[PD-dev] compiler optimizations and TclTk

[Hans-Christoph Steiner]

On Nov 28, 2005, at 6:12 PM, carmen wrote:

> On Mon, Nov 28, 2005 at 03:35:30PM -0500, Hans-Christoph Steiner wrote:
>>
>> Has anyone ever done any profiling to see whether it makes any
>> difference if you compile TclTk with the CPU compiler flags?
>
> switching to 8.5 did seem to help a decent amount, more so than any  
> optimilization flags.. kind of like the sIMD additions to devel helps  
> much more than slopping on a bunch of -O3 -fomit-frame-pointer gunk.  
> but youre welcome to play funroll-loops and let us know what you find  
> :)

Yes, I can imagine that SIMD stuff would help.  Have you run into any  
bugs with 8.5?

>>  One of
>> the next steps is to make a global OPTIM_FLAGS variable, so that the
>
> the last 'pd wont compile' to this list was actually caused by  
> aggressive optimization flags coupled with redhat's screwy compilers..

Yeah, this would just be for personal gratification.  The default would  
be conservative.

.hc

>
>> whole package can be built for a certain CPU.  I wonder whether TclTk
>
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