[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Arithmetic issues - feedback
bear <bear@xxxxxxxxx> writes:
> 1) Represent powers of ten exactly, indicating a numeric format
> with an exponent-of-five as well as an exponent-of-two.
Why not a single exponent-of-ten instead?
> So, unexectedly, if I can be clever enough with my basic operations
> to avoid cache stalls and conditionals, this isn't even a big
> performance hit.
I believe this would be a serious performance hit. The format is
complex, and it's not supported by hardware like binary FP. And with
a uniform representation you can't use a fast path for integer only
__("< Marcin Kowalczyk