linux-kernel - Re: [PATCH v3 00/14] Driver of Intel(R) Gaussian & Neural Accelerator

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Message-ID: <85a6nq45uh.fsf@linux.intel.com>
Date:   Wed, 16 Jun 2021 09:38:14 +0200
From:   Maciej Kwapulinski <maciej.kwapulinski@...ux.intel.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Jonathan Corbet <corbet@....net>,
        Derek Kiernan <derek.kiernan@...inx.com>,
        Dragan Cvetic <dragan.cvetic@...inx.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        Guy Zadicario <guy.zadicario@...el.com>
Subject: Re: [PATCH v3 00/14] Driver of Intel(R) Gaussian & Neural Accelerator


Greg Kroah-Hartman <gregkh@...uxfoundation.org> writes:

> On Thu, May 13, 2021 at 01:00:26PM +0200, Maciej Kwapulinski wrote:
>> Dear kernel maintainers,
>> 
>> This submission is a kernel driver to support Intel(R) Gaussian & Neural
>> Accelerator (Intel(R) GNA). Intel(R) GNA is a PCI-based neural co-processor
>> available on multiple Intel platforms. AI developers and users can offload
>> continuous inference workloads to an Intel(R) GNA device in order to free
>> processor resources and save power. Noise reduction and speech recognition
>> are the examples of the workloads Intel(R) GNA deals with while its usage
>> is not limited to the two.
>
> How does this compare with the "nnpi" driver being proposed here:
> 	https://lore.kernel.org/r/20210513085725.45528-1-guy.zadicario@intel.com
>
> Please work with those developers to share code and userspace api and
> tools.  Having the community review two totally different apis and
> drivers for the same type of functionality from the same company is
> totally wasteful of our time and energy.
>
> thanks,
>
> greg k-h

after consulting, we will try to share api and some kernel code
between the two drivers.

Following is the reference for more information:
https://lore.kernel.org/lkml/20210615145755.GA25911@aipg-stp-03.iil.intel.com/

regards,
Maciej