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bench: refactor random number generation in stats/base/dists/degenerate #4862

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merged 1 commit into from
Jan 26, 2025
Merged

bench: refactor random number generation in stats/base/dists/degenerate #4862

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25 changes: 19 additions & 6 deletions lib/node_modules/@stdlib/stats/base/dists/degenerate/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 pkg = require( './../package.json' ).name;
var cdf = require( './../lib' );
Expand All @@ -30,16 +31,23 @@ var cdf = require( './../lib' );
// MAIN //

bench( pkg, function benchmark( b ) {
var len;
var mu;
var x;
var y;
var i;

len = 100;
x = new Float64Array( len );
mu = new Float64Array( len );
for ( i = 0; i < len; i++ ) {
x[ i ] = uniform( -100.0, 0.0 );
mu[ i ] = uniform( -50.0, 50.0 );
}

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
x = ( randu()*100.0 ) - 100;
mu = ( randu()*100.0 ) - 50.0;
y = cdf( x, mu );
y = cdf( x[ i % len ], mu[ i % len ] );
if ( isnan( y ) ) {
b.fail( 'should not return NaN' );
}
Expand All @@ -54,18 +62,23 @@ bench( pkg, function benchmark( b ) {

bench( pkg+':factory', function benchmark( b ) {
var mycdf;
var len;
var mu;
var x;
var y;
var i;

mu = 40.0;
mycdf = cdf.factory( mu );
len = 100;
x = new Float64Array( len );
for ( i = 0; i < len; i++ ) {
x[ i ] = uniform( 0.0, 100.0 );
}

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
x = ( randu()*100.0 );
y = mycdf( x );
y = mycdf( x[ i % len ] );
if ( isnan( y ) ) {
b.fail( 'should not return NaN' );
}
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