Remarkable results with psyco and sieve of Eratosthenes
steve at rueb.com
Thu Nov 30 00:35:39 CET 2006
Will McGugan wrote:
> Some trivial optimizations. Give this a whirl.
I retimed and got 9.7 average for 3 runs on my version.
Yours got it down to 9.2.
5% improvement. Not bad.
(Inserting '2' at the beginning doesn't seem to impact performance
BTW, strictly speaking, shouldn't I be adding something to the floating
point sqrt result, before converting to int, to allow for rounding
error? If it is supposed to be 367 but comes in at 366.99999999, don't
I potentially classify a composite as a prime?
How much needs to be added?
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