[openfabrics-ewg] Backup maintainers for Open MPI and SDP
Yaron Segev
yarons at voltaire.com
Sun Mar 26 14:25:24 PST 2006
>You're right, no sense rehashing ancient history
Agreed
___________________________________________________________
Yaron Segev | +972-9-9717650 (o) | +972-54-4996631 (m)
Director, Software Development
Voltaire - The Grid Backbone
www.voltaire.com______________________________________________
-----Original Message-----
From: Roland Dreier [mailto:rdreier at cisco.com]
Sent: Sunday, March 26, 2006 10:39 PM
To: Yaron Segev
Cc: Openfabrics-ewg at openib.org; Sujal Das; Michael S. Tsirkin
Subject: Re: [openfabrics-ewg] Backup maintainers for Open MPI and SDP
>> According to previous discussions ... The right comparison is
>> CPU%/BW, in that case Voltaire SDP is over 300% better
Yaron> We are all heading GEN2, I'm not sure if mention GEN1
Yaron> history is the right thing, maybe we just have to focus of
Yaron> where we are going now and just do the best we can about
Yaron> that.
You're right, no sense rehashing ancient history (and certainly Voltaire
has had years to contribute to openib SDP if it had an interest in doing
so). However, just for the record, Libor later told me that he felt the
CPU usage numbers were likely inaccurate -- he believed the difference
was just coming from the fact that the Voltaire SDP was spending more
CPU in interrupt context, and my measurement was missing that CPU time.
- R.
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