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List:       openjdk-2d-dev
Subject:    Re: [OpenJDK 2D-Dev] <AWT Dev> RFR: 8251854: [macosx] Java forces the use of discrete GPU
From:       Philip Race <philip.race () oracle ! com>
Date:       2020-12-24 1:56:13
Message-ID: 09c700c6-dc7f-0599-0a2d-9c8455532b59 () oracle ! com
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 From the CSR ;

 >This change also improves the startup performance, on my current new
 > laptop mbp 16 + BigSur 11.1 the switching discrete/integrated causes 
unexpected delays up to 10 seconds.

This also has to be a bug. I thought it had gone away. Have we reported 
that to Apple ?
If not we should do so ASAP.

-phil.

On 12/23/20 5:04 PM, Sergey Bylokhov wrote:
> On Wed, 9 Dec 2020 17:40:34 GMT, Victor Dyakov <vdyakov@openjdk.org> wrote:
> 
> > > > > @kevinrushforth @prrace could you please review?
> > > > As we discussed yesterday, it is reviewed but not ready to be approved.
> > > > We are waiting for a reply from Apple.
> > > @prrace
> > > We are waiting for it for three months already. If it is possible then not sure \
> > > why other applications did not found any possible ways to force one specific \
> > > GPU. What we are wating for?
> > @mrserb @prrace  what is a back up plan in case we will not have a reply from \
> > Apple? (as we do not have it for 4! months). Definitely we need a plan B
> CSR is filed: https://bugs.openjdk.java.net/browse/JDK-8258918
> 
> -------------
> 
> PR: https://git.openjdk.java.net/jdk/pull/1139


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