bugGNU Octave - Bugs: bug #48534, nproc ("overridable")...

 
 

bug #48534: nproc ("overridable") ignores thread limit

Submitter:  Oliver Heimlich <oheim>
Submitted:  Sat 16 Jul 2016 09:33:22 PM UTC
 
Category:  Libraries Severity:  3 - Normal
Priority:  3 - Low Item Group:  Incorrect Result
Status:  Postponed Assigned to:  None
Originator Name:  Oliver Heimlich Open/Closed:  * Open
Release:  * dev Operating System:  * Any
Fixed Release:  None Planned Release:  None
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Mon 28 Nov 2016 02:36:19 PM UTC, comment #5: 

Ok, I have send an e-mail together with bug #48535.

Oliver Heimlich <oheim>
Mon 28 Nov 2016 02:18:55 PM UTC, comment #4: 

You don't have to subscribe to post to the gnulib bug list.  If you are not a subscriber, your message (at least your first) will be held for approval, but it should be approved fairly quickly.

Info about the list is here:

https://lists.gnu.org/mailman/listinfo/bug-gnulib

John W. Eaton <jwe>
Project Administrator
Mon 28 Nov 2016 01:30:54 PM UTC, comment #3: 

No, I haven't.  As far as I understand, you have to subscribe to a mailing list in order to submit bug reports.

Oliver Heimlich <oheim>
Tue 22 Nov 2016 05:37:26 PM UTC, comment #2: 

Marking as postponed.  This bug needs to be fixed in gnulib and then we will inherit the fix.

@Oliver: Have you reported this to gnulib?

Rik <rik5>
Project Administrator
Mon 18 Jul 2016 03:34:03 PM UTC, comment #1: 

If the bug is in gnulib, could you please report the problem to bug-gnulib@gnu.org?  Then once it is fixed there, we will get the fix when we update to a newer version of gnulib.

John W. Eaton <jwe>
Project Administrator
Sat 16 Jul 2016 09:33:22 PM UTC, original submission:  

nproc ("overridable") returns the value of OMP_NUM_THREADS. However, if a thread limit is defined, it should return the minimum of OMP_NUM_THREADS and OMP_THREAD_LIMIT.

What I get:

$ OMP_THREAD_LIMIT=1 OMP_NUM_THREADS=2 octave --eval 'nproc ("overridable")'
ans =  2

What I expected:

$ OMP_THREAD_LIMIT=1 OMP_NUM_THREADS=2 octave --eval 'nproc ("overridable")'
ans =  1

The bug is located in gnulib.

Oliver Heimlich <oheim>

 

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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2016-11-22 rik5 Priority5 - Normal 3 - Low
        StatusNone Postponed

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