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charset="UTF-8" Subject: Re: [dpdk-dev] [RFC PATCH 0/5] graph: introduce graph subsystem X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> On Tue, Feb 25, 2020 at 10:53 AM Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com> wrote: > > 2) Based on our experience, NPU HW accelerates are so different than one > > vendor to another vendor. Going forward, We believe, API abstraction may > > not be enough abstract the difference in HW. The Vendor-specific nodes can > > abstract the HW differences and reuse generic the nodes as needed. > > This would help both the silicon vendors and DPDK end users. > If you are proposing this as a new way to provide HW abstractions, then we will be restricting the application programming model to follow graph subsystem. IMO, the HW abstractions should be available irrespective of the programming model. > Graph model of packet processing might not be applicable for all use cases. No, I am not proposing this is the new way to provide HW abstraction in DPDK. API based HW abstraction will continue as it was done earlier.