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Re: Speeding up I/O [message #38533 is a reply to message #38529] Wed, 17 March 2004 00:41 Go to previous messageGo to previous message
schaa is currently offline  schaa
Messages: 10
Registered: March 2004
Junior Member
Ken Knapp wrote:
> Are there any tricks to speed up I/O?
> Situation: I have 1.2 TB of data to process. The following is a typical
> read statement:
> in = {header:bytarr(128),scan:intarr(1250)}
> image = replicate(in,1250)
> openr,1,file
> readu,1,image
> close,1

Hi Ken,
I could speed up reading binary files using the ASSOC-Command, like this
thisHeader = Assoc(Lun, Bytarr(hLen),hOffset)
thisData = Assoc(Lun,BytArr(dLen),dOffset)
maybe it'll do for you as well.

Best Regards
-Ralf
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