Performance Tracker project update

Ivan Voras ivoras at
Fri Feb 8 22:38:33 UTC 2008

Chuck Swiger wrote:
> On Feb 8, 2008, at 12:43 PM, Ivan Voras wrote:
>>> Historically, the Python optimizer wasn't capable of doing much, 
>>> true, but the more recent versions of the optimizer can actually do 
>>> some peephole optimizations like algorithmic simplification and 
>>> constant folding:
>> A quick test with the built-in pystone mini-benchmark (taken out of 
>> the standard library so the optimization can be varied) yields [*]:
>> python without -O : 5802.36
>> python with -O : 5781.39
> That's ~ 0.4% difference, or low enough to be lost in the noise, agreed.

Ah sorry, fatal omission: that's loops per second, and it's consistent 
across several runs of with and without -O. I.e. I'm getting _lower_ 
performance with -O :)

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