;
var o;
var v;
var i;

o = {
'initial': 0
};
values = [
new Memory( o ),
new Memory( o )
];

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
v = new ccopy.Module( values[ i%values.length ] );
if ( typeof v !== 'object' ) {
b.fail( 'should return an object' );
}
}
b.toc();
if ( typeof v !== 'object' ) {
b.fail( 'should return an object' );
}
b.pass( 'benchmark finished' );
b.end();
});
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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.
*/

'use strict';

// MODULES //

var bench = require( '@stdlib/bench' );
var hasWebAssemblySupport = require( '@stdlib/assert/has-wasm-support' );
var Memory = require( '@stdlib/wasm/memory' );
var bytesPerElement = require( '@stdlib/ndarray/base/bytes-per-element' );
var uniform = require( '@stdlib/random/array/uniform' );
var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
var pow = require( '@stdlib/math/base/special/pow' );
var pkg = require( './../package.json' ).name;
var ccopy = require( './../lib' );


// VARIABLES //

var opts = {
'skip': !hasWebAssemblySupport()
};
var options = {
'dtype': 'float32'
};


// FUNCTIONS //

/**
* Creates a benchmark function.
*
* @private
* @param {PositiveInteger} len - array length
* @returns {Function} benchmark function
*/
function createBenchmark( len ) {
return benchmark;

/**
* Benchmark function.
*
* @private
* @param {Benchmark} b - benchmark instance
*/
function benchmark( b ) {
var byteOffset;
var view;
var xptr;
var yptr;
var mod;
var mem;
var nb;
var N;
var i;

N = len * 2;

// Create a new BLAS routine interface:
mem = new Memory({
'initial': 0
});
mod = new ccopy.Module( mem );

// Initialize the module:
mod.initializeSync(); // eslint-disable-line node/no-sync

// Reallocate the underlying memory to allow storing two vectors:
nb = bytesPerElement( 'complex64' );
mod.realloc( 2*(N*nb) );

// Define pointers (i.e., byte offsets) to the first vector elements:
xptr = 0;
yptr = N * nb;

// Write random values to module memory:
mod.write( xptr, uniform( N, -100.0, 100.0, options ) );
mod.write( yptr, uniform( N, -100.0, 100.0, options ) );

// Retrieve a DataView of module memory:
view = mod.view;

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
mod.main( len, xptr, 1, yptr, 1 );
byteOffset = yptr + ( (i%len)*nb );
if ( isnanf( view.getFloat32( byteOffset, true ) ) ) {
b.fail( 'should not return NaN' );
}
}
b.toc();
if ( isnanf( view.getFloat32( byteOffset, true ) ) ) {
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( pkg+'::module,pointers:len='+len, opts, f );
}
}

main();
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