Coordinator-owned rung history. More...

#include <pineforge/hpo/pruner.hpp>

Public Member Functions
	Pruner (PrunerKind kind, std::vector< double > rungs, unsigned eta, bool minimize)
	Validates increasing fractions in (0, 1) and an elimination factor >= 2.

std::vector< std::size_t >	bar_counts (std::size_t full_size) const
	Returns prefix lengths, including the full window, without duplicates.

std::vector< std::optional< double > >	cuts () const
	Returns cuts based only on observations already committed by the coordinator.

void	observe (const std::vector< std::optional< double > > &scores)
	Adds finite rung observations after an entire batch has finished.

bool	prune (double score, std::optional< double > cut) const noexcept
	Strictly losing scores are pruned; ties and missing cuts survive.

Detailed Description

Coordinator-owned rung history.

Workers receive immutable cut snapshots. Enabled policies retain the latest 1,024 finite observations per rung; disabled policies retain none. Cut selection remains independent of worker completion timing.

Definition at line 15 of file pruner.hpp.

Constructor & Destructor Documentation

◆ Pruner()

pineforge::hpo::Pruner::Pruner	(	PrunerKind	kind,
		std::vector< double >	rungs,
		unsigned	eta,
		bool	minimize
	)

Validates increasing fractions in (0, 1) and an elimination factor >= 2.

Member Function Documentation

◆ bar_counts()

std::vector< std::size_t > pineforge::hpo::Pruner::bar_counts ( std::size_t full_size ) const

Returns prefix lengths, including the full window, without duplicates.

◆ cuts()

std::vector< std::optional< double > > pineforge::hpo::Pruner::cuts ( ) const

Returns cuts based only on observations already committed by the coordinator.

◆ observe()

void pineforge::hpo::Pruner::observe ( const std::vector< std::optional< double > > & scores )

Adds finite rung observations after an entire batch has finished.

◆ prune()

bool pineforge::hpo::Pruner::prune	(	double	score,
		std::optional< double >	cut
	)		const

noexcept

Strictly losing scores are pruned; ties and missing cuts survive.

The documentation for this class was generated from the following file:

pruner.hpp

Public Member Functions