E: After testing on OS X and Linux, I can confirm that only the following happens on OS X. On Linux, it literally runs at a speed of a thousand frames per second, as I was curious. Any explanation? I would rather develop on a Mac thanks to TextMate.
Here's a simple loop that does almost nothing and still runs very slowly. Can anyone explain why? The average FPS is a little over 30, a little more than 30 ms is required for each loop loop. Window size does not seem to affect this, since even setting a tiny window size, such as (50.50), has the same fps.
I find it strange, I would expect that any modern equipment can make a thousand frames per second for such a simple cycle, even when we update every pixel every time. From the profile, I see that the {built-in method get} and {built-in method update} together, apparently, take about 30 ms to call, is this really the best we can get out without using dirty rectangles?
pygame.init() clock = pygame.time.Clock() fps = 1000 #milliseconds from last frame new_time, old_time = None, None done = False while not done: clock.tick(fps) for event in pygame.event.get(): if event.type == pygame.QUIT: done = True # show fps and milliseconds if new_time: old_time = new_time new_time = pygame.time.get_ticks() if new_time and old_time: pygame.display.set_caption("fps: " + str(int(clock.get_fps())) + " ms: " + str(new_time-old_time)) pygame.display.update()
This is where cProfile of the main function begins.
94503 function calls (92211 primitive calls) in 21.011 seconds Ordered by: cumulative time ncalls tottime percall cumtime percall filename:lineno(function) 1 0.026 0.026 21.011 21.011 new_main.py:34(main) 652 14.048 0.022 14.048 0.022 {built-in method get} 652 5.864 0.009 5.864 0.009 {built-in method update} 1 0.444 0.444 0.634 0.634 {built-in method init} 651 0.278 0.000 0.278 0.000 {built-in method set_caption} 72/1 0.000 0.000 0.151 0.151 <frozen importlib._bootstrap>:2234(_find_and_load) 72/1 0.000 0.000 0.151 0.151 <frozen importlib._bootstrap>:2207(_find_and_load_unlocked) 71/1 0.000 0.000 0.151 0.151 <frozen importlib._bootstrap>:1186(_load_unlocked) 46/1 0.000 0.000 0.151 0.151 <frozen importlib._bootstrap>:1122(_exec) 46/1 0.000 0.000 0.151 0.151 <frozen importlib._bootstrap>:1465(exec_module) 74/1 0.000 0.000 0.151 0.151 <frozen importlib._bootstrap>:313(_call_with_frames_removed) 54/1 0.004 0.000 0.151 0.151 {built-in method exec} 1 0.000 0.000 0.151 0.151 macosx.py:1(<module>) 1 0.000 0.000 0.150 0.150 pkgdata.py:18(<module>) 25/3 0.000 0.000 0.122 0.041 <frozen importlib._bootstrap>:1156(_load_backward_compatible) 8/1 0.026 0.003 0.121 0.121 {method 'load_module' of 'zipimport.zipimporter' objects} 1 0.000 0.000 0.101 0.101 __init__.py:15(<module>) 1 0.000 0.000 0.079 0.079 config_reader.py:115(build_from_config) 2 0.000 0.000 0.056 0.028 common.py:43(reset_screen) 2 0.055 0.027 0.055 0.027 {built-in method set_mode} 72/71 0.001 0.000 0.045 0.001 <frozen importlib._bootstrap>:2147(_find_spec) 70/69 0.000 0.000 0.043 0.001 <frozen importlib._bootstrap>:1934(find_spec) 70/69 0.001 0.000 0.043 0.001 <frozen importlib._bootstrap>:1902(_get_spec) 92 0.041 0.000 0.041 0.000 {built-in method load_extended} 6 0.000 0.000 0.041 0.007 new_map.py:74(add_character) 6 0.000 0.000 0.041 0.007 new_character.py:32(added_to_map) 6 0.001 0.000 0.041 0.007 new_character.py:265(__init__) 1 0.000 0.000 0.038 0.038 macosx.py:14(Video_AutoInit) 1 0.038 0.038 0.038 0.038 {built-in method InstallNSApplication} 1 0.036 0.036 0.036 0.036 {built-in method quit} 65 0.001 0.000 0.036 0.001 re.py:277(_compile) 49 0.000 0.000 0.036 0.001 re.py:221(compile)
Roope
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