April 2008 - Mpi3-abi - mailman3.cels.anl.gov

Re: [Mpi3-abi] For the April MPI Forum Meeting
by unknown＠example.com 25 Apr '08

25 Apr '08

On Apr 25, 2008, at 6:21 AM, Supalov, Alexander wrote: > I've reviewed the current spreadsheet. Note that according to our > current observations, 64-bit Linux column covers Itanium Linux as > well, > as far as the contents of the MPICH2 mpi.h is concerned. I take this > as > an indication that we should not forget that ABI is more than mpi.h, > and > that we should be very specific in the platform description. > > Also, we might want to split Linux and Windows into different > subsheets. > Indeed, splitting into 32- and 64-bit might be helpful as well, as > soon > as the table becomes densely populated. I think this is something we > should discuss when we see a joint ABI emerging. What is the goal for all of this analysis? I think we can already tell that: - many MPI implementations have different fixed values for the same MPI constants/etc. - some MPI implementations have run-time determined values (e.g., pointers) - some MPI implementations change values/types based on the compiler +platform that they are operating on Do we really need to make a comprehensive list of all MPI's on all compiler+platforms to see these trends? Is there specific data that would be gleaned from these vs. seeing a representative sample? (just trying to understand the purpose of the ever-expanding spreadsheet) > I have a process question here: how do we prevent multiple updates > running into each other, or overwriting each other accidentally? Is > there a check-in/out feature in Wiki, or should we introduce a manual > lock? Say, a file with a well known name to create before editing and > delete afterwards? The name of the creator would show who's holding > the > lock. The modification date of the main file would show whether the > copy > you're working with is still actual. How about creating separate spreadsheets, one for each MPI implementation? This would allow for more-or-less independent updates. At some point in the future (when most changes have been complete), they can be [re-]merged back into one spreadsheet. -- Jeff Squyres Cisco Systems

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Re: [Mpi3-abi] For the April MPI Forum Meeting
by unknown＠example.com 25 Apr '08

25 Apr '08

Hi, I've reviewed the current spreadsheet. Note that according to our current observations, 64-bit Linux column covers Itanium Linux as well, as far as the contents of the MPICH2 mpi.h is concerned. I take this as an indication that we should not forget that ABI is more than mpi.h, and that we should be very specific in the platform description. Also, we might want to split Linux and Windows into different subsheets. Indeed, splitting into 32- and 64-bit might be helpful as well, as soon as the table becomes densely populated. I think this is something we should discuss when we see a joint ABI emerging. I have a process question here: how do we prevent multiple updates running into each other, or overwriting each other accidentally? Is there a check-in/out feature in Wiki, or should we introduce a manual lock? Say, a file with a well known name to create before editing and delete afterwards? The name of the creator would show who's holding the lock. The modification date of the main file would show whether the copy you're working with is still actual. Best regards. Alexander -----Original Message----- From: Supalov, Alexander Sent: Friday, April 25, 2008 9:59 AM To: 'MPI 3.0 ABI working group' Subject: RE: [Mpi3-abi] For the April MPI Forum Meeting Mind the calling convention issues: MPICH2 uses _cdecl by default. MS MPI uses _stdlib. This makes a lot of difference for IA32 platform. -----Original Message----- From: mpi3-abi-bounces_at_[hidden] [mailto:mpi3-abi-bounces_at_[hidden]] On Behalf Of Erez Haba Sent: Thursday, April 24, 2008 8:56 PM To: MPI 3.0 ABI working group Subject: Re: [Mpi3-abi] For the April MPI Forum Meeting It is the same as MPICH2 for MPI constants. -----Original Message----- From: mpi3-abi-bounces_at_[hidden] [mailto:mpi3-abi-bounces_at_[hidden]] On Behalf Of Greg Lindahl Sent: Thursday, April 24, 2008 11:47 AM To: mpi3-abi_at_[hidden] Subject: Re: [Mpi3-abi] For the April MPI Forum Meeting > Do you have time to complete the Microsoft column? Isn't it the same as MPICH2? Likewise, many vendor MPIs are basd on MPICH-1. -- greg _______________________________________________ mpi3-abi mailing list mpi3-abi_at_[hidden] http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi _______________________________________________ mpi3-abi mailing list mpi3-abi_at_[hidden] http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi --------------------------------------------------------------------- Intel GmbH Dornacher Strasse 1 85622 Feldkirchen/Muenchen Germany Sitz der Gesellschaft: Feldkirchen bei Muenchen Geschaeftsfuehrer: Douglas Lusk, Peter Gleissner, Hannes Schwaderer Registergericht: Muenchen HRB 47456 Ust.-IdNr. VAT Registration No.: DE129385895 Citibank Frankfurt (BLZ 502 109 00) 600119052 This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies.

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Re: [Mpi3-abi] For the April MPI Forum Meeting
by unknown＠example.com 25 Apr '08

25 Apr '08

Mind the calling convention issues: MPICH2 uses _cdecl by default. MS MPI uses _stdlib. This makes a lot of difference for IA32 platform. -----Original Message----- From: mpi3-abi-bounces_at_[hidden] [mailto:mpi3-abi-bounces_at_[hidden]] On Behalf Of Erez Haba Sent: Thursday, April 24, 2008 8:56 PM To: MPI 3.0 ABI working group Subject: Re: [Mpi3-abi] For the April MPI Forum Meeting It is the same as MPICH2 for MPI constants. -----Original Message----- From: mpi3-abi-bounces_at_[hidden] [mailto:mpi3-abi-bounces_at_[hidden]] On Behalf Of Greg Lindahl Sent: Thursday, April 24, 2008 11:47 AM To: mpi3-abi_at_[hidden] Subject: Re: [Mpi3-abi] For the April MPI Forum Meeting > Do you have time to complete the Microsoft column? Isn't it the same as MPICH2? Likewise, many vendor MPIs are basd on MPICH-1. -- greg _______________________________________________ mpi3-abi mailing list mpi3-abi_at_[hidden] http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi _______________________________________________ mpi3-abi mailing list mpi3-abi_at_[hidden] http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi --------------------------------------------------------------------- Intel GmbH Dornacher Strasse 1 85622 Feldkirchen/Muenchen Germany Sitz der Gesellschaft: Feldkirchen bei Muenchen Geschaeftsfuehrer: Douglas Lusk, Peter Gleissner, Hannes Schwaderer Registergericht: Muenchen HRB 47456 Ust.-IdNr. VAT Registration No.: DE129385895 Citibank Frankfurt (BLZ 502 109 00) 600119052 This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies.

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Re: [Mpi3-abi] For the April MPI Forum Meeting
by unknown＠example.com 24 Apr '08

24 Apr '08

PathScale MPI is MPICH-1. -- greg

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Re: [Mpi3-abi] For the April MPI Forum Meeting
by unknown＠example.com 24 Apr '08

24 Apr '08

thanks At 01:23 PM 4/24/2008, you wrote: >I'll work on getting HP-MPI data in the spreadsheet. > >-Kannan- > >-----Original Message----- >From: mpi3-abi-bounces_at_[hidden] >[mailto:mpi3-abi-bounces_at_[hidden]] On Behalf Of Jeff Brown >Sent: Thursday, April 24, 2008 2:02 PM >To: MPI 3.0 ABI working group; mpi3-abi_at_[hidden] >Subject: Re: [Mpi3-abi] For the April MPI Forum Meeting > >OK - let's document that in the spreadsheet > >Which vendor implementation are different than the MPICH2 >reference? HP? Sun? IBM? SGI? > >It would be good to go into the meeting with the complete picture. > >Jeff > >At 12:46 PM 4/24/2008, Greg Lindahl wrote: > > > Do you have time to complete the Microsoft column? > > > >Isn't it the same as MPICH2? > > > >Likewise, many vendor MPIs are basd on MPICH-1. > > > >-- greg > >_______________________________________________ > >mpi3-abi mailing list > >mpi3-abi_at_[hidden] > >http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi > > >_______________________________________________ >mpi3-abi mailing list >mpi3-abi_at_[hidden] >http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi > >_______________________________________________ >mpi3-abi mailing list >mpi3-abi_at_[hidden] >http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi

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Re: [Mpi3-abi] For the April MPI Forum Meeting
by unknown＠example.com 24 Apr '08

24 Apr '08

I'll work on getting HP-MPI data in the spreadsheet. -Kannan- -----Original Message----- From: mpi3-abi-bounces_at_[hidden] [mailto:mpi3-abi-bounces_at_[hidden]] On Behalf Of Jeff Brown Sent: Thursday, April 24, 2008 2:02 PM To: MPI 3.0 ABI working group; mpi3-abi_at_[hidden] Subject: Re: [Mpi3-abi] For the April MPI Forum Meeting OK - let's document that in the spreadsheet Which vendor implementation are different than the MPICH2 reference? HP? Sun? IBM? SGI? It would be good to go into the meeting with the complete picture. Jeff At 12:46 PM 4/24/2008, Greg Lindahl wrote: > > Do you have time to complete the Microsoft column? > >Isn't it the same as MPICH2? > >Likewise, many vendor MPIs are basd on MPICH-1. > >-- greg >_______________________________________________ >mpi3-abi mailing list >mpi3-abi_at_[hidden] >http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi _______________________________________________ mpi3-abi mailing list mpi3-abi_at_[hidden] http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi

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Re: [Mpi3-abi] For the April MPI Forum Meeting
by unknown＠example.com 24 Apr '08

24 Apr '08

Hello Jeff, Cray uses mpich2. With respect to header files, for our x86_64 linux base systems, it should be compatible with any other mpich2 configured for x86_64 linux. Howard Jeff Brown wrote: >OK - let's document that in the spreadsheet > >Which vendor implementation are different than the MPICH2 >reference? HP? Sun? IBM? SGI? > >It would be good to go into the meeting with the complete picture. > >Jeff > >At 12:46 PM 4/24/2008, Greg Lindahl wrote: > > >>>Do you have time to complete the Microsoft column? >>> >>> >>Isn't it the same as MPICH2? >> >>Likewise, many vendor MPIs are basd on MPICH-1. >> >>-- greg >>_______________________________________________ >>mpi3-abi mailing list >>mpi3-abi_at_[hidden] >>http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi >> >> > > >_______________________________________________ >mpi3-abi mailing list >mpi3-abi_at_[hidden] >http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi > > -- Howard Pritchard Cray Inc.

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Re: [Mpi3-abi] For the April MPI Forum Meeting
by unknown＠example.com 24 Apr '08

24 Apr '08

Jeff Brown wrote: > OK - let's document that in the spreadsheet > > Which vendor implementation are different than the MPICH2 > reference? HP? Sun? IBM? SGI? > > Sun's implementation is basically Open MPI. --td > It would be good to go into the meeting with the complete picture. > > Jeff > > At 12:46 PM 4/24/2008, Greg Lindahl wrote: > >>> Do you have time to complete the Microsoft column? >>> >> Isn't it the same as MPICH2? >> >> Likewise, many vendor MPIs are basd on MPICH-1. >> >> -- greg >> _______________________________________________ >> mpi3-abi mailing list >> mpi3-abi_at_[hidden] >> http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi >> > > > _______________________________________________ > mpi3-abi mailing list > mpi3-abi_at_[hidden] > http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi >

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Re: [Mpi3-abi] For the April MPI Forum Meeting
by unknown＠example.com 24 Apr '08

24 Apr '08

OK - let's document that in the spreadsheet Which vendor implementation are different than the MPICH2 reference? HP? Sun? IBM? SGI? It would be good to go into the meeting with the complete picture. Jeff At 12:46 PM 4/24/2008, Greg Lindahl wrote: > > Do you have time to complete the Microsoft column? > >Isn't it the same as MPICH2? > >Likewise, many vendor MPIs are basd on MPICH-1. > >-- greg >_______________________________________________ >mpi3-abi mailing list >mpi3-abi_at_[hidden] >http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi

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Re: [Mpi3-abi] For the April MPI Forum Meeting
by unknown＠example.com 24 Apr '08

24 Apr '08

It is the same as MPICH2 for MPI constants. -----Original Message----- From: mpi3-abi-bounces_at_[hidden] [mailto:mpi3-abi-bounces_at_[hidden]] On Behalf Of Greg Lindahl Sent: Thursday, April 24, 2008 11:47 AM To: mpi3-abi_at_[hidden] Subject: Re: [Mpi3-abi] For the April MPI Forum Meeting > Do you have time to complete the Microsoft column? Isn't it the same as MPICH2? Likewise, many vendor MPIs are basd on MPICH-1. -- greg _______________________________________________ mpi3-abi mailing list mpi3-abi_at_[hidden] http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-abi

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