[PD] -rt w/ pd-extended on OS X

[B. Bogart]

-nosleep seems to have solved the issue.

I'm now getting the right numbers for [delay] in [realtime].

.b.

B. Bogart wrote:
> I'm not doing any audio, just Gem rendering.
> 
> I did not have a chance to try -nosound (or is it -noaudio) anyhow I'll 
> give that a try next time.
> 
> On a machine with multiple CPUs I expect all the OS stuff to end up on 
> one CPU, and PD using up a whole one, meaning that timing should be 
> tight until nearly 100% cpu. Since I'm having problems around 60%, hard 
> to say what is up.
> 
> I'm using the same pd-extended.
> 
> Hans, Miller, does -rt do anything on OSX??
> 
> .b.
> 
> William Brent wrote:
>> Hi Ben,
>>
>> For what it's worth, I just tested a patch running steady at 85% with
>> 0.41.4-extended, and realtime reliably gives me values between
>> 992-1008ms for a [delay 1000].  This is on a 2.5Ghz Intel Core 2 Duo,
>> 4GB, OS 10.5.8.
>>
>>
>>
>> On Sat, Mar 6, 2010 at 10:25 PM, B. Bogart <ben at ekran.org> wrote:
>>> Hey all,
>>>
>>> I've been running a patch on an intel mac for a while, but noticed some
>>> horrid timing problems [delay 1000] takes ~3000ms according to 
>>> [realtime].
>>> The patch uses between 50% and 105% CPU according to top.
>>>
>>> I've not got it down to about ~1500ms, but I can't pull back the 
>>> patch any
>>> further, and top says it using only 50-64% CPU...
>>>
>>> I realized I was not using -rt, but when I try and run pd-extended 
>>> (sorry I
>>> don't recall the version, probably the stable one as of Sept 2009) pd 
>>> does
>>> not start in -rt mode, I get no messages from stdout or the console 
>>> like I
>>> do in linux to tell me about priority scheduling.
>>>
>>> Are there versions of pd-extended for OSX where -rt works? How do I 
>>> set it.
>>>
>>> I tried:
>>>
>>> -rt in "startup flags"
>>>
>>> sudo /Application/Pd-extended/.../bin/pd -rt
>>>
>>> sudo su
>>> /Application/Pd-extended/.../bin/pd -rt
>>>
>>> And nothing works.
>>>
>>> So what have I missed? Or what Pd should I be using?
>>>
>>> Thanks,
>>> B. Bogart
>>>
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>>
>>
>>
> 
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