Use all available threads

simulation_with_pool.py

@@ -10,7 +10,7 @@ def random_manduca():
     return SimpleManduca.random_individual(num_legs, time_segments, time_step)
 
 try:
-    pool = multiprocessing.Pool(int(0.9*multiprocessing.cpu_count()))
+    pool = multiprocessing.Pool(int(multiprocessing.cpu_count()))
     simulator = EvolutionSimulator((random_manduca, POPULATION_SIZE), pool=pool)
     simulator.run_simulation(NUM_GENERATIONS)
 finally: