Path: utzoo!attcan!uunet!cs.utexas.edu!romp!auschs!awdprime!doorstop.austin.ibm.com!tif From: tif@doorstop.austin.ibm.com (Paul Chamberlain) Newsgroups: comp.unix.aix Subject: Re: Why 256? Message-ID: <4024@awdprime.UUCP> Date: 25 Oct 90 15:00:48 GMT References: Sender: news@awdprime.UUCP Reply-To: tif@doorstop.austin.ibm.com (Paul Chamberlain) Organization: IBM AWD, Austin, TX Lines: 10 Summary: Expires: Sender: Followup-To: Keywords: bglenden@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@doorstop, sc30661 at ausvm6 512/838-7008 | ...!cs.utexas.edu!ibmaus!auschs!doorstop.austin.ibm.com!tif