Re: [Beowulf] How Can Microsoft's HPC Server Succeed?

2008-04-18 Thread Greg Lindahl
On Fri, Apr 18, 2008 at 04:22:13PM -0700, John Vert wrote: > V1 ("Windows Compute Cluster Server 2003") uses > WinsockDirect. High-speed interconnects like Infiniband plug into > this stack through the existing WinsockDirect provider interface. Ah. It's still considerably slower than real native

Re: [Beowulf] Improving access to a Linux beowulf cluster for Windows users

2008-04-18 Thread Joe Landman
Kilian CAVALOTTI wrote: The same benchmark on lower-end hardware (E5345) running Linux (same 4X DDR IB though), gives roughly 30% better results: While these ping results are interesting, a real app they are not. I prefer fluent data, sitting on fluent's web site. Turns out they do have ide

Re: [Beowulf] Improving access to a Linux beowulf cluster for Windows users

2008-04-18 Thread Kilian CAVALOTTI
On Wednesday 09 April 2008 11:48:19 am Greg Lindahl wrote: > p.s. did anyone see this blog posting claiming that it takes Linux > clusters several minutes to start a 2048 core job? > > http://terboven.spaces.live.com/Blog/cns!EA3D3C756483FECB!267.entry > > I would have commented, but you have to ha

Re: [Beowulf] How Can Microsoft's HPC Server Succeed?

2008-04-18 Thread Greg Lindahl
On Fri, Apr 18, 2008 at 11:59:19PM +0200, Bogdan Costescu wrote: > The reasons > for using Windows were more or less the same that have been mentioned > in this thread, so I won't repeat them. To note is that they weren't > using Windows exclusively, but only on a part of the cluster, the rest

Re: [Beowulf] How Can Microsoft's HPC Server Succeed?

2008-04-18 Thread Bogdan Costescu
Sorry to divert a bit the thread towards its initial subject and away from the security issues currently discussed... I've just seen a presentation from a University (which shall remain unnamed) which partnered with Microsoft for... well, HPC. The reasons for using Windows were more or less

RE: [Beowulf] Opteron 235X: mobos & coolers

2008-04-18 Thread Tom Elken
Mikhail, > We plan to add 4-cores Opteron 2354-based nodes. > Is there some "contradictory evidences" for Tyan S2932G2NR > http://www.tyan.com/product_board_spec.aspx?pid=453? We've just started testing Opteron 2352 (2.1 Ghz) with Tyan S2912-E http://www.tyan.com/product_board_detail.

Re: [Beowulf] Opteron 235X: mobos & coolers

2008-04-18 Thread Joe Landman
Mikhail Kuzminsky wrote: We plan to add 4-cores Opteron 2354-based nodes. Is there some "contradictory evidences" for Tyan S2932G2NR http://www.tyan.com/product_board_spec.aspx?pid=453? BTW, there is no AMD recomendations for 4-cores Opteron coolers. Is there some ideas which coolers

[Beowulf] Opteron 235X: mobos & coolers

2008-04-18 Thread Mikhail Kuzminsky
We plan to add 4-cores Opteron 2354-based nodes. Is there some "contradictory evidences" for Tyan S2932G2NR http://www.tyan.com/product_board_spec.aspx?pid=453? BTW, there is no AMD recomendations for 4-cores Opteron coolers. Is there some ideas which coolers are good for Opteron 2354

Re: [Beowulf] where to start building ur own cluster distro

2008-04-18 Thread Mikhail Kuzminsky
In message from stephen mulcahy <[EMAIL PROTECTED]> (Wed, 16 Apr 2008 16:11:58 +0100): ... If you're committed to rolling your own distro and joining the likes of those listed at http://lwn.net/Distributions/ then I'd recommend Debian as a good starting point. But I'd echo Jakob's comments -