Changeset 1116 for framspy/FramsticksLib.py

Timestamp:

03/27/21 03:42:04 (4 years ago)

Author:

Maciej Komosinski

Message:

Improved performance significantly by moving the step-by-step simulation loop from python to FramScript?

File:

• framspy/FramsticksLib.py (modified) (1 diff)

framspy/FramsticksLib.py

@@ -81 +81 @@
                 frams.Simulator.init()
                 frams.Simulator.start()
-                step = frams.Simulator.step  # cache reference to avoid repeated lookup in the loop (just for performance)
-                while frams.Simulator.running._int():  # standard-eval.expdef sets running to 0 when the evaluation is complete
-                        step()
+
+                # step = frams.Simulator.step  # cache reference to avoid repeated lookup in the loop (just for performance)
+                # while frams.Simulator.running._int():  # standard-eval.expdef sets running to 0 when the evaluation is complete
+                #       step()
+                frams.Simulator.eval("while(Simulator.running) Simulator.step();")  # fastest
+                # Timing for evaluating a single simple creature 100x:
+                # - python step without caching: 2.2s
+                # - python step with caching   : 1.6s
+                # - pure FramScript and eval() : 0.4s
 
                 if not self.PRINT_FRAMSTICKS_OUTPUT: