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<?php |
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namespace Bdf\Collection; |
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use Bdf\Collection\Stream\ArrayStream; |
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use Bdf\Collection\Stream\MutableArrayStream; |
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use Bdf\Collection\Stream\Accumulator\Accumulators; |
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use Bdf\Collection\Util\Functor\Transformer\Getter; |
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/** |
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* @Revs(10) |
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* @Warmup(1) |
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* @BeforeMethods({"initData"}) |
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*/ |
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class StreamBench |
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{ |
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private $data; |
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public function initData() |
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{ |
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$this->data = []; |
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srand(1000); |
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for ($i = 0; $i < 1000; ++$i) { |
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$this->data[] = new MyEntity($i, new MyEntity(rand(0, 50))); |
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} |
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} |
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/** |
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* @Groups({"transform"}) |
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*/ |
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public function bench_Stream_complex_transform() |
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{ |
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$stream = new ArrayStream($this->data); |
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return $stream |
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->filter(function ($e) { return $e->id % 3 === 0; }) |
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->map(function ($e) { return $e->sub; }) |
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->distinct() |
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->toArray() |
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; |
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} |
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/** |
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* @Groups({"transform"}) |
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*/ |
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public function bench_MutableArrayStream_complex_transform() |
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{ |
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$stream = new MutableArrayStream($this->data); |
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return $stream |
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->filter(function ($e) { return $e->id % 3 === 0; }) |
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->map(function ($e) { return $e->sub; }) |
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->distinct() |
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->toArray() |
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; |
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} |
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/** |
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* @Groups({"transform"}) |
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*/ |
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public function bench_native_array_complex_transform() |
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{ |
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$array = $this->data; |
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return array_unique( |
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array_map( |
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function ($e) { return $e->sub; }, |
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array_filter($array, function ($e) { return $e->id % 3 === 0; }) |
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), |
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SORT_REGULAR |
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); |
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} |
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/** |
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* @Groups({"reduce"}) |
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*/ |
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public function bench_reduce_with_functor() |
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{ |
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return (new ArrayStream(range(0, 100)))->reduce(Accumulators::sum()); |
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} |
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/** |
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* @Groups({"reduce"}) |
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*/ |
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public function bench_reduce_with_closure() |
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{ |
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return (new ArrayStream(range(0, 100)))->reduce(function ($a, $b) { return $a + $b; }); |
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} |
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/** |
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* @Groups({"map"}) |
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*/ |
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public function bench_map_getter_functor() |
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{ |
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return (new ArrayStream($this->data))->map(new Getter('sub'))->toArray(); |
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} |
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/** |
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* @Groups({"map"}) |
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*/ |
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public function bench_map_getter_closure() |
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{ |
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return (new ArrayStream($this->data))->map(function ($e) { return $e->sub(); })->toArray(); |
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} |
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/** |
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* @Groups({"sort"}) |
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*/ |
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public function bench_sort_array_stream() |
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{ |
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return iterator_to_array((new ArrayStream($this->data))->sort()); |
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} |
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/** |
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* @Groups({"sort"}) |
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*/ |
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public function bench_sort_mutable_array_stream() |
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{ |
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return iterator_to_array((new MutableArrayStream($this->data))->sort()); |
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} |
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/** |
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* @Groups({"sort"}) |
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*/ |
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public function bench_sort_array_iterator() |
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{ |
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$data = new \ArrayIterator($this->data); |
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$data->asort(); |
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return iterator_to_array($data); |
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} |
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} |
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class MyEntity implements \Bdf\Collection\Util\Hashable |
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{ |
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public $id; |
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public $sub; |
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public function __construct($id, $sub = null) |
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{ |
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$this->id = $id; |
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$this->sub = $sub; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function id() |
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{ |
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return $this->id; |
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} |
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/** |
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* @return MyEntity |
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*/ |
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public function sub() |
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{ |
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return $this->sub; |
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} |
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public function hash() |
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{ |
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return $this->id; |
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} |
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} |
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b2pweb /
bdf-collections
