Merge pull request #291 from theahura/patch-4

Allow setting programs_per_island from config

Author: codelion

openevolve/config.py

@@ -248,6 +248,7 @@ class DatabaseConfig:
     population_size: int = 1000
     archive_size: int = 100
     num_islands: int = 5
+    programs_per_island: Optional[int] = None
 
     # Selection parameters
     elite_selection_ratio: float = 0.1

openevolve/process_parallel.py

@@ -426,7 +426,7 @@ async def run_evolution(
         completed_iterations = 0
 
         # Island management
-        programs_per_island = max(1, max_iterations // (self.config.database.num_islands * 10))
+        programs_per_island = self.config.database.programs_per_island or max(1, max_iterations // (self.config.database.num_islands * 10))
         current_island_counter = 0
 
         # Early stopping tracking