70 lines
1.9 KiB
PHP
70 lines
1.9 KiB
PHP
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<?php
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namespace Illuminate\Support;
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use Closure;
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class Benchmark
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{
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/**
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* Measure a callable or array of callables over the given number of iterations.
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*
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* @param \Closure|array $benchmarkables
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* @param int $iterations
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* @return array|float
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*/
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public static function measure(Closure|array $benchmarkables, int $iterations = 1): array|float
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{
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return collect(Arr::wrap($benchmarkables))->map(function ($callback) use ($iterations) {
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return collect(range(1, $iterations))->map(function () use ($callback) {
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gc_collect_cycles();
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$start = hrtime(true);
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$callback();
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return (hrtime(true) - $start) / 1000000;
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})->average();
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})->when(
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$benchmarkables instanceof Closure,
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fn ($c) => $c->first(),
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fn ($c) => $c->all(),
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);
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}
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/**
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* Measure a callable once and return the duration and result.
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*
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* @template TReturn of mixed
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*
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* @param (callable(): TReturn) $callback
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* @return array{0: TReturn, 1: float}
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*/
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public static function value(callable $callback): array
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{
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gc_collect_cycles();
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$start = hrtime(true);
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$result = $callback();
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return [$result, (hrtime(true) - $start) / 1000000];
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}
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/**
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* Measure a callable or array of callables over the given number of iterations, then dump and die.
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*
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* @param \Closure|array $benchmarkables
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* @param int $iterations
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* @return never
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*/
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public static function dd(Closure|array $benchmarkables, int $iterations = 1): void
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{
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$result = collect(static::measure(Arr::wrap($benchmarkables), $iterations))
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->map(fn ($average) => number_format($average, 3).'ms')
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->when($benchmarkables instanceof Closure, fn ($c) => $c->first(), fn ($c) => $c->all());
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dd($result);
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}
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}
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