Firefox vs. rthreads

Re:Firefox vs. rthreads by floatboth on Monday April 11, 2016 @03:34PM (#11474461)

Make sure you have OpenGL off-main-thread composition enabled. I think it's still disabled by default on X11 systems, because they don't trust the drivers yet. Check about:support for "GPU Accelerated Windows".

about:config → layers.acceleration.force-enabled = true, layers.offmainthreadcomposition.testing.enabled = true, gfx.xrender.enabled = false.

Also, some "beta quality" features: browser.tabs.remote.autostart = true (e10s multiprocess) + layers.async-pan-zoom.enabled = true (exactly what it says, async scrolling like in Chromium, IIRC it requires e10s).

With all these enabled in stable Firefox on FreeBSD, the experience is excellent.

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Re:Firefox vs. rthreads by cm3 on Monday April 11, 2016 @03:57PM (#11474623)

I have neither enabled and Firefox+X11 is the smoothest Firefox on the same machine. May depend on drivers, versions, and config, obviously.

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Re:Firefox vs. rthreads by floatboth on Monday April 11, 2016 @04:05PM (#11474673)

May depend on CPU performance :) On my 3.4GHz 4-core desktop, it is pretty much always smooth. But on my 1.7GHz 2-core laptop, async pan&zoom makes a noticeable difference.

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Re:Firefox vs. rthreads by cm3 on Monday April 11, 2016 @05:22PM (#11475211)

FWIW I'm using it on an old Core2Duo and a mobile Sandy Bridge Dual Core, so nothing fast by today's standards.

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