Discussion of the Myrinet interconnect and GM

de Almeida, Valmor F. | 8 Jan 2007 17:53

one-sided comm with OpenMPI-MX


Hello,

Is one-sided communication supported with the combination OpenMPI 1.1.2
and MX-2G 1.1.6 on PCIXD NIC's?

Just double checking: is the Linux kernel 2.6.16 supported?

Thanks,

--
Valmor de Almeida
ORNL

headers

Patrick Geoffray | 9 Jan 2007 07:24

Re: one-sided comm with OpenMPI-MX

Hi,

de Almeida, Valmor F. wrote:
> Is one-sided communication supported with the combination OpenMPI 1.1.2
> and MX-2G 1.1.6 on PCIXD NIC's?

I am still working on native one-sided in MX. It still needs about 2 
weeks of work, so it should be in 1.3.0 (1.2.1 will come out any day now).

At the moment, I don't know if OpenMPI emulate one-sided on top of 
two-sided.

> Just double checking: is the Linux kernel 2.6.16 supported?

Yep.

Patrick
--

-- 
Patrick Geoffray
Myricom, Inc.
http://www.myri.com

headers

de Almeida, Valmor F. | 9 Jan 2007 18:22

RE: one-sided comm with OpenMPI-MX


Thank you Patrick.

I currently have a mix of PCIXD's and PCI64B's. I will be ordering PCIXD
replacements for the 64B's and move from MPICH-GM 1.2.6 to MX-OpenMPI
sooner than later.

Thanks,

--
Valmor

> -----Original Message-----
> From: Patrick Geoffray [mailto:patrick <at> myri.com]
> Sent: Tuesday, January 09, 2007 1:24 AM
> To: de Almeida, Valmor F.
> Cc: help <at> myri.com; myrinet <at> osc.edu
> Subject: Re: [Myrinet] one-sided comm with OpenMPI-MX
> 
> Hi,
> 
> de Almeida, Valmor F. wrote:
> > Is one-sided communication supported with the combination OpenMPI
1.1.2
> > and MX-2G 1.1.6 on PCIXD NIC's?
> 
> I am still working on native one-sided in MX. It still needs about 2
> weeks of work, so it should be in 1.3.0 (1.2.1 will come out any day
now).
>

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