Re: Proposal for Updating CRC32C with AVX-512 Algorithm.

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: "Amonson, Paul D" <paul(dot)d(dot)amonson(at)intel(dot)com>
Cc: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Andres Freund <andres(at)anarazel(dot)de>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Nathan Bossart <nathandbossart(at)gmail(dot)com>, "Shankaran, Akash" <akash(dot)shankaran(at)intel(dot)com>
Subject: Re: Proposal for Updating CRC32C with AVX-512 Algorithm.
Date: 2024-06-18 17:20:50
Message-ID: ZnHB8qxzqbCcHZL6@momjian.us
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On Tue, Jun 18, 2024 at 05:14:08PM +0000, Amonson, Paul D wrote:
> > And this bit doesn't look good. The LICENSE file says:
> ...
> > > // * Redistributions in binary form must reproduce the above
> > > // copyright notice, this list of conditions and the following
> > > disclaimer // in the documentation and/or other materials provided
> > > with the // distribution.
> ...
> > The second clause essentially says we would have to add a page to our
> > "documentation and/or other materials" with the contents of the license file.
>
> According to one of Intel’s lawyers, 55 instances of this clause was found when they searched in the PostgreSQL repository. Therefore, I assume that this obligation has either been satisfied or determined not to apply, given that the second BSD clause already appears in the PostgreSQL source tree. I might have misunderstood the concern, but the lawyer believes this is a non-issue. Could you please provide more clarifying details about the concern?

Yes, I can confirm that:

grep -Rl 'Redistributions in binary form must reproduce' . | wc -l

reports 54; file list attached.

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Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
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