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Thread: Challenge: 8X8 multiplication
www.piclist.com/techref/method/math.htm?key=multiplication
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face BY : Mike Blakey email (remove spam text)



Hi Scott, my 8x8 is 42 cycles, I would like to see how you have done this, would
you like to post it to the group?

Thanks.





TakeThisOuTscott@spam@spamRemoveMEDATTALO.COM on 13/11/2001 19:43:40
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Subject:        Challenge: 8X8 multiplication

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Suppose you have:

c = a * b

and all three are bytes.

Minimize execution time (on a mid-range core).

Trashing a (or b) I have a routine that is 31 instructions/cycles long.

Any takers?

Scott

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Subject (change) Challenge: 8X8 multiplication

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