galib::cuda::internal::CUDARunParams Struct Reference

Parameters for a full GPU-accelerated evolution run. More...

#include <CUDAEvaluator.h>

Public Attributes
int	pop_size
int	dims
int	max_generations
float	mutation_rate
float	crossover_rate
bool	use_elitism
int	tournament_size = 3
float	sigma = 0.1f
	Gaussian mutation standard deviation.
std::string	problem_name
std::function< double(const float *, int)>	fitness_callback
std::function< void(int, double)>	progress_callback

Detailed Description

Parameters for a full GPU-accelerated evolution run.

The GPU handles selection, crossover, and mutation entirely on device. Fitness evaluation runs on GPU for known problem names; otherwise the fitness_callback is invoked on the host (CPU) each generation.

Definition at line 19 of file CUDAEvaluator.h.

Member Data Documentation

crossover_rate

float galib::cuda::internal::CUDARunParams::crossover_rate

Definition at line 24 of file CUDAEvaluator.h.

Referenced by galib::cuda::StandardGACUDA< GeneType >::run().

dims

int galib::cuda::internal::CUDARunParams::dims

Definition at line 21 of file CUDAEvaluator.h.

Referenced by galib::cuda::StandardGACUDA< GeneType >::run().

fitness_callback

std::function<double(const float*, int)> galib::cuda::internal::CUDARunParams::fitness_callback

CPU fitness callback used when problem_name is unknown. Receives a flat float array [dims] for one individual, returns fitness.

Definition at line 36 of file CUDAEvaluator.h.

Referenced by galib::cuda::StandardGACUDA< GeneType >::run().

max_generations

int galib::cuda::internal::CUDARunParams::max_generations

Definition at line 22 of file CUDAEvaluator.h.

Referenced by galib::cuda::StandardGACUDA< GeneType >::run().

mutation_rate

float galib::cuda::internal::CUDARunParams::mutation_rate

Definition at line 23 of file CUDAEvaluator.h.

Referenced by galib::cuda::StandardGACUDA< GeneType >::run().

pop_size

int galib::cuda::internal::CUDARunParams::pop_size

Definition at line 20 of file CUDAEvaluator.h.

Referenced by galib::cuda::StandardGACUDA< GeneType >::run().

problem_name

std::string galib::cuda::internal::CUDARunParams::problem_name

Short name returned by FitnessFunction::name(). Empty = use callback.

Definition at line 30 of file CUDAEvaluator.h.

Referenced by galib::cuda::StandardGACUDA< GeneType >::run().

progress_callback

std::function<void(int, double)> galib::cuda::internal::CUDARunParams::progress_callback

Called after each generation with (generation_index, best_fitness).

Definition at line 39 of file CUDAEvaluator.h.

Referenced by galib::cuda::StandardGACUDA< GeneType >::run().

sigma

float galib::cuda::internal::CUDARunParams::sigma = 0.1f

Gaussian mutation standard deviation.

Definition at line 27 of file CUDAEvaluator.h.

Referenced by galib::cuda::StandardGACUDA< GeneType >::run().

tournament_size

int galib::cuda::internal::CUDARunParams::tournament_size = 3

Definition at line 26 of file CUDAEvaluator.h.

Referenced by galib::cuda::StandardGACUDA< GeneType >::run().

use_elitism

bool galib::cuda::internal::CUDARunParams::use_elitism

Definition at line 25 of file CUDAEvaluator.h.

Referenced by galib::cuda::StandardGACUDA< GeneType >::run().

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

• include/algorithms/standard/CUDAEvaluator.h