Bruce: The difference is just as startling regardless of which test is done first. It's the array processing that kills the timing, now whether the data is already cached (the select only takes a few seconds either way).
The timing doesn't start until the data is already selected. Bill |-----Original Message----- |From: [EMAIL PROTECTED] |[mailto:[EMAIL PROTECTED] On Behalf Of Bruce Nichol |Sent: Friday, March 02, 2007 6:58 PM |To: [email protected] |Subject: RE: [U2] Universe vs. Unidata | |Goo'day, Bill, | |If I can make observations and suggestions here? |Observations: |1. The time (5:30pm) indicates to me a quiescent machine.... no other |activity? |2. The second run in each case would almost certainly involve |items being |in memory, although that would not be the case for the first run. | |Suggestion: |Do the same thing on a quiescent machine and reverse the process |(ReadnextLoop first, followed by ArrayLoop) | |There may well be a difference, but I don't think it'd be so |startling.... | | |At 17:54 02/03/07 -0800, you wrote: | |>Chuck: |> |>Here is a UniData test run... | |Regards, | |Bruce Nichol |Talon Computer Services |ALBURY NSW 2640 |Australia | |http://www.taloncs.com.au | |Tel: +61 (0)411149636 |Fax: +61 (0)260232119 | |If it ain't broke, fix it till it is! |------- |u2-users mailing list |[email protected] |To unsubscribe please visit http://listserver.u2ug.org/ | ------- u2-users mailing list [email protected] To unsubscribe please visit http://listserver.u2ug.org/
