Messages in this thread | | | Date | Wed, 3 Jan 2007 17:10:16 +0200 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH v4 01/13] Linux RDMA Core Changes |
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> > > I've run this code with mthca and didn't notice any performance > > > degradation, but I wasn't specifically measuring cq_poll overhead in a > > > tight loop... > > > > We were speaking about ib_req_notify_cq here, actually, not cq poll. > > So what was tested? > > > > Sorry, I meant req_notify. I didn't specifically measure the cost of > req_notify before and after this change. > > I've been running the user mode perftest programs mainly.
So, it's not really activated a lot there. You want something like IPoIB BW test.
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