Vax to Alpha - Recompile Needed? I think it is'nt

[Joe Boyle]

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I agree with Chris,

I received the comments below from Ottawa a few years back; but as noted
below, you always have to perform thorough testing :)

'As long as the version of PowerHouse is exactly the same then the compiled
programs are binary compatible between VAX and AXP. Most users compile on
AXP because the processor is faster and move to VAX than the reverse. ...
It's always a good idea to do thorough testing before moving into
production.'

P.S. they also said that if moving compiled code between VMS versions, it is
better to compile on a lower version and move to a higher version; this is
because the OS vendors nearly always confirm upward compatibility between
versions.

Regards, Joe. 
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From: powerh-l-admin@lists.sowder.com
[mailto:powerh-l-admin@lists.sowder.com] On Behalf Of Steve Heaslip
Sent: 21 March 2005 01:13
To: PowerHouse List
Subject: Vax to Alpha - Recompile Needed?

G'day all
 
We have a client that is running a legacy PowerHouse system (7.10.g) on an
ageing Vax.
They want to move the application to an Alpha (currently on the same cluster
as the Vax) running the same version of Open VMS and the same version of
PowerHouse.
I've never moved a PowerHouse application to another box without upgrading
SOMETHING - so I've always recompiled. But in this instance the client is
insisting they do not want to recompile unless they really have to.
 
Can anyone tell me if there's a need to re-compile the code?
 
 
Regards,
 
Steve Heaslip
 
Attain IT
Mobile: +61 0417 656 864
Switch: +61 2 8962 5600
Fax:     +61 2 8962 5656
Email:  heaslips@ozemail.com.au
 
 
 

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