From the Ported Tools - OpenSSH Manual
Setting up the XPLINK environment for use by IBM Ported Tools for z/OS:
OpenSSH
Description: Beginning in Version 1 Release 2, IBM Ported Tools
for z/OS:
OpenSSH is an XPLINK application. XPLINK (Extra Performance
Linkage) is a
type of call linkage that can improve performance in an
environment of frequent
calls between small functions.
Is the migration action required? Yes, to ensure optimal
performance.
Steps to take: To set up the XPLINK environment (that is, to
initialize the
resources necessary to run an XPLINK application), take the
following steps:
* Put the Language Environment® run-time library SCEERUN2 in the
LNKLST
member of SYS1.PARMLIB.
* Put the XPLINK modules in SCEERUN2 in the dynamic LPA.
* Mark the run-time library SCEERUN2 as program controlled.
I've verified that two of the three are done, can't find anything on the
third.
Mark Jacobs
On 05/22/12 10:35, Mark Zelden wrote:
On Tue, 22 May 2012 10:13:04 -0400, Mark Jacobs<[email protected]>
wrote:
I've looked and looked, and looked again, but can't find it. What are
the recommended XPLINK modules from SCEERUN2 that should be added to
dynamic LPA for performance reasons?
This may be a stupid question, but how do you know that there is a
recommendation
to do so if you can't find any documentation on it? Also, even though you may
not
be constrained in 31-bit private, is your usage enough to worry about it? You
would
still get LLA and potentially VLF benefits without being in LPA.
Regards,
Mark
--
Mark Zelden - Zelden Consulting Services - z/OS, OS/390 and MVS
mailto:[email protected]
Mark's MVS Utilities: http://www.mzelden.com/mvsutil.html
Systems Programming expert at http://expertanswercenter.techtarget.com/
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Mark Jacobs
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