NEON vectorization improvements - preliminary notes
ams at codesourcery.com
Wed Sep 22 17:03:18 BST 2010
On 22/09/10 12:23, Ira Rosen wrote:
>> The goal is a 15% speed improvement in EEMBC relative to FSF GCC 4.5.0
> Does this mean to improve a single benchmark from EEMBC by 15%?
> Do you have an EEMBC? I have a very old version, without DENBench, which
> looks interesting according to EEMBC's site. Other than that TeleBench and
> Consumer might have vectorization potential.
I don't think this is well defined, so, I guess that means we get to
twist it any way we like. ;)
Seriously though, I would argue that it should be 15% on average, across
all the EEMBC tests, or at least across all the tests where
vectorization makes sense.
The exact "15%" figure is not based on any hard facts, so we don't need
to get too precise about it.
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