Re: [Beowulf] OT: Looking for position in HPC, San Francisco and environs

2007-04-18 Thread Bruce Allen
On Wed, 18 Apr 2007, Joshua Baker-LePain wrote: If anyone is looking (or knows someone looking) for a HPC/cluster sysadmin in or around San Francisco, I would greatly appreciate hearing from you off-list. I'll be moving out there at the end of July, and I'd really like to be able to pay the r

Re: [Beowulf] Re: Linux laptops, and M$ advertisement

2007-04-18 Thread Peter St. John
mean pun. On 4/18/07, matt jones <[EMAIL PROTECTED]> wrote: mu is equlivent to the term average. indeed in statistics it means the mean. hense why it could be taken ither way. yea and no avereage to give mu. Robert G. Brown wrote: > Actually, technically, Zhaozhou answered "Mu", which doesn't

[Beowulf] OT: Looking for position in HPC, San Francisco and environs

2007-04-18 Thread Joshua Baker-LePain
If anyone is looking (or knows someone looking) for a HPC/cluster sysadmin in or around San Francisco, I would greatly appreciate hearing from you off-list. I'll be moving out there at the end of July, and I'd really like to be able to pay the rent (yeah, I know that's a bit much to ask for in

Re: [Beowulf] 1.2 us IB latency?

2007-04-18 Thread greg . lindahl
On Wed, Apr 18, 2007 at 01:49:08PM -0400, Mark Hahn wrote: > suggesting that your competitors are stupid or ignorant is _not_ good PR. Yeah, this causes me to hold my tongue on a regular basis ;-) I think Gil must have missed my email a while ago showing slides that prove InfiniPath's cpu overhe

RE: [Beowulf] 1.2 us IB latency?

2007-04-18 Thread Mark Hahn
We gain experience from each generation and implement it in the next generations, and this is the outcome. thanks, I needed my daily dose of marketing-speak. unfortunately, the question remains unanswered. gradual improvement does not explain a 3x improvement. Do you expect me to describe i

Re: [Beowulf] Re: Linux laptops, and M$ advertisement

2007-04-18 Thread matt jones
mu is equlivent to the term average. indeed in statistics it means the mean. hense why it could be taken ither way. yea and no avereage to give mu. Robert G. Brown wrote: > Actually, technically, Zhaozhou answered "Mu", which doesn't have a > precise meaning in English but approximates as "No

RE: [Beowulf] 1.2 us IB latency?

2007-04-18 Thread Mark Hahn
Nothing was broken in the previous InfiniBand adapters. The previous generation, with higher MPI latency still beat other solutions that shows lower latency, due to the fully offload architecture. look, that's just not true. I've got a cheap, low-end cluster which uses plain old myri2g and mx,

RE: [Beowulf] 1.2 us IB latency?

2007-04-18 Thread Mark Hahn
in anycase, if this is a non-streaming latency result, it's pretty good; enough to make quadrics look comprehensively out of the picture (guess they've switched horses to 10GE anyway.) It is a non-streaming latency on Mellanox ConnectX. On MPI it is 1.2us latency - Pallas MPI Ping. this is som