[vlc-devel] [PATCH 1/2] Android: disable tremor
remi at remlab.net
Fri Feb 3 09:06:02 CET 2012
On Thu, 02 Feb 2012 14:58:25 -0500, Edward Wang
<edward.c.wang at compdigitec.com> wrote:
> On 12-02-02 01:42 PM, Måns Rullgård wrote:
>> Note that those benchmarks are from an ARM11 (the "ARMv6TEJ"
>> mentioned on the page does not exist). On a device with NEON the
>> difference is much greater in favour of libavcodec.
> I don't know what planet you live on, but the /proc/cpuinfo on the phone
> tells me it is a ARMv6TEJ CPU architecture without NEON extensions
> phone. As far as I know there is no ARMv11 architecture yet.
ARMv6TEJ is an instructions set. That says nothing about the performance.
You could have very slow and very fast implementations of the same ISA.
ARM11 is a CPU design. That is actually what matters most in terms of
run-time performance (besides the clock frequency obviously), and thus in
benchmarks. You could have completely different benchmarking results with a
different implementation of the same ARMv6 instructions set.
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