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Date:      Sun, 7 Feb 2021 02:07:32 -0500
From:      Aryeh Friedman <aryeh.friedman@gmail.com>
To:        Paul Procacci <pprocacci@gmail.com>
Cc:        Patrick Mahan <plmahan@gmail.com>, User Questions <freebsd-questions@freebsd.org>
Subject:   Re: Suggested upgrade for a GeForce GT 450
Message-ID:  <CAGBxaXmEjdkxWLRugWsJf6_1JqLYuNQF=xaaMANhiQ5CD=Whmg@mail.gmail.com>
In-Reply-To: <CAFbbPuhOQYwJpX57cciXgH9EKv2OmtJBANkFc99UHib-Gj-Q0g@mail.gmail.com>
References:  <CAFDHx1LRvcJHNnYFJB=JQzk_p+17i9e2qEHZOMGRCojiyaV5aw@mail.gmail.com> <CAFbbPugv13CZVVyZAtshPtn-kKM=7oHon-iQoy8dSHH2N9z3xQ@mail.gmail.com> <CAGBxaXmdUnQANVBwottmu8j_LuB9vJubK=sQxBUGRfQEFMxskA@mail.gmail.com> <CAFbbPuhOQYwJpX57cciXgH9EKv2OmtJBANkFc99UHib-Gj-Q0g@mail.gmail.com>

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Again DO NOT TOP POST!

On Sun, Feb 7, 2021 at 1:56 AM Paul Procacci <pprocacci@gmail.com> wrote:

> I think you're mistaken.  I like Nvidia and always have liked Nvidia.
> There are limitations to the card however when it comes to gpu offloading
> of tasks that utilize either cuda or similar.
> It's simply not possible.  Full stop.
>

Again incorrect the documentation for the nVidia driver even discusses how
to set up CUDA here are two of the relevant quotes from it:

"Disabling acceleration is useful when another component, such as CUDA,
    requires exclusive use of the GPU's processing cores. Performance of
the X
    server will be reduced when acceleration is disabled, and some features
    may not be available."

"The NVIDIA driver will not perform any
    mode validation or mode setting for this X screen. This is intended for
    use in conjunction with CUDA or in remote graphics solutions such as VNC
    or Hewlett Packard's Remote Graphics Software (RGS)."

>From an article on the release of 12.0-BETA4 (
https://www.phoronix.com/scan.php?page=news_item&px=FreeBSD-12.0-Beta-4):

"This is necessary for FreeBSD 64-bit CUDA support with NVIDIA's driver.
Previously the FreeBSD CUDA support played nicely with 32-bit, but that was
dropped in CUDA 9.0. This should help too for other 64-bit Linux emulation
code for working with NVIDIA's binary graphics driver."

-- 
Aryeh M. Friedman, Lead Developer, http://www.PetiteCloud.org



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