It looks like you forgot to call the function in 'simple_catch'. Interestingly, ...

		petdog on Dec 10, 2010 \| parent \| context \| favorite \| on: Decline of the Tornado Web Server - What happened? It looks like you forgot to call the function in 'simple_catch'. Interestingly, if you do, manual_with_catch will actually be faster in the failing case. (A try:fn() finally: return True beats everything else in the failing case)

Ah, that makes a big difference. Thanks for the correction.