gzip performance test

[David Edelsohn]

>>>>> Joe Buck writes:

Joe> There is a place where we know we're worse: the Stepanov tests, which
Joe> were near-perfect on 2.95.2 and are worse now.  While this is not
Joe> enough to hold the release, I'd at least like to see an analysis of
Joe> why we're worse.

	I'd like to know why we're worse as well.  Can you help me
investigate this?

Thanks, David