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Author mark.dickinson
Recipients christian.heimes, collinwinter, gregory.p.smith, jyasskin, loewis, mark.dickinson, pitrou, schuppenies, vstinner
Date 2009-02-18.03:32:10
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Thanks very much for the timings, Victor.

Just out of interest, could you try the pydigits script with the 
+optimizations patch on 32-bit?

As mentioned above, there's a significant (for 30-bit digits) problem 
with x_divrem:  the inner loop does a 32 x 64-bit multiply when it 
should be doing a 32 x 32-bit multiply  (the variable q is declared as 
twodigits, but always fits into a digit).  This is fixed in the 
+optimizations patch, and pi_digits is heavy on the divisions, so I
wonder whether this might make a difference.
Date User Action Args
2009-02-18 03:32:14mark.dickinsonsetrecipients: + mark.dickinson, loewis, collinwinter, gregory.p.smith, pitrou, vstinner, christian.heimes, jyasskin, schuppenies
2009-02-18 03:32:14mark.dickinsonsetmessageid: <>
2009-02-18 03:32:11mark.dickinsonlinkissue4258 messages
2009-02-18 03:32:10mark.dickinsoncreate