Expyriment presentation time test

gistfile1.py

from expyriment import stimuli, control, design
import time
from random import randint

control.defaults.initialize_delay = 0
control.defaults.open_gl = True
exp = design.Experiment()
control.initialize(exp)

l = []
t1 = time.time()
for x in range(-300, 300, 10):
	for y in range(-300, 300, 10):		
		col = randint(0,255), randint(0,255), randint(0,255)		
		s = stimuli.Rectangle((10,10), position=(x,y), colour=col)
		l.append(s)
		
t2 = time.time()
for s in l:
	s.preload()

t3 = time.time()
for s in l[:-1]:
	s.present(update=False, clear=False)
l[-1].present(update=True, clear=False)
		
t4 = time.time()

print 'CREATED:   %.2f' % (1000.*(t2-t1))
print 'PRELOADED: %.2f' % (1000.*(t3-t2))
print 'PRESENTED: %.2f' % (1000.*(t4-t3))

time.sleep(1)
control.end()