Greg Stark <[EMAIL PROTECTED]> writes:
> Tom Lane <[EMAIL PROTECTED]> writes:
>> Do we know that? The results I showed put at least one fundamentally
>> 32bit platform (the PowerBook I'm typing this on) at dead par for 32bit
>> and 64bit CRCs.
> Wait, par for 32-bit CRCs? Or for 64-bit CRCs calculated using 32-bit ints?
Right, the latter. We haven't actually tried to measure the cost of
plain 32bit CRCs... although I seem to recall that when we originally
decided to use 64bit, someone put up some benchmarks purporting to
show that there wasn't much difference.
regards, tom lane
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TIP 8: explain analyze is your friend
