RE: Performance issue: open/read PF vs open/read SRCPF

If performance on 500 records is an issue then perhaps you are really doing
more than a simple reading-through of the 500-record file?  

Why not define a 500 element array? (if two fields, use an alternating array
for Field2.)  Then, load your array(s) in the *INZSR and be done with it for
the life of the session; no more opening and closings.  Performance from the
array(s) should be lightening fast.



-----Original Message-----
From: Bruce Jin [mailto:brucej@mrc-productivity.com]
Sent: Thursday, January 27, 2000 2:35 PM
To: boothm@goddard.edu
Subject: Performance issue: open/read PF vs open/read SRCPF


 I wonder how much difference there is (in terms of performance) when I use
a physical file versus a source physical file. Assume I do OVRDBF, OPEN,
READ, CLOSE in RPG. The record lengths for both PF and SRCPF are the same.
The PF has only 1 or 2 fields in it. Both PF and SRCPF have 500 records.

Thanks
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