[mlpack-git] [mlpack/mlpack] Modeling LSH For Performance Tuning (#749)

Ryan Curtin notifications at github.com
Sat Aug 13 12:23:35 EDT 2016


> +  // Vector of k values.
> +  Timer::Start("neighbor_statistic_regression");
> +  arma::Col<size_t> kValues = arma::linspace<arma::Col<size_t>>(1, k, k);
> +  ApproximateKNNStatistics(referenceSizes, kValues, Ek, Gk);
> +  Timer::Stop("neighbor_statistic_regression");
> +}
> +
> +
> +// Predict parameters for LSH that will have acceptable recall.
> +template <typename SortPolicy, typename ObjectiveFunction>
> +void LSHModel<SortPolicy, ObjectiveFunction>::Predict(const size_t datasetSize,
> +                                                      const size_t k,
> +                                                      const double minRecall)
> +{
> +  // Sanity check. Recall can't be greater/equal to 1, or negative.
> +  if (minRecall < 0 || minRecall >=1)

Missing space after the `>=` :)

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