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bench: refactor random number generation in stats/base/dists/beta #4837

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Merged
merged 1 commit into from
Jan 21, 2025
Merged

bench: refactor random number generation in stats/base/dists/beta #4837

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28 changes: 21 additions & 7 deletions lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,8 @@
// MODULES //

var bench = require( '@stdlib/bench' );
var randu = require( '@stdlib/random/base/randu' );
var Float64Array = require( '@stdlib/array/float64' );
var uniform = require( '@stdlib/random/base/uniform' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var EPS = require( '@stdlib/constants/float64/eps' );
var pkg = require( './../package.json' ).name;
Expand All @@ -33,16 +34,24 @@ var cdf = require( './../lib' );
bench( pkg, function benchmark( b ) {
var alpha;
var beta;
var len;
var x;
var y;
var i;

len = 100;
alpha = new Float64Array( len );
beta = new Float64Array( len );
x = new Float64Array( len );
for ( i = 0; i < len; i++ ) {
x[ i ] = uniform( EPS, 2.0 );
alpha[ i ] = uniform( EPS, 100.0 );
beta[ i ] = uniform( EPS, 100.0 );
}

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
x = ( randu()*2.0 ) + EPS;
alpha = ( randu()*100.0 ) + EPS;
beta = ( randu()*100.0 ) + EPS;
y = cdf( x, alpha, beta );
y = cdf( x[ i % len ], alpha[ i % len ], beta[ i % len ] );
if ( isnan( y ) ) {
b.fail( 'should not return NaN' );
}
Expand All @@ -59,18 +68,23 @@ bench( pkg+':factory', function benchmark( b ) {
var mycdf;
var alpha;
var beta;
var len;
var x;
var y;
var i;

alpha = 100.56789;
beta = 55.54321;
mycdf = cdf.factory( alpha, beta );
len = 100;
x = new Float64Array( len );
for ( i = 0; i < len; i++ ) {
x[ i ] = uniform( EPS, 2.0 );
}

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
x = ( randu()*2.0 ) + EPS;
y = mycdf( x );
y = mycdf( x[ i % len ] );
if ( isnan( y ) ) {
b.fail( 'should not return NaN' );
}
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