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Subject: Re: [OMPI devel] RFC: adding OMPIO module and new parallel I/O frameworks to trunk
From: Graham, Richard L. (rlgraham_at_[hidden])
Date: 2011-08-16 13:38:05


I am in favor.

Rich

On Aug 16, 2011, at 11:51 AM, Jeff Squyres wrote:

> We talked about this on the call today.
>
> No one seemed to have any objections; I generally think that this is the good idea.
>
> Any other comments?
>
>
> On Aug 12, 2011, at 4:09 PM, Edgar Gabriel wrote:
>
>> WHAT: add the ompio io module and new parallel io frameworks to trunk
>>
>> TIMEOUT: 08/22/2011
>>
>> DETAILS:
>>
>> we would like to bring the ompio module and the new parallel io
>> frameworks to the trunk to expose it to a wider set of platforms and
>> more widespread testing. The current functionality - while not yet
>> providing the full functionality of MPI I/O - is already useful, since
>> all blocking individual and collective I/O operations (arbitrary file
>> views, implicit and explicit offset) are supported. The missing
>> functionality ( non-blocking individual I/O and shared file pointers)
>> are currently being worked on and exist partially as stand-alone libraries.
>>
>> The current goal is to enable compilation of the new modules and
>> frameworks per default, but not use them unless explicitly requested by
>> the user, i.e. ROMIO will remain the default selection.
>>
>> Very little existing code is being touched, since most of the new code
>> are new frameworks and modules. If somebody would like to have a look at
>> the code and the changes, here isa public repository with the code.
>>
>> hxxps://bitbucket.org/mschaara/ompio
>>
>> The list of modified files are:
>> ? ompi/mca/fbtl
>> ? ompi/mca/sharedfp
>> ? ompi/mca/fcoll
>> ? ompi/mca/fs
>> ? ompi/mca/fcache
>> ? ompi/mca/io/ompio
>> M ompi/mca/io/romio/src/io_romio_component.c
>> M ompi/mca/io/base/io_base_file_select.c
>> M ompi/mca/io/base/io_base_delete.c
>> ? ompi/config/ompi_check_pvfs2.m4
>> ? ompi/config/ompi_check_lustre.m4
>>
>> Feedback is highly welcome.
>>
>> Thanks
>> Edgar
>>
>> --
>> Edgar Gabriel
>> Assistant Professor
>> Parallel Software Technologies Lab hxxp://pstl.cs.uh.edu
>> Department of Computer Science University of Houston
>> Philip G. Hoffman Hall, Room 524 Houston, TX-77204, USA
>> Tel: +1 (713) 743-3857 Fax: +1 (713) 743-3335
>>
>> _______________________________________________
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>> devel_at_[hidden]
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>
>
> --
> Jeff Squyres
> jsquyres_at_[hidden]
> For corporate legal information go to:
> hxxp://www.cisco.com/web/about/doing_business/legal/cri/
>
>
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