On 2015-06-03 23:41, Jacco Ligthart wrote:
Hi List,
I just added the xorg-x11-drv-fbturbo driver to RedSleeve 7:
Xorg DDX driver for ARM devices (Allwinner, RPi and others), it's
based on the fbdev driver so will work in all places it does but has
NEON optimised code paths to improve ARM
It works for me on my pi model 2, although I have difficulty to
notice any difference.
It could be that performance differences only manifest under certain
loads (e.g. video scaling). Or it could be that the performance
improvements are offset by the fact that we are on a soft-float
distribution that incurs and extra overhead when accessing the
hardware FPU.
Is there any info available on exactly what operations this driver is
supposed to speed up so that we can measure it?
Gordan
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