Small clarifications in chapter 10 #13

mpiforumbot · 2016-07-23T22:51:50Z

Originally by dries on 2008-09-08 15:22:37 -0500

Small clarifications in chapter 10Author: Dries Kimpe

Status

Sep 8 2008 Straw Vote

|| No Change || Add something || Delete || Abstain ||
|| 0 || 22 || 8 || 2 ||

Description

Chapter 10 references POE, P4 and CMOST without further explanation or
citations.

I propose to -- at the least -- add references for these abbreviations.
However, considering that POE,P4 and CMOST are outdated,
it might be better to rewrite the section and/or replace by more modern
examples.

This proposal provides references for POE, P4 and CMOST.

Also, I propose to replace 'catch-22' by something more explicit.

History

Submitted for MPI-2.1, was deferred to MPI-2.2

Proposed Solution

pg. 294, l26:

The current text reads:

MPI applications may start new processes through an interface to an external process manager, which can range from a parallel operating system (CMOST) to layered software (POE) to an rsh command (p4).

Replace this with this text:

MPI applications may start new processes through an interface to an external process manager.

pg. 307, l2:
The current text reads

The difficulty, of course, is that there
is no existing communication channel between them, yet they must somehow agree on a
rendezvous point where they will establish communication — Catch-22.

Replace this with this text:

The difficulty, of course, is that there
is no existing communication channel between them, yet they must somehow agree on a
rendezvous point where they will establish communication.

Impact on Implementations

None

Impact on Applications / Users

None

Alternative Solutions

Add these references:

@article{franke1995mpe,
  title={{MPI programming environment for IBM SP1/SP2}},
  author={Franke, H. and Wu, CE and Riviere, M. and Pattnaik, P. and Snir, M. and Center, I.B.M.T.J.W.R. and Heights, Y.},
  journal={Distributed Computing Systems, 1995., Proceedings of the 15th International Conference on},
  pages={127--135}
}

       l28: P4: reference "R. Butler and E. Lusk. User's guide to the p4
       programming system. Technical Report TM-ANL--92/17, Argonne
       National Laboratory, 1992." or another suitable paper.

Comment by Dick Treumann - POE is not outdated. "poe" is the process which manages the tasks of an MPI job in IBM's Parallel Environment product. It also can be the explicit job launch command. I.E. an MPI program "myprog" for Parallel Environment can be launched by either "poe myprog " or simply "myprog ". IBM PE also supports "mpiexec". In any case there will be a "poe" process running for each MPI job. (I am not sure what the phrase "layered software" is intended to convey - perhaps that POE is built on OS services rather than an is OS service itself). A PE implementation of spawn would certainly involve interaction with job's "poe".

Entry for the Change Log

NA

The text was updated successfully, but these errors were encountered:

mpiforumbot · 2016-07-23T22:51:53Z

Originally by jsquyres on 2008-09-09 16:51:55 -0500

Slightly modified some of the wiki markup in the description.

mpiforumbot · 2016-07-23T22:51:54Z

Originally by dries on 2008-10-14 07:43:08 -0500

transferred straw vote results from wiki page to ticket

mpiforumbot · 2016-07-23T22:51:55Z

Originally by gropp on 2008-10-26 09:56:50 -0500

Specific text is needed for this ticket. The Forum appears to want to preserve the historical information while updating the text.

mpiforumbot · 2016-07-23T22:51:55Z

Originally by RolfRabenseifner on 2009-01-17 04:59:42 -0600

Please keep the Change-Log entry empty, i.e., the text should be only
"Not applicable".

You may move your comment into the "History" section.

mpiforumbot · 2016-07-23T22:51:56Z

Originally by gropp on 2009-02-06 08:26:53 -0600

Here's the current text:

10.2.1 Starting Processes

MPI applications may start new processes through an interface to an external process manager, which can range from a parallel operating system (CMOST) to layered software (POE) to an rsh command (p4).

In this place, I don't believe the existing examples are helpful - so I propose this alternative text:

MPI applications may start new processes through an interface to an external process
manager.

Comments?

mpiforumbot · 2016-07-23T22:51:57Z

Originally by traff on 2009-02-10 18:14:10 -0600

I think the proposal by Bill is good, and should be put forward. Any takers? (are you still active, Dries?)

Jesper

mpiforumbot · 2016-07-23T22:51:58Z

Originally by gropp on 2009-02-13 16:00:44 -0600

I've updated this to use my proposed solution, and I've corrected the change log entry. This is now ready for review.

mpiforumbot · 2016-07-23T23:22:01Z

Originally by traff on 2009-03-04 03:07:57 -0600

The phrase "a difficult situation" is perhaps not the most elegant or telling (proposed for p. 307).

What about "a vicious circle" or "a contradicting situation", or even "a catch-22 situation."

Otherwise I agree that references to specific (older) interfaces should be deleted (p. 294)

Jesper

mpiforumbot · 2016-07-23T23:22:01Z

Originally by RolfRabenseifner on 2009-03-24 11:06:39 -0500

My review:

If we delete CMPOST, poe, and p4 on 294.26, what are we doing with p298.1
"... POE ..." and ".... PVM ...". The proposal my mention in the description
section that p298.1 should be kept unchanged for some reasons.
Same with p2.16-20.
Is there any reason to remove the section title

"10.2.1 Starting Processes"

or is this a bug of the proposal?

My opinion (not review): I would prefer "a contradicting situation"

mpiforumbot · 2016-07-23T23:22:02Z

Originally by jsquyres on 2009-04-02 14:34:06 -0500

Dries / Bill -- do you want this ticket to move forward in Chicago next week?

mpiforumbot · 2016-07-23T23:22:02Z

Originally by dries on 2009-04-03 14:36:26 -0500

I agree with Bill's suggestion:

replace "MPI applications may start new processes through an interface to an external process manager, which can range from a parallel operating system (CMOST) to layered software (POE) to an rsh command (p4)." with "MPI applications may start new processes through an interface to an external process manager."

Obvisouly, the section header: "10.2.1 Starting Processes" can stay. I copied it into the ticket to provide some context.

About "catch-22": I prefer "a vicous circle" or dropping "- catch 22" alltogether.

mpiforumbot · 2016-07-23T23:22:03Z

Originally by jsquyres on 2009-04-04 10:48:17 -0500

Dries -- will you be updating the proposal? The modus operandi for MPI-2.2 tickets is to edit the proposal itself (you can edit the original text by scrolling down to the bottom of the ticket page and editing directly) and then we review it again.

mpiforumbot · 2016-07-23T23:22:04Z

Originally by gropp on 2009-04-05 16:09:49 -0500

I've updated the proposal, choosing the "drop the Catch-22" as the option for the second change (and including the entire sentence for context).

mpiforumbot · 2016-07-23T23:22:04Z

Originally by jsquyres on 2009-04-06 05:51:14 -0500

Reviewed ok.

mpiforumbot · 2016-07-23T23:22:04Z

Originally by RolfRabenseifner on 2009-04-07 10:08:06 -0500

Okay.

mpiforumbot · 2016-07-23T23:22:05Z

Originally by rsthakur on 2009-04-07 10:50:50 -0500

OK

mpiforumbot · 2016-07-23T23:22:05Z

Originally by RolfRabenseifner on 2009-04-07 11:30:15 -0500

Taking Bills, Jeffs, Rajeevs, and my review, this ticket can be set to "Reviewed".
Done this.

mpiforumbot · 2016-07-23T23:22:07Z

Originally by dgsolt on 2009-07-12 01:20:38 -0500

Attachment added: ticket-13-change1.pdf (31.5 KiB)

mpiforumbot · 2016-07-23T23:22:07Z

Originally by dgsolt on 2009-07-12 01:21:11 -0500

Attachment added: ticket-13-change2.pdf (31.3 KiB)

mpiforumbot · 2016-07-23T23:22:08Z

Originally by RolfRabenseifner on 2009-08-28 17:07:11 -0500

PDF review: okay.

mpiforumbot · 2016-07-23T23:22:09Z

Originally by bronis on 2009-08-29 18:37:20 -0500

PDF Review OK.

mpiforumbot · 2016-07-23T23:22:09Z

Originally by traff on 2009-08-30 06:29:10 -0500

PDF reviewed, OK

mpiforumbot · 2016-07-23T23:22:10Z

Originally by jsquyres on 2010-09-18 04:58:32 -0500

This ticket is (long-since) complete; marking it resolved/text committed.

mpiforumbot self-assigned this Jul 23, 2016

mpiforumbot added this to the 2009/07/27 Chicago milestone Jul 23, 2016

mpiforumbot added Text (only) changes Ticket complete MPI 2.2 Text committed labels Jul 23, 2016

mpiforumbot added Not ready / author rework and removed Ticket complete labels Jul 23, 2016

mpiforumbot modified the milestones: 2009/02/09 San Jose, 2009/07/27 Chicago Jul 23, 2016

mpiforumbot modified the milestones: 2009/04/06 Chicago, 2009/02/09 San Jose Jul 23, 2016

mpiforumbot added this to the 2009/06/08 California milestone Jul 23, 2016

mpiforumbot modified the milestones: 2009/04/06 Chicago, 2009/07/27 Chicago, 2009/06/08 California Jul 23, 2016

mpiforumbot added Passed Waiting for PDF reviews and removed Not ready / author rework Passed labels Jul 23, 2016

mpiforumbot added Ticket complete and removed Waiting for PDF reviews labels Jul 23, 2016

mpiforumbot closed this as completed Jul 23, 2016

mpiforumbot mentioned this issue Jul 24, 2016

Regular (non-vector) version of MPI_Reduce_scatter #27

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Small clarifications in chapter 10 #13

Small clarifications in chapter 10 #13

mpiforumbot commented Jul 23, 2016 •

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Small clarifications in chapter 10 #13

Small clarifications in chapter 10 #13

Comments

mpiforumbot commented Jul 23, 2016 • edited Loading

Small clarifications in chapter 10Author: Dries Kimpe

Status

Description

History

Proposed Solution

Impact on Implementations

Impact on Applications / Users

Alternative Solutions

Entry for the Change Log

mpiforumbot commented Jul 23, 2016

mpiforumbot commented Jul 23, 2016

mpiforumbot commented Jul 23, 2016

mpiforumbot commented Jul 23, 2016

mpiforumbot commented Jul 23, 2016

10.2.1 Starting Processes

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