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Merged
Planeshifter merged 1 commit into from
Jan 15, 2026
+106 −24
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bench: update random value generation #9738

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130 changes: 106 additions & 24 deletions lib/node_modules/@stdlib/stats/base/dists/kumaraswamy/ctor/benchmark/benchmark.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@
// MODULES //

var bench = require( '@stdlib/bench' );
var randu = require( '@stdlib/random/base/randu' );
var uniform = require( '@stdlib/random/array/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 @@ -30,17 +30,22 @@

// MAIN //

bench( pkg+'::instantiation', function benchmark( bm ) {

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var dist;
var opts;
var a;
var b;
var i;

opts = {
'dtype': 'float64'
};
a = uniform( 100, EPS, 10.0, opts );
b = uniform( 100, EPS, 10.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
a = ( randu() * 10.0 ) + EPS;
b = ( randu() * 10.0 ) + EPS;
dist = new Kumaraswamy( a, b );
dist = new Kumaraswamy( a[ i % a.length ], b[ i % b.length ] );
if ( !( dist instanceof Kumaraswamy ) ) {
bm.fail( 'should return a distribution instance' );
}
Expand All @@ -53,7 +58,7 @@
bm.end();
});

bench( pkg+'::get:a', function benchmark( bm ) {

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Use `@stdlib/string/format` instead of string concatenation for benchmark descriptions
var dist;
var a;
var b;
Expand All @@ -79,8 +84,9 @@
bm.end();
});

bench( pkg+'::set:a', function benchmark( bm ) {

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var dist;
var opts;
var a;
var b;
var y;
Expand All @@ -90,10 +96,14 @@
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
y = uniform( 100, EPS, 100.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
y = ( 100.0*randu() ) + EPS;
dist.a = y;
dist.a = y[ i % y.length ];
if ( dist.a !== y ) {
bm.fail( 'should return set value' );
}
Expand All @@ -106,7 +116,7 @@
bm.end();
});

bench( pkg+'::get:b', function benchmark( bm ) {

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var dist;
var a;
var b;
Expand All @@ -132,8 +142,9 @@
bm.end();
});

bench( pkg+'::set:b', function benchmark( bm ) {

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var dist;
var opts;
var a;
var b;
var y;
Expand All @@ -143,10 +154,14 @@
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
y = uniform( 100, EPS, 100.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
y = ( 100.0*randu() ) + EPS;
dist.b = y;
dist.b = y[ i % y.length ];
if ( dist.b !== y ) {
bm.fail( 'should return set value' );
}
Expand All @@ -159,20 +174,27 @@
bm.end();
});

bench( pkg+':kurtosis', function benchmark( bm ) {

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var dist;
var opts;
var a;
var b;
var x;
var y;
var i;

a = 100.56789;
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
x = uniform( 100, EPS, 100.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
dist.a = ( 100.0*randu() ) + EPS;
dist.a = x[ i % x.length ];
y = dist.kurtosis;
if ( isnan( y ) ) {
bm.fail( 'should not return NaN' );
Expand All @@ -186,20 +208,27 @@
bm.end();
});

bench( pkg+':mean', function benchmark( bm ) {

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Use `@stdlib/string/format` instead of string concatenation for benchmark descriptions
var dist;
var opts;
var a;
var b;
var x;
var y;
var i;

a = 100.56789;
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
x = uniform( 100, EPS, 100.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
dist.a = ( 100.0*randu() ) + EPS;
dist.a = x[ i % x.length ];
y = dist.mean;
if ( isnan( y ) ) {
bm.fail( 'should not return NaN' );
Expand All @@ -213,20 +242,27 @@
bm.end();
});

bench( pkg+':mode', function benchmark( bm ) {

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Use `@stdlib/string/format` instead of string concatenation for benchmark descriptions
var dist;
var opts;
var a;
var b;
var x;
var y;
var i;

a = 100.56789;
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
x = uniform( 100, EPS + 1.0, 100.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
dist.a = ( 100.0*randu() ) + 1.0 + EPS;
dist.a = x[ i % x.length ];
y = dist.mode;
if ( isnan( y ) ) {
bm.fail( 'should not return NaN' );
Expand All @@ -240,20 +276,27 @@
bm.end();
});

bench( pkg+':skewness', function benchmark( bm ) {

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Use `@stdlib/string/format` instead of string concatenation for benchmark descriptions
var dist;
var opts;
var a;
var b;
var x;
var y;
var i;

a = 100.56789;
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
x = uniform( 100, EPS, 100.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
dist.a = ( 100.0*randu() ) + EPS;
dist.a = x[ i % x.length ];
y = dist.skewness;
if ( isnan( y ) ) {
bm.fail( 'should not return NaN' );
Expand All @@ -267,20 +310,27 @@
bm.end();
});

bench( pkg+':stdev', function benchmark( bm ) {

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Use `@stdlib/string/format` instead of string concatenation for benchmark descriptions
var dist;
var opts;
var a;
var b;
var x;
var y;
var i;

a = 100.56789;
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
x = uniform( 100, EPS, 100.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
dist.a = ( 100.0*randu() ) + EPS;
dist.a = x[ i % x.length ];
y = dist.stdev;
if ( isnan( y ) ) {
bm.fail( 'should not return NaN' );
Expand All @@ -296,18 +346,25 @@

bench( pkg+':variance', function benchmark( bm ) {
var dist;
var opts;
var a;
var b;
var x;
var y;
var i;

a = 100.56789;
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
x = uniform( 100, EPS, 100.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
dist.a = ( 100.0*randu() ) + EPS;
dist.a = x[ i % x.length ];
y = dist.variance;
if ( isnan( y ) ) {
bm.fail( 'should not return NaN' );
Expand All @@ -323,6 +380,7 @@

bench( pkg+':cdf', function benchmark( bm ) {
var dist;
var opts;
var a;
var b;
var x;
Expand All @@ -333,10 +391,14 @@
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
x = uniform( 100, 0.0, 1.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
x = randu();
y = dist.cdf( x );
y = dist.cdf( x[ i % x.length ] );
if ( isnan( y ) ) {
bm.fail( 'should not return NaN' );
}
Expand All @@ -351,6 +413,7 @@

bench( pkg+':logcdf', function benchmark( bm ) {
var dist;
var opts;
var a;
var b;
var x;
Expand All @@ -361,10 +424,14 @@
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
x = uniform( 100, 0.0, 1.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
x = randu();
y = dist.logcdf( x );
y = dist.logcdf( x[ i % x.length ] );
if ( isnan( y ) ) {
bm.fail( 'should not return NaN' );
}
Expand All @@ -379,6 +446,7 @@

bench( pkg+':logpdf', function benchmark( bm ) {
var dist;
var opts;
var a;
var b;
var x;
Expand All @@ -389,10 +457,14 @@
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
x = uniform( 100, 0.0, 1.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
x = randu();
y = dist.logpdf( x );
y = dist.logpdf( x[ i % x.length ] );
if ( isnan( y ) ) {
bm.fail( 'should not return NaN' );
}
Expand All @@ -407,6 +479,7 @@

bench( pkg+':pdf', function benchmark( bm ) {
var dist;
var opts;
var a;
var b;
var x;
Expand All @@ -417,10 +490,14 @@
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
x = uniform( 100, 0.0, 1.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
x = randu();
y = dist.pdf( x );
y = dist.pdf( x[ i % x.length ] );
if ( isnan( y ) ) {
bm.fail( 'should not return NaN' );
}
Expand All @@ -435,6 +512,7 @@

bench( pkg+':quantile', function benchmark( bm ) {
var dist;
var opts;
var a;
var b;
var x;
Expand All @@ -445,10 +523,14 @@
b = 55.54321;
dist = new Kumaraswamy( a, b );

opts = {
'dtype': 'float64'
};
x = uniform( 100, 0.0, 1.0, opts );

bm.tic();
for ( i = 0; i < bm.iterations; i++ ) {
x = randu();
y = dist.quantile( x );
y = dist.quantile( x[ i % x.length ] );
if ( isnan( y ) ) {
bm.fail( 'should not return NaN' );
}
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