On Thu, Jun 2, 2022 at 7:31 PM Pai G, Sunil wrote:
>
> Hi Li,
>
> My responses are inline.
>
> Thanks and Regards,
> Sunil
>
> > -Original Message-
> > From: Li Zhang
> > Sent: Thursday, June 2, 2022 9:56 PM
> > To: Pai G, Sunil
> > Cc: ovs-discuss@openvswitch.org
> > Subject: Re: [ovs-d
Hi Li,
My responses are inline.
Thanks and Regards,
Sunil
> -Original Message-
> From: Li Zhang
> Sent: Thursday, June 2, 2022 9:56 PM
> To: Pai G, Sunil
> Cc: ovs-discuss@openvswitch.org
> Subject: Re: [ovs-discuss] One question about AVX512 support
>
> Hi Pai,
>
> Thanks a lot. It
On Thu, Jun 2, 2022 at 6:56 PM Raymond Burkholder wrote:
>
>
>
> On 2022-06-02 10:26, Li Zhang wrote:
> > Hi Pai,
> >
> > Thanks a lot. It helps.
> > These patches allow ovs to decide to disable or enable AVX512 if I
> > understand it correctly.
> > Is it recommended to enable AVX512? AVX512 is e
On 2022-06-02 10:26, Li Zhang wrote:
Hi Pai,
Thanks a lot. It helps.
These patches allow ovs to decide to disable or enable AVX512 if I
understand it correctly.
Is it recommended to enable AVX512? AVX512 is enabled by default.
It is disabled in DPDK because it is experimental. I wonder if I
s
On Thu, Jun 2, 2022 at 6:30 PM Raymond Burkholder wrote:
>
>
>
> On 2022-06-02 10:26, Li Zhang wrote:
> > Hi Pai,
> >
> > Thanks a lot. It helps.
> > These patches allow ovs to decide to disable or enable AVX512 if I
> > understand it correctly.
> > Is it recommended to enable AVX512? AVX512 is e
Hi Pai,
Thanks a lot. It helps.
These patches allow ovs to decide to disable or enable AVX512 if I
understand it correctly.
Is it recommended to enable AVX512? AVX512 is enabled by default.
It is disabled in DPDK because it is experimental. I wonder if I
should disable it, it may cause performanc
Hi Li,
The assumption of ovs being dependent on dpdk for avx512 might not be true.
I found these two commits below in ovs-2.14.2 which strips out the "-march" and
"-mno-avx512f" flags exported by dpdk i.e removes dependency on DPDK. The
reason for this is rightly mentioned below as well. Hope t
Thanks, that's exactly what I was looking for!
On Thu, Jun 2, 2022 at 9:31 AM Lewis Denny wrote:
> Hi Lars,
>
> I had a similar question recently, the answer I got is the following:
>
> "A patch port is not the same as a veth pair. It is not used to "send" and
> "receive" traffic. When we proces
Hi Lars,
I had a similar question recently, the answer I got is the following:
"A patch port is not the same as a veth pair. It is not used to "send" and
"receive" traffic. When we process an upcall and have to determine what
actions
to perform on a packet, a patch_port is is basically an equival
Hi all,
We are using openvswitch 2.14.2, and dpdk-19.11.4. I found avx512 is
enabled by default but it's disabled in DPDK. But I think ovs is
dependent on the dpdk library, right? But why does ovs work with
avx512 disabled in DPDK?
I am not quite sure about the relationship between OVS and DPD
Given two OVS bridges connected by a patch port, I would like to run
`tcpdump` on either of the patch interfaces to see traffic passing between
the switches. The command runs without error, but doesn't see any of the
expected traffic.
The basic configuration looks something like this:
ovs-vsc
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