Re: Integers outperform Packed in a big way -- RPG400-L

Subject: Re: Integers outperform Packed in a big way
From: Joe Pluta <joepluta@xxxxxxxxxxxxxxxxx>
Date: Wed, 07 May 2008 11:27:25 -0500
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James Lampert wrote:

Joe Pluta wrote:

The interesting bit is that integers outperform packed decimals on adds *by a factor of 20*. Yeah, you read that correctly. Integers are 20 time faster than packed decimals on adds.

Only by a factor of 20? That *is* a surprise. I would have expected at least a factor of 50.

That would depend on your machine architecture. If you have packed decimal opcodes at the machine level, you can get some really good performance.

Joe

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Follow-Ups:

RE: Integers outperform Packed in a big way , Walden H. Leverich

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