Scott, Thanks for the reply again. The third party api that we use leverages a combination of UDP and TCP socket conntections for speed. Is there something for UCP as well?
Sean Scott Weitzenkamp (sweitzen) wrote: > If you are using TCP, you can use SDP transparently via libsdp to get > improved latency and throughput. > > Scott > > >> -----Original Message----- >> From: Sean Hubbell [mailto:[EMAIL PROTECTED] >> Sent: Monday, October 23, 2006 8:56 AM >> To: Scott Weitzenkamp (sweitzen) >> Cc: [email protected] >> Subject: Re: [openib-general] IPoIB Question >> >> We currently have a non-homogeneous cluster so that seems that would >> possible explain a few of the differences that I have seen on >> some of my >> tests. I will look at netperf.org and see what they have to offer. >> >> On another note, is there plans to have IPoIB support the full >> throughput that infiniband 4x or 12x has? Specifically, can I keep my >> legacy apps and just upgrade the network to take advantage of >> the bandwidth? >> >> Sean >> >> Scott Weitzenkamp (sweitzen) wrote: >> >>> IPoIB performance will vary quite a bit depending on what >>> >> motherboard, >> >>> CPU speed, and HCA type you have. What are the specs on >>> >> the systems >> >>> you are using? >>> >>> Netperf (www.netperf.org <http://www.netperf.org>) is a >>> >> good tool to >> >>> measure IPoIB performance. >>> >>> Scott Weitzenkamp >>> SQA and Release Manager >>> Server Virtualization Business Unit >>> Cisco Systems >>> >>> >>> >>> >> -------------------------------------------------------------- >> ---------- >> >>> *From:* [EMAIL PROTECTED] >>> [mailto:[EMAIL PROTECTED] *On Behalf >>> >> Of *Hubbell, >> >>> Sean C Contractor/Decibel >>> *Sent:* Monday, October 23, 2006 5:53 AM >>> *To:* [email protected] >>> *Cc:* Sean Hubbell >>> *Subject:* [openib-general] IPoIB Question >>> >>> Hello, >>> >>> I currently have several applications that uses a legacy IPv4 >>> protocol and I use IPoIB to utilize my infiniband network which >>> works great. I have completed some timing and >>> >> throughput analysis >> >>> and noticed that I do not get very much more if I use an >>> infiniband network interface than using my GigE network >>> >> interface. >> >>> My question is, am I using IPoIB correctly or are these the >>> typical numbers that everyone is seeing? Is there a standard >>> application that I may use to test my current configuration? >>> >>> Thanks in advance, >>> >>> Sean >>> >>> > > > _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
