[MITgcm-support] RE: first draft

Chris Hill cnh at mit.edu
Thu Jul 8 07:40:36 EDT 2004


hi detlef,

 patrick and I can take a quick look and see if there is something obvious.
we don't have an sx-6 (?) so we will need an account, password and some way
to run on the machine etc...

chris

> -----Original Message-----
> From: Detlef Stammer [mailto:stammer at ifm.zmaw.de] 
> Sent: Wednesday, July 07, 2004 9:14 PM
> To: Patrick Heimbach
> Cc: cnh at ocean.mit.edu; Carl Wunsch; detlef stammer
> Subject: Re: first draft
> 
> Patrick;
> 
> did you get this email and would you have any feedback on 
> when you and/or Chris would have the time to look into this?
> 
> Detlef.
> On Tue, 2004-07-06 at 16:08, Detlef Stammer wrote:
> > Patrick;
> > 
> > since you volunteered yourself and Chris to look into the code 
> > optimization on the NEC computer: you have seen Armins 
> email stating 
> > that J-O Beisman was looking into this. He is now on 
> vacation and we 
> > did not receive anything from him. Would you be able to 
> look into this 
> > within the next 2 weeks? Armin should be able to get your 
> login linked 
> > to my project so that you can start working. I am doubtful, 
> however, 
> > that everything can be done remotely.
> > 
> > we will have to redo a long run of the GIN sea since we discovered 
> > several errors in the code. So getting the code to run 
> effectively on 
> > N node will be quite important for us.
> > 
> > 
> > Detlef.
> > 
> > 
> > 
> > On Sat, 2004-07-03 at 13:51, Patrick Heimbach wrote:
> > > Detlef,
> > > 
> > > one question:
> > > do we need to be specific on which machine we request 
> computing time 
> > > (blackforest vs. bluesky) or will allocation allow usage of both 
> > > machine at choice?
> > > 
> > > -Patrick
> > > 
> > > 
> > > 
> > > Quoting Detlef Stammer <stammer at ifm.zmaw.de>:
> > > 
> > > > Carl; Patrick;
> > > > 
> > > > regarding the next CSL Proposal; most of that time should go 
> > > > toward what ECCO-GODAE intends to do and that is 
> essentially your 
> > > > choice. Patrick lists a long list of things of what 
> could put in. 
> > > > To me a selection seems useful since you want to come 
> back and put 
> > > > a new proposal in that does not promise the same thing again.
> > > > 
> > > > With the newly awarded  Community support we should 
> come along OK 
> > > > in Hamburg. Essentially our goals will be to finalize 
> and improve 
> > > > th e50yr run by including new geoid information (possibly also 
> > > > angular momentum
> > > > data) and by expanding the control vector to include mixing 
> > > > coefficients similar to my previous work but now in a 
> proper way. 
> > > > Those things will keep us busy for some time. It might 
> be useful 
> > > > to put them in with 25% of the requested allocations 
> also into the new CSL proposal.
> > > > 
> > > > Regarding Patrick comments: 
> > > > 
> > > > yes he is correct that the Nighthawk2 nodes are on 
> blackforest. We 
> > > > used to use them for the reason Patrick states but 
> don't do this 
> > > > any more since we shifted over to Bluesky. And yes - we 
> did put in 
> > > > the correct numbers of CPU h per model year which are 
> based on our 
> > > > effort and experience on Bluesky - they are not just 
> fantasy as one might conclude:
> > > > Bluesky is much faster (factor 4) than blackforest.
> > > > 
> > > > Detlef.
> > > > 
> > > > 
> > > > On Tue, 2004-06-29 at 20:10, Patrick Heimbach wrote:
> > > > > Carl, Detlef,
> > > > > 
> > > > > I've attached a few notes re.the CSL draft.
> > > > > 
> > > > > -Patrick
> > > > > 
> > > > > Quoting Carl Wunsch <cwunsch at ocean.mit.edu>:
> > > > > 
> > > > > > Detlef, Patrick:
> > > > > > Here is a rough first draft, largely based on 
> Detlef's report.
> > > > > > It's to get a discussion started. Let me know what 
> you'd like 
> > > > > > t oadd, subtract, etc.
> > > > > > 
> > > > > > Carl
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > 
> > > > > 
> > > > > --------------------------------------------------------
> > > > > Patrick Heimbach   Massachusetts Institute of Technology
> > > > > FON: +1/617/253-5259                  EAPS, Room 54-1518
> > > > > FAX: +1/617/253-4464             77 Massachusetts Avenue
> > > > > mailto:heimbach at mit.edu               Cambridge MA 02139
> > > > > http://www.mit.edu/~heimbach/                        USA
> > > > > 
> > > > 
> > > 
> > > 
> > > --------------------------------------------------------
> > > Patrick Heimbach   Massachusetts Institute of Technology
> > > FON: +1/617/253-5259                  EAPS, Room 54-1518
> > > FAX: +1/617/253-4464             77 Massachusetts Avenue
> > > mailto:heimbach at mit.edu               Cambridge MA 02139
> > > http://www.mit.edu/~heimbach/                        USA
> > > 
> > > 
> 




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