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

From: Kenneth Lee
Date: Fri Feb 01 2019 - 07:09:13 EST

在 2019/2/1 下午6:07, Greg Kroah-Hartman 写道:
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!

Thank you very much for your encouragement:)

Kenneth Lee


greg k-h