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OS X - Apps and Games Discussion of applications and games available for Mac OS X.

Flash 10.2, no difference in CPU usage


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The_Pro

 
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Sup Guys,

i downloaded and installed Flash 10.2 beta because apparently it reduces cpu usage dramatically. Well for some reason it dosnt change anything for me cpu usage on my 2.66 i7 MBP is the same as it was with flash square. Did i do something wrong? anything i need to set up so that it works?
i saw the video from the adobe labs page where 1080p video over flash on a new 11.6" MBA has a cpu usage of max 10%. on my MBP, 720p video has 70-90% cpu usage (i set my MBP to use the Nvidia 330M).
I'd appreciate any info, on how to change it so it works, and if someone maybe had the problem and solved it.

Cheers
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cwa107

 
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It's supposed to use the GPU to offload processing - but that's just robbing Peter to pay Paul. It's not like you're going to see better battery life or less heat. I wouldn't waste too much time worrying about it, to be honest. Flash is a hog, always has been, always will be - and Adobe has neither the savvy, talent or will to make it any different.

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10.2 only has a drastic reduction in streaming sites that use Stage Video. Not many do yet since it's all still beta. But I will say on the demo pages I saw and the random YouTube pages that use it, I've seen a dramatic decrease in CPU. Like only 20% for full HD video. Huge improvement.

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The_Pro

 
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ohh so other sites need to be compatible first? thats stupid flash should just start to use the gpu instead of the cpu but then thats probably not possible, otherwise they woulda done it
yeh i just found a 1080p youtube video, nVideo purevideo HD 1080p Test, and then my flash dosnt use over 18%. does that video use Stage video?
@ cwa107: it would increase battery life on the i7 MBP's, once the cpu is used a fair amount (25% +) the energy consumption increases a lot, much more than with the i5's.
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Quote:
Originally Posted by The_Pro View Post
ohh so other sites need to be compatible first? thats stupid flash should just start to use the gpu instead of the cpu but then thats probably not possible, otherwise they woulda done it
yeh i just found a 1080p youtube video, nVideo purevideo HD 1080p Test, and then my flash dosnt use over 18%. does that video use Stage video?
@ cwa107: it would increase battery life on the i7 MBP's, once the cpu is used a fair amount (25% +) the energy consumption increases a lot, much more than with the i5's.
It already does use the GPU starting with 10.1. It's just further refined with stage video in 10.2.

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cwa107

 
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Quote:
Originally Posted by The_Pro View Post
ohh so other sites need to be compatible first? thats stupid flash should just start to use the gpu instead of the cpu but then thats probably not possible, otherwise they woulda done it
Don't underestimate the ineptitude of Adobe. We're talking about a company that can't build a PDF viewer that requires less than 50MB of RAM, when competitors like FoxIt PDF Viewer use less than 1MB. OpenCL and DirectCompute, offer APIs to do this today. Not sure why Adobe can't take full advantage of them.

Quote:
yeh i just found a 1080p youtube video, nVideo purevideo HD 1080p Test, and then my flash dosnt use over 18%. does that video use Stage video?
@ cwa107: it would increase battery life on the i7 MBP's, once the cpu is used a fair amount (25% +) the energy consumption increases a lot, much more than with the i5's.
Again, you're robbing Peter to pay Paul. So, your CPU isn't providing the processing power and you've shifted it to the GPU.. I find it difficult to believe that it would be more efficient doing tasks that it wasn't designed to do. Now, multiprocessing can surely pay dividends in freeing up one processing core for other work - but how that would make for more efficient power use is beyond me.

Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!
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The_Pro

 
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I couldnt find the link or thread, but somewhere on these exact forums someone posted a chart, comparing power usage of the 2.4, 2.53 ghz i5's vs the 2.66ghz i7. The i7 unerd allready about 25% load uses over a third more power then the 2.53 i5. I noticed this myself, a friend of mine has the 2.4 i5, and has a lot better battery life when viewing flash then my i7. The GPU uses less power then the CPU, atleast the GPU's which are in the 15"+17" MBP's (as they are underclocked aswell).
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