[Tinyos-devel] One should make limited use of the "%" operator
Philip Levis
pal at cs.stanford.edu
Thu Jun 25 11:54:47 PDT 2009
On Jun 25, 2009, at 11:42 AM, Vlado Handziski wrote:
> Speaking about optimization, and looking at your example snippet:
> For the msp430 platforms, it is always much more efficient to use
> word size array indices. The code is a lot simpler and some nasty
> gcc bugs can be avoided more easy.
But this is platform independent code. The cost ratio of an inequality
and jump compared to a hardware modulo is much less than a software
modulo and an inequality and jump.
Phil
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