[Hardware] The market of ASICs (One GigaKey / Second?)

Elektron elektron_rc5 at yahoo.ca
Tue Aug 10 03:17:54 EDT 2004


On 10 Aug, 2004, at 13:51, Dan Oetting wrote:
>> Using tables or not? I found that using a 12-bit table was fastest, 
>> since a 16-bit table can't fit in my L1 cache.
>
> Anything larger than a 8 bit table gets real tricky in AltiVec so I 
> don't use it except for the cleanup. The main loop is just a little 
> bit of polynomial arithmetic which goes real fast when you have 128 
> bit registers.

I haven't even touched AltiVec yet. Maybe I should sometime (but I'm 
not entirely sure how you can CRC using AltiVec).

- Purr



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