Time each update.

[the-worst-raytracer] / tf.py

diff --git a/tf.py b/tf.py
index 4a7508d..394f300 100755 (executable)
--- a/tf.py
+++ b/tf.py
@@ -227,11 +227,14 @@ def main():
     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
 
-    t3 = time.time()
     print 'took %.3f sec to render %d images' % (t3 - t2, AA*AA)
 
     print 'finalizing'