RE: Teraspace

["Carl Galgano" <cgalgano2@xxxxxxxxxxxxxxxxx>]

Zak,
>From my post on sending MQ message great than 32K, David George shared with
me via a private email how to handle terabyte space and provided a sample
of the code to do it.
Since I did not have the requirement for terabyte code, I did not save, the
attachment he sent me was RPG-ILE code.  I am copying Dave on this email so
perhaps he can post it here, or send it to you via a private email.
cjg

Carl J. Galgano
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-----Original Message-----
From: Scott Klement [mailto:klemscot@xxxxxxxxxxxx] 
Sent: Thursday, March 25, 2004 1:06 PM
To: Midrange Systems Technical Discussion
Subject: Re: Teraspace



Hi Zak,

[SNIP]
> CRTRPGMOD and CHGMOD don't seem to have any way to change the storage 
> model to *TERASPACE. How do I do it?

There are two different things here:

TERASPACE-ENABLED:

This means that the program is able to work with memory allocated in
teraspace.  Pointers are allowed to address it, etc.  You can use the
TS_malloc() API and similar APIs to allocate & work with teraspace memory.

This is an "always on" feature in ILE RPG at V4R2 and later, in ILE CL at
V5R1 and later, etc.  ILE C can enable or disable this with the TERASPACE
option on the CRTCMOD command.

TERASPACE-STORAGE-MODEL:

This means that the compiler uses teraspace for the all of the normal
variables in your program (as opposed to BASED variables that you allocate
the memory for yourself.)  Doing this would allow you to have, for example,
a data structure that's total size is larger than 16mb.

AFIAK, only ILE C supports the teraspace storage model.  You can enable it
with the STGMDL(*TERASPACE) option on the CRTCMOD command.

HTH

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