All BTLs have the exclusivity MCA parameter. This indicate how
friendly a BTL is about sharing the communications with others BTLs.
A very high exclusivity means there will be only one BTL. A low
exclusivity means multiple BTLs can co-exist and work together to
send the same message. All high performance networks by default have
a high exclusivity, in order to make sure they don't get used
together with something a lot slower (such as TCP).
On Jun 5, 2007, at 3:40 PM, Mohamad Chaarawi wrote:
> I was going through the MCA btl parameters for openib and came
> across this
> parameter in which i didn't get what it actually does:
> MCA btl: parameter "btl_openib_exclusivity" (current value: "1024")
> BTL exclusivity (must be >= 0)
> anybody has any idea?
> Mohamad Chaarawi
> Instructional Assistant http://www.cs.uh.edu/~mschaara
> Department of Computer Science University of Houston
> 4800 Calhoun, PGH Room 526 Houston, TX 77204, USA
> devel mailing list
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