You should see if you can ping John S, he had some SSE optimized EQ code at
one point, the code was lost but he might have some insights about how to
optimize the EQs...
Guess if you are rolling an optimized Qt build, need to do some static
linking on Linux for those libs... Probably just have to jigger with
SCons/qmake a little bit for it.
Good hunting!
-G
__
--- == __/ t.O ==--
http://stacktrace.org/
On Tue, Mar 17, 2009 at 8:16 AM, Sean M. Pappalardo <
[email protected]> wrote:
> Adam Davison wrote:
> > Due to the insane maintainability issues associated with this I would
> > very much encourage you to make sure there is a significant
> > improvement in latency associated with this before you dig in :)
>
> Oh, of course! That's why I'm asking you guys to list the parts of the
> code that could most benefit from this in the wiki so I (we?) know what
> to focus on. Then we begin profiling and analysis.
>
> The documents on that site I referenced are very good and thorough! He
> explains the pros and cons of different compilers, how to profile, the
> law of diminishing returns, and even offers optimal versions of certain
> standard library functions which, simply by compiling against, may
> realize a noticeable speed increase depending on how often they're used.
> Sounds like the guy has the same philosophy as I do. :) I'm just
> wondering, since we use Qt for everything, if we'll have to compile Qt
> itself against that asmlib in order to realize a large benefit. (If
> true, that's another vote for sticking with MSVC, Albert. ;) ) That's
> another reason why I need to know which parts of our code to focus on:
> to see how heavily they rely on Qt's implementations for things.
>
> I'll play with compiling Mixxx and Mixxx + Qt against asmlib after we
> get 1.6.2 beta out. (How much butt would it kick to release 1.6.2 gold
> with a small speed increase?! :) )
>
> Sean
>
>
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