Re: [Python-Dev] Let's stop eating exceptions in dict lookup

2006年5月29日 14:33:34 -0700

Hi Raymond,
On Mon, May 29, 2006 at 02:02:25PM -0700, Raymond Hettinger wrote:
> Please run some better benchmarks and do more extensive assessments on the 
> performance impact.
At the moment, I'm trying to, but 2.5 HEAD keeps failing mysteriously on
the tests I try to time, and even going into an infinite loop consuming
all my memory - since the NFS sprint. Am I allowed to be grumpy here,
and repeat that speed should not be used to justify bugs? I'm proposing
a bug fix, I honestly don't care about 0.5% of speed.
With a benchmark that passed, and that heavily uses instance and class
attribute look-ups (richards), I don't even see any relevant difference.
> and assessments of whether there are real benefits for everyday Python
> users.
It would have saved me two hours-long debugging sessions, and I consider
myself an everyday Python user, so yes, I think so.
Grumpy-ly yours,
Armin
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