Re: Reading from /dev/fb0 very slow?

Pavel Machek wrote: > > Hi! > > I did some benchmarks, and my framebuffer is *way* faster when writing > than when reading: > > root@bug:/home/pavel# time cat /tmp/test > /dev/fb0 > 0.01user 0.08system 0.09 (0m0.097s) elapsed 93.13%CPU > root@bug:/home/pavel# time cat /dev/fb0 > /dev/null >

Reading from /dev/fb0 very slow?

Hi! I did some benchmarks, and my framebuffer is *way* faster when writing than when reading: root@bug:/home/pavel# time cat /tmp/test > /dev/fb0 0.01user 0.08system 0.09 (0m0.097s) elapsed 93.13%CPU root@bug:/home/pavel# time cat /dev/fb0 > /dev/null 0.00user 0.62system 0.62 (0m0.620s) elapsed

Reading from /dev/fb0 very slow?

Hi! I did some benchmarks, and my framebuffer is *way* faster when writing than when reading: root@bug:/home/pavel# time cat /tmp/test /dev/fb0 0.01user 0.08system 0.09 (0m0.097s) elapsed 93.13%CPU root@bug:/home/pavel# time cat /dev/fb0 /dev/null 0.00user 0.62system 0.62 (0m0.620s) elapsed

Re: Reading from /dev/fb0 very slow?

Pavel Machek wrote: Hi! I did some benchmarks, and my framebuffer is *way* faster when writing than when reading: root@bug:/home/pavel# time cat /tmp/test /dev/fb0 0.01user 0.08system 0.09 (0m0.097s) elapsed 93.13%CPU root@bug:/home/pavel# time cat /dev/fb0 /dev/null 0.00user