On 4/8/20 1:07 PM, Hans Peter Verne wrote:
> We'll never know, as I gave up on RHEL8 and reinstalled the system
> with RHEL7.  I can now get VGL to work, but I must admit I am not
> impressed, so far.  Running glxgears is slow and jerky, it is much
> smoother to run it simply with ssh -X.

That's your decision.  I'm not getting paid to support you, but I was
happy to keep working with you to diagnose and fix the issue, as long as
you were willing to work with me.

GLXgears is not a valid comparison.  The window size and geometry of
that benchmark are so small that it barely even involves the GPU.  Try
running

  /opt/VirtualGL/bin/glxspheres64 -m -p 1000000

both with and without VirtualGL if you really want to see the advantage
of VirtualGL.  Also please understand that, irrespective of performance,
a lot of modern OpenGL functionality will simply not be available in an
indirect OpenGL environment (running OpenGL applications with ssh -X
uses indirect OpenGL.)

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