52 lines
1.6 KiB
PHP
52 lines
1.6 KiB
PHP
<?php
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namespace App\Services;
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class PerceptronLimitedEpochEventBuffer implements IPerceptronIterationEventBuffer {
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private array $data;
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private int $underSizeIncreaseCount = 0;
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public function __construct(
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private string $sessionId,
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private string $trainingId,
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private int $epochInterval,
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private int $sizeIncreaseStart = 10,
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) {
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$this->data = [];
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}
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public function flush(): void {
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event(new \App\Events\PerceptronTrainingIteration($this->data, $this->sessionId, $this->trainingId));
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$this->data = [];
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}
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public function addIteration(int $epoch, int $exampleIndex, float $error, array $synaptic_weights): void {
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$newData = [
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"epoch" => $epoch,
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"exampleIndex" => $exampleIndex,
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"error" => $error,
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"weights" => $synaptic_weights,
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];
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if ($this->underSizeIncreaseCount <= $this->sizeIncreaseStart) { // Special case where we need to send each iteration separately
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$this->underSizeIncreaseCount++;
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$this->data[] = $newData;
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$this->flush();
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return;
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}
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$lastEpoch = $this->data[0]['epoch'] ?? null;
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if ($this->data && $lastEpoch !== $epoch) { // Current Epoch has changed from the last one
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if ($lastEpoch % $this->epochInterval === 0) { // The last epoch need to be sent
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$this->flush(); // Flush all data from the previous epoch
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}
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else {
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$this->data = [];
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}
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$lastEpoch = $epoch;
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}
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$this->data[] = $newData;
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}
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}
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