Re: [Beowulf] curiosity killed the cat

2016-06-02 Thread Christopher Samuel
On 03/06/16 06:54, Douglas Eadline wrote: > Many of the 10Gbe (and above) vendors seem to > be paying more attention to performance than > before. I like that for my small scale Limulus > boxes I can get 8-9 usec latency using tcp, Yeah, a small Haswell cluster on an untuned 100GigE switch that I

[Beowulf] Singularity V2 is out

2016-06-02 Thread Douglas Eadline
All, https://github.com/gmkurtzer/singularity/releases/tag/2.0 Updated website here: http://singularity.lbl.gov -- Doug -- Mailscanner: Clean ___ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription

Re: [Beowulf] curiosity killed the cat

2016-06-02 Thread Douglas Eadline
> On 02/06/16 05:25, Andrew Piskorski wrote: > >> You mean GAMMA (Genoa Active Message MAchine): > Used both of these > GAMMA's last update was 2009, according to their website. Very good, but only worked for Intel e1000 (IIRC) > Brice pulled the plug on Open-MX in December 2015. Worked well,

Re: [Beowulf] curiosity killed the cat

2016-06-02 Thread Greg Lindahl
Yes, I'm pleased that several companies have adopted message rate as a metric, although I'm also sad that some have gamed the benchmark with message coalescing. N1/2 was intended to say something about the shape of the bandwidth-by-message-size curve. The smaller it is, the farther you can go with

Re: [Beowulf] curiosity killed the cat

2016-06-02 Thread John Hearns
If anyone is interested in infrastructures using Ethernet like that, have a look at JASMIN int he UK http://www.ceda.ac.uk/projects/jasmin/ http://www.channelweb.co.uk/crn-uk/news/2339003/viglen-scents-hpc-success-with-gbp4m-jasmin-deal Mellanox switching with 10Gbps to the edge and a rather la