Re: Drawing noise in Cocoa (preferably fast)
Re: Drawing noise in Cocoa (preferably fast)
- Subject: Re: Drawing noise in Cocoa (preferably fast)
- From: Uli Kusterer <email@hidden>
- Date: Fri, 17 Jun 2011 08:18:03 +0200
On 17.06.2011, at 03:08, Ken Tozier wrote:
> On Jun 16, 2011, at 12:34 PM, Stephen Blinkhorn wrote:
>> A quick test on a 2GHz iMac takes at least twice as long 4.5 seconds to generate a 10,000 X 10,000 CGLayer of noise.
>>
>> Stephen
>
> Thanks. Difference could just be the processor. My laptop has a 2.4 GHz core i5
Might also be the GPU. After all, CoreImage's whole point is that it runs on the GPU preferably, and frees the CPU up for other uses.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://groups.yahoo.com/group/mac-gui-dev/
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