+ sess.run(tf.initialize_all_variables())
+
+ t2 = time.time()
+ print 'initializing took %.3f sec' % (t2 - t1)
+
+ print 'accumulating'
+ t3 = t2
+ for j in range(AA):
+ for i in range(AA):
+ sess.run(update, feed_dict={aa_x:i, aa_y:j})
+ t4 = time.time()
+ print 'took %.3f sec' % (t4 - t3)
+ t3 = t4
+
+ print 'took %.3f sec to render %d images' % (t3 - t2, AA*AA)
+
+ print 'finalizing'