classy_vision/meters/accuracy_meter.py [67:93]:
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    def sync_state(self):
        # Communications
        self._curr_correct_predictions_k = all_reduce_sum(
            self._curr_correct_predictions_k
        )
        self._curr_sample_count = all_reduce_sum(self._curr_sample_count)

        # Store results
        self._total_correct_predictions_k += self._curr_correct_predictions_k
        self._total_sample_count += self._curr_sample_count

        # Reset values until next sync
        self._curr_correct_predictions_k.zero_()
        self._curr_sample_count.zero_()

    @property
    def value(self):
        # Return value based on the local state of meter which
        # includes the local sample count since last sync and the total global sample
        # count obtained at the last sync
        correct_predictions = {
            k: self._curr_correct_predictions_k[i]
            + self._total_correct_predictions_k[i]
            for i, k in enumerate(self._topk)
        }
        sample_count = self._total_sample_count + self._curr_sample_count
        return {
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classy_vision/meters/precision_meter.py [68:94]:
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    def sync_state(self):
        # Communications
        self._curr_correct_predictions_k = all_reduce_sum(
            self._curr_correct_predictions_k
        )
        self._curr_sample_count = all_reduce_sum(self._curr_sample_count)

        # Store results
        self._total_correct_predictions_k += self._curr_correct_predictions_k
        self._total_sample_count += self._curr_sample_count

        # Reset values until next sync
        self._curr_correct_predictions_k.zero_()
        self._curr_sample_count.zero_()

    @property
    def value(self):
        # Return value based on the local state of meter which
        # includes the local sample count since last sync and the total global sample
        # count obtained at the last sync
        correct_predictions = {
            k: self._curr_correct_predictions_k[i]
            + self._total_correct_predictions_k[i]
            for i, k in enumerate(self._topk)
        }
        sample_count = self._total_sample_count + self._curr_sample_count
        return {
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