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Subject: Re: [OMPI devel] r27078 and OMPI build
From: Shamis, Pavel (shamisp_at_[hidden])
Date: 2012-08-23 17:14:24

I'm wondering if the issue is some how related to the fact that these functions are inline. Can you please, try the attached patch and see what happens ?

Pavel (Pasha) Shamis

Computer Science Research Group
Computer Science and Math Division
Oak Ridge National Laboratory
On Aug 23, 2012, at 12:59 PM, Eugene Loh wrote:
On 8/23/2012 8:58 AM, Shamis, Pavel wrote:
Did you have chance to make progress on the issue #2 ? I'm wondering how we want to proceed from here.
First of all, thanks for putting back the fixes for issue #1.  That
build is now successful.
Issue #2?  No.  I don't know what to look at even if I had time to spend
on this.  It appears that mca/coll/ml is being pulled into libmpi.  I
tried comparing this component to others that aren't pulled in (e.g.,
mca/coll/sm) or builds on this system (happens to be SPARC/Solaris, but
I don't know what the key distinction is) versus other systems where
mca/coll/ml is not pulled in.  Nothing jumped out at me.  So, I'm stuck
(lack of ideas and lack of time).
What would make an MCA component get pulled into libmpi?  Again, many
other components are not getting pulled in and this problem appears only
on one system.
On Aug 21, 2012, at 2:19 PM, Eugene Loh wrote:
On 8/21/2012 9:31 AM, Ralph Castain wrote:
The library issue sounds like something isn't right in the
- perhaps the syntax has a typo there as well?
I don't know.  This is the part where I could use help.  I took a quick
peek at some files.  I can't see what the essential
difference is between, say, coll/ml/ and, say,
coll/sm/ (which behaves all right).  Nor do I see why there
would be a difference in coll/ml between one system (happens to be
SPARC, though I don't know that's significant) and another.
On Aug 21, 2012, at 11:36 AM, Eugene Loh wrote:
r27078 (ML collective component) broke some Solaris OMPI builds.
2)  Somehow,
coll_ml is getting pulled into  E.g., this doesn't look right:
  % nm ompi/.libs/ | grep mca_coll_ml
  [13161] |   2556704|       172|FUNC |LOCL |0    |11
  [13171] |   2555488|       344|FUNC |LOCL |0    |11
  [13173] |   2555392|        92|FUNC |LOCL |0    |11     |mca_coll_ml_err
  [23992] |         0|         0|FUNC |GLOB |0    |UNDEF
The UNDEF is causing a problem, but I'm guessing all that mca_coll_ml_
stuff shouldn't be in there at all in the first place.  This is on one
Solaris system, while another doesn't see the problem and builds fine.
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  • application/octet-stream attachment: ml.patch