Why 256?

Paul Chamberlain tif at doorstop.austin.ibm.com
Fri Oct 26 01:00:48 AEST 1990


bglenden at mandrill.cv.nrao.edu (Brian Glendenning) writes:
>that says "Make sure leading dimension of arrays is not a multiple of
>2 greater than or equal to 256."

Don't mistake me for someone who knows what he's talking about, but ...
Would it make sense if this had to do with interleaved memory and hitting
the same "bank" repeatedly on sequential accesses in the second dimension?

Paul Chamberlain | I do NOT represent IBM.     tif at doorstop, sc30661 at ausvm6
512/838-7008     | ...!cs.utexas.edu!ibmaus!auschs!doorstop.austin.ibm.com!tif



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