[libfabric-users] fi_read completion event (Biddiscombe, John A.)

[Evan Harvey]

Hi John,

I believe you need to set FI_RMA_EVENT in the caps.

To do this add:
hints->caps |= FI_RMA_EVENT before calling fi_getinfo.

The fi_getinfo and fi_endpoint man pages have more information about what
FI_RMA_EVENT does when set.

Hope this helps,
~Evan

On Thu, Mar 9, 2017 at 1:00 PM, <
libfabric-users-request at lists.openfabrics.org> wrote:

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>    1. fi_read completion event (Biddiscombe, John A.)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Thu, 9 Mar 2017 16:09:23 +0000
> From: "Biddiscombe, John A." <biddisco at cscs.ch>
> To: "libfabric-users at lists.openfabrics.org"
>         <libfabric-users at lists.openfabrics.org>
> Subject: [libfabric-users] fi_read completion event
> Message-ID: <91E2CB01-C8E7-4067-B1A7-1DD81BAB5B46 at cscs.ch>
> Content-Type: text/plain; charset="utf-8"
>
> Hello list
>
> I’m not getting any completion events from fi_read calls.
>
> I’m binding the cq using
>             ret = fi_ep_bind(*new_endpoint, &txcq->fid, FI_TRANSMIT);
> and just to play safe I tried adding FI_COMPLETION to the cq create flags
>             cq_attr.wait_obj = FI_WAIT_NONE;
>             cq_attr.size = info->tx_attr->size;
>             cq_attr.flags = FI_COMPLETION;
>             ret = fi_cq_open(fabric_domain_, &cq_attr, &txcq, &txcq);
>
> the fi_read returns success, so I think my args are ok.
>
> What else might I have missed to tell the cq that I’d like completion
> events from read operations?
>
> Thanks
>
> JB
>
> --
> John Biddiscombe,                        email:biddisco @.at.@ cscs.ch
> http://www.cscs.ch/
> CSCS, Swiss National Supercomputing Centre  | Tel:  +41 (91) 610.82.07
> Via Trevano 131, 6900 Lugano, Switzerland   | Fax:  +41 (91) 610.82.82
>
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