Messages in this thread | | | Date | Mon, 31 May 2004 22:38:30 +0200 | From | Manfred Spraul <> | Subject | Re: How to use floating point in a module? |
| |
Horst von Brand wrote:
>Trascendental functions are _not_ computed by series in practice, rational >approximations (polinomial / polinomial) are used instead. Or interpolate >in a smallish table. > Is that really faster on modern cpus? The multiplier is fully pipelined and a division takes 25-40 cycles.
-- Manfred
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |