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<?php |
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namespace JMGQ\AStar\Benchmark; |
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use JMGQ\AStar\AStar; |
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use JMGQ\AStar\Benchmark\Result\Result; |
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use JMGQ\AStar\Example\Terrain\DomainLogic; |
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use JMGQ\AStar\Example\Terrain\Position; |
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use Symfony\Component\Stopwatch\Stopwatch; |
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class BenchmarkRunner |
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{ |
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private ProgressBarInterface $progressBar; |
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private TerrainGenerator $terrainGenerator; |
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private Stopwatch $stopwatch; |
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public function __construct(ProgressBarInterface $progressBar) |
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{ |
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$this->progressBar = $progressBar; |
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$this->terrainGenerator = new TerrainGenerator(); |
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$this->stopwatch = new Stopwatch(); |
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} |
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/** |
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* @param int[] $sizes |
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* @param int $iterations |
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* @param int | null $seed |
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* @return Result[] |
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*/ |
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public function run(array $sizes, int $iterations, ?int $seed): array |
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{ |
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$results = []; |
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$steps = count($sizes) * $iterations; |
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$this->progressBar->start($steps); |
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foreach ($sizes as $size) { |
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for ($i = 0; $i < $iterations; $i++) { |
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$terrain = $this->terrainGenerator->generate($size, $size, $seed); |
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$domainLogic = new DomainLogic($terrain); |
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$aStar = new AStar($domainLogic); |
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$start = new Position(0, 0); |
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$goal = new Position($size - 1, $size - 1); |
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$this->stopwatch->start('benchmark'); |
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$solution = $aStar->run($start, $goal); |
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$event = $this->stopwatch->stop('benchmark'); |
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$solutionFound = !empty($solution); |
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$results[] = new Result($size, (int) $event->getDuration(), $solutionFound); |
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$this->stopwatch->reset(); |
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$this->progressBar->advance(); |
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} |
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} |
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$this->progressBar->finish(); |
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return $results; |
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} |
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} |
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jmgq /
php-a-star
