[Python-Dev] Caching float(0.0)

Nick Craig-Wood nick at craig-wood.com
Tue Oct 3 10:17:26 CEST 2006

On Mon, Oct 02, 2006 at 07:53:34PM -0500, skip at pobox.com wrote:
>     Terry> "Kristján V. Jónsson" <kristjan at ccpgames.com> wrote:
>     >> Anyway, Skip noted that 50% of all floats are whole numbers between
>     >> -10 and 10 inclusive,
>     Terry> Please, no.  He said something like this about
>     Terry> *non-floating-point applications* (evidence unspecified, that I
>     Terry> remember).  But such applications, by definition, usually don't
>     Terry> have enough floats for caching (or conversion time) to matter too
>     Terry> much.
> Correct.  The non-floating-point application I chose was the one that was
> most immediately available, "make test".  Note that I have no proof that
> regrtest.py isn't terribly floating point intensive.  I just sort of guessed
> that it was.

For my application caching 0.0 is by far the most important. 0.0 has
~200,000 references - the next highest reference count is only about ~200.

Nick Craig-Wood <nick at craig-wood.com> -- http://www.craig-wood.com/nick

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