This is a really cool post, but I wish the author had profiled his code. He makes several statements like "I think the performance issue is XYZ" but never bothe

This is a really cool post, but I wish the author had profiled his code. He makes several statements like "I think the performance issue is XYZ" but never bothers to check if his guess is correct. As Walter Bright liked to say, Use the profiler, Luke!