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Re: [External] Re: [PATCH 3/4] Implement zero page checking using DSA.
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From: |
Hao Xiang |
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Subject: |
Re: [External] Re: [PATCH 3/4] Implement zero page checking using DSA. |
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Date: |
Tue, 30 May 2023 10:59:28 -0700 |
On Tue, May 30, 2023 at 2:26 AM Duan, Zhenzhong
<zhenzhong.duan@intel.com> wrote:
>
> Hi Hao,
>
> > + memset(&descriptor, 0, sizeof(descriptor));
> > +
> > + descriptor.opcode = DSA_OPCODE_COMPARE;
>
> What about using DSA_OPCODE_COMPVAL with zero?
> DSA_OPCODE_COMPARE consumes double bandwidth by reading
> from both src and dest address.
>
Agreed,. That's a good idea! I will switch to use DSA_OPCODE_COMPARE
and perform some benchmark testing.
> Thanks
> Zhenzhong