Anuga-user Digest, Vol 71, Issue 3

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Today's Topics:

1. Re: Anuga-user Digest, Vol 71, Issue 2 (Stephen Roberts)


----------------------------------------------------------------------

Message: 1
Date: Sat, 18 Oct 2014 09:46:23 +1100
From: Stephen Roberts <stephen...@anu.edu.au>
Subject: Re: [Anuga-user] Anuga-user Digest, Vol 71, Issue 2
To: anuga...@lists.sourceforge.net
Message-ID: <54419C3F...@anu.edu.au>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Hi Jos,

I know of a user who wrote a wrapper around mpi4py to mimic pypar and so
was able to run anuga parallel using mpi4py.

I will try to obtain his code.

But it was not too difficult.

The only tricky part was realising that pypar checks for contiguous data
(when sending numpy arrays) and mpi4py doesn't, so the wrapper needed to
check for that and copy to contiguous data before sending.

Cheers
Steve



On 17/10/2014 11:02 PM, anuga-use...@lists.sourceforge.net wrote:
> Send Anuga-user mailing list submissions to
> anuga...@lists.sourceforge.net
>
> To subscribe or unsubscribe via the World Wide Web, visit
> https://lists.sourceforge.net/lists/listinfo/anuga-user
> or, via email, send a message with subject or body 'help' to
> anuga-use...@lists.sourceforge.net
>
> You can reach the person managing the list at
> anuga-us...@lists.sourceforge.net
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Anuga-user digest..."
>
>
> Today's Topics:
>
> 1. Anuga-Parallel not compatible with cluster configuration
> (Jos? Galaz)
> 2. Parallel anuga not compatible with cl?ster configuration
> (Jos? Galaz)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 16 Oct 2014 18:23:28 -0300
> From: Jos? Galaz <jdg...@uc.cl>
> Subject: [Anuga-user] Anuga-Parallel not compatible with cluster
> configuration
> To: anuga...@lists.sourceforge.net
> Message-ID:
> <CALTyBR=vmqvKEFAUgtM_39Wz6FpJwc2cno=vTUvsJC...@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Dear mailing-list,
>
> I am currently having some troubles trying to use AnuGA in a cluster
> installed at my university. The administrator of the cluster tells me that
> pypar handles the memory in a different way than it is currently being done
> here, and hence, it is not compatible.
>
> One solution they suggested was to run my program using mpi4py, but I
> assume that it is not an easy thing to do with AnuGA. Has anyone had faced
> a problem like this before?
>
> I'm totally open to suggestions, and please, feel free to ask about any
> other detail you may consider important.
>
> Best regards,
>
> Jos?
> -------------- next part --------------
> An HTML attachment was scrubbed...
>
> ------------------------------
>
> Message: 2
> Date: Thu, 16 Oct 2014 18:18:39 -0300
> From: Jos? Galaz <jdga...@gmail.com>
> Subject: [Anuga-user] Parallel anuga not compatible with cl?ster
> configuration
> To: anuga...@lists.sourceforge.net
> Message-ID:
> <CALTyBR=gxDB7-6Kemzp_+TwFHTLsoAgpe2Bot+=4+67xbzPy=w...@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Dear mailing-list,
>
> I am currently having some troubles trying to use AnuGA in a cluster
> installed at my university. The administrator of the cluster tells me that
> pypar handles the memory in a different way than it is currently being done
> here, and hence, it is not compatible.
>
> One solution they suggested was to run my program using mpi4py, but I
> assume that it is not an easy thing to do with AnuGA. Has anyone had faced
> a problem like this before?
>
> I'm totally open to suggestions, and please, feel free to ask about any
> other detail you may consider important.
>
> Best regards,
>
> Jos?
> -------------- next part --------------
> An HTML attachment was scrubbed...
>
> ------------------------------
>
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> End of Anuga-user Digest, Vol 71, Issue 2
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>


--
+--------------------------------------------------------------------+
| Steve Roberts | My Office: (61)(2) 6125 4445 |
| Department of Mathematics | Math Office: (61)(2) 6125 2908 |
| Mathematical Sciences Institute| Fax: (61)(2) 6125 4984 |
| John Dedman Building #27 | mailto:stephen...@anu.edu.au |
| Australian National University | http://www.maths.anu.edu.au/~steve|
| Canberra ACT 0200 AUSTRALIA | ANU CRICOS # 00120C |
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