Ian Bicking: the old part of his blog

Comment

"In the end, I would expect the pure Python program to be faster than the C program (given an equal amount of programmer time)."

Another way to look at it: I'd expect the Python program to work successfully and the C program to be about 5-10% finished. After all, time-to-market counts for more than anything else in a software-for-sale or consulting-by-the-hour job.
Comment on Speed is a Process, not an Attribute
by Peter Herndon