> Here's another example:
> 64-bit:
> sage: time a = random_matrix(ZZ,200).determinant()
> CPU times: user 2.74 s, sys: 0.01 s, total: 2.75 s
>
> 32-bit:
> sage: time a = random_matrix(ZZ,200).determinant()
> CPU times: user 0.74 s, sys: 0.04 s, total: 0.78 s
>
> Here, surprisingly, 64-bit is WAY SLOWER than 32-bit at doing the
> exact same thing.  I don't really understand this. The moral should I
> think be that 32 versus 64 bit can be really subtle when it comes to
> performance.

It seems to me that this should be considered a bug. Or is a convincing 
argument why it would run slower?

Cheers,
Martin


-- 
name: Martin Albrecht
_pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99
_www: http://www.informatik.uni-bremen.de/~malb
_jab: [EMAIL PROTECTED]


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