Re: Baseless code

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#150

From: Edward Jaffe
Date: Thu, 28 Sep 2006 13:27

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Miklos Szigetvari wrote:
> I have just converted a large assembler application to baseless code:
> - brach relative instructions
> - data completly separated from instruction part of the code
> - SYSSTATE ARCHLVL=2  compiled
>
> For my big surprise in our z/800 machine the firts test shows two times
> higher CPU consumtion for the baseless code as in the original code

Hard to believe. I've done many similar conversions and have never
experienced anything like this.

Any chance you used instructions with long displacements? Though
supported, they run extremely slowly on a z800 machine.

--
Edward E Jaffe
Phoenix Software International, Inc
5200 W Century Blvd, Suite 800
Los Angeles, CA 90045
310-338-0400 x318
edjaffe@phoenixsoftware.com
http://www.phoenixsoftware.com/

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From: Edward Jaffe <edjaffe@phoenixsoftware.com>
Newsgroups: bit.listserv.asm370
Subject: Re: Baseless code
Date: Thu, 28 Sep 2006 06:27:02 -0700
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