Re: Audio Units and OpenCL?
Re: Audio Units and OpenCL?
- Subject: Re: Audio Units and OpenCL?
- From: Jeff Moore <email@hidden>
- Date: Thu, 10 Sep 2009 14:33:13 -0700
To answer these questions:
- GCD's threads all run at lower priority than what time constraint
threads run as. Offhand, I don't know what priorities it does use, but
it should be easy enough to see using tools like the -M argument to ps
or Shark.
- I'm not sure why you would want to disable it, but GCD is an
essential system feature that I'm fairly certain cannot be disabled.
On Sep 10, 2009, at 1:53 PM, tahome izwah wrote:
To add to what Alejandro asked - is there any way to disable GCD
system wide, like eg. on a server?
Thanks
--th
2009/9/10 Alejandro <email@hidden>:
Ian,
It seems that you are a scheduler expert. Let me throw a question.
Our app is an audio editor host which creates a number of real-time
threads
using the cache affinity and time constraint API functions. It
works very
consistently with hard real-time requirements at very low latencies
(about
2mS per cycle) when no other application is running in the server.
Can I be
sure that GCD will not affect this performance? It is crucial for us.
--
Jeff Moore
Core Audio
Apple
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