[Python-Dev] Caching float(0.0)
Kristján V. Jónsson
kristjan at ccpgames.com
Fri Sep 29 17:18:17 CEST 2006
Acting on this excellent advice, I have patched in a reuse for -1.0, 0.0 and 1.0 for EVE Online. We use vectors and stuff a lot, and 0.0 is very, very common. I'll report on the refcount of this for you shortly.
> -----Original Message-----
> From: python-dev-bounces+kristjan=ccpgames.com at python.org
> [mailto:python-dev-bounces+kristjan=ccpgames.com at python.org]
> On Behalf Of Fredrik Lundh
> Sent: 29. september 2006 15:11
> To: python-dev at python.org
> Subject: Re: [Python-Dev] Caching float(0.0)
> Nick Craig-Wood wrote:
> > Is there any reason why float() shouldn't cache the value
> of 0.0 since
> > it is by far and away the most common value?
> says who ?
> (I just checked the program I'm working on, and my analysis
> tells me that the most common floating point value in that
> program is 121.216, which occurs 32 times. from what I can
> tell, 0.0 isn't used at all.)
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