Re: Memory sharing between two primary processes

[Kiran Khatke <kirankhatke23may@gmail.com>]

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Hi Pravin,

Both are DPDK application, so want  to use DPDK Share memory i.e hugepages.

How to share memory between two independent (Primary) application?  Does
memif PMD allows that ?

Thanks,
Kiran

On Mon, Jun 6, 2022 at 5:58 AM Pathak, Pravin <pravin.pathak@intel.com>
wrote:

> Hi Kiran –
>
> Can your application create and manage shared memory on it own without
> using DPDK support ?
>
> Regards
>
> Pravin
>
>
>
> *From:* Kiran Khatke <kirankhatke23may@gmail.com>
> *Sent:* Monday, June 6, 2022 2:26 AM
> *To:* users@dpdk.org
> *Subject:* Memory sharing between two primary processes
>
>
>
> Hi,
>
>
>
> Per DPDK Multiprocess, we know that, it is possible to share
> memory(hugepages) between a primary and secondary Process.  Primary process
> allocates the memory and that is accessible by the secondary (both are
> using same  "--file-prefix=" parameter).
>
>
>
> There is a need in our application, to have two primary processes (started
> with different file-prefix) and would like to know the options - To share
> memory (hugepage) between two primaries and which can give us better
> throughputs.
>
>
>
> During exploration, got to know about memif PMD, which allows for DPDK and
> any other client using memif (DPDK, libmemif) to communicate over shared
> memory.
>
> Do you have any comments about memif performance ? Are there better
> options over memif to share memory between two primaries ?
>
>
>
> Thanks ,
>
> Kiran
>

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