Re: How long do render callbacks have to execute?
Re: How long do render callbacks have to execute?
- Subject: Re: How long do render callbacks have to execute?
- From: Paul Davis <email@hidden>
- Date: Sun, 21 Aug 2011 18:25:36 -0400
On Sun, Aug 21, 2011 at 6:07 PM, Stephen Blinkhorn
<email@hidden> wrote:
> For future reference
> and since its relevant to this discussion I'd like to ask what are the
> potential problems with interleaved data and SIMD?
suppose you want to apply a particular SIMD instruction to a channel's
data. each successive sample needs to be directly adjacent the
previous one - SIMD has no concept of "skipping" data values.
with interleaved data, this just will not work, so you cannot use SIMD
instructions nor get the speed benefits they provide.
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