RE: [GD-General] responsive threading

[Mat N. \(BUNGIE\) <mat...@mi...>]

Unfortunately, there are many function calls that can cause stalls under
multithreading: mixing blocking and non-blocking file i/o, allocating
memory with malloc/free, CRT functions that manipulate global state,
etc.

MSN
-----Original Message-----
From: gam...@li...
[mailto:gam...@li...] On Behalf Of
Andras Balogh
Sent: Friday, July 29, 2005 3:07 PM
To: gam...@li...
Subject: Re: [GD-General] responsive threading

I understand that, and I am thankful for your suggestions, but the=20
problem is that I don't really know what's going on in this=20
decompression library myself.. I was just assuming that whatever it=20
does, there is a way to make it not disturb my main thread.


Andras


Mat Noguchi (BUNGIE) wrote:
> Without knowing exactly what you are doing on both threads, it is very
> hard to determine the source of framerate spikes that are caused by
> multithreading.
>=20
> MSN
> -----Original Message-----
> From: gam...@li...
> [mailto:gam...@li...] On Behalf Of
> Andras Balogh
> Sent: Friday, July 29, 2005 2:34 PM
> To: gam...@li...
> Subject: Re: [GD-General] responsive threading
>=20
> Even if this was the case, it would hurt overall performance, no?=20
> Overall performance is very good, I just don't like the occasional
> spikes...
>=20
>=20
> Mat Noguchi (BUNGIE) wrote:
>=20
>>If you are both reading and decompressing on the IO thread, you are
>>likely causing a lot of context switches if you have not modified the
>>priority on either thread.
>>
>>MSN
>=20


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