[Tune] Batch suggestions for HEBO #14246
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Why are these changes needed?
HEBO provides a parameter
n_suggestionscontrolling the batching of suggestions. Ifn_suggestionsis set over 1, it enables the evolutionary part of HEBO, increasing convergence speed in certain cases. Furthermore, it allows for the algorithm to work better in parallel settings (like Ray Tune). This PR allows the user to specify the value of that parameter and provides an example of how to use it withConcurrencyLimiter()for best results.Checks
scripts/format.shto lint the changes in this PR.