Re: [PATCH/RFC 0/5] HW accel subsystem

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On Fri, Feb 01, 2019 at 05:10:40PM +0800, Kenneth Lee wrote:
> After the RFCv2 was sent to the lkml, we do not get much feedback. But the
> Infini-band guys said they did not like it. They think the solution is
> re-invention of ib-verbs.

No one needs to re-invent a monstrosity that is ib-verbs.  If anything,
that is a model that should never be recreated again, showing that we
can learn from past mistakes :)

> But we do not think so. ib-verbs maintains semantics of "REMOTE memory". But
> UACCE maintains semantics of "LOCAL memory". We don't need to send, or sync
> memory with other parties. We share those memory with all processes who share
> the local bus.

I agree, don't try to duplicate the mess that people moved away from
(hint, everyone sane wraps ib-verbs in another model that can actually
be used and understood...)

> But we know we need more "complete" solution to let people understand and accept
> our idea. So now we are working on it with our Compression and RSA accelerator
> on Hi1620 Server SoC. We are also planning to port our AI framework on it.
> Do you think we can cooperate to create an framework in Linux together? Please
> feel free to ask for more information. We are happy to answer it.

Sure, that sounds like a great goal!


greg k-h

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