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[DS] Sucker Punch Seeking More Ways To Use PS4′s RAM; CPU a Bottleneck - Page 10

post #91 of 150
Quote:
Originally Posted by Mr gardoki View Post

He raises a great point though. I'm sure people on this site have a better tv situation but the average person probably does not. Even I don't. I have a 42" tv and sit about 10 feet away from it so 720 vs 1080 is impossible to see.

Can I ask why on earth you have a TV that small at 10 feet away? Do you use binoculars to see from that far? xD
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post #92 of 150
Quote:
Originally Posted by icanhasburgers View Post

Yields, yields and more yields. That's the key right now for why I feel they are keeping the CPU at 1.6Ghz only. Until they've perhaps gone to a small die shrink or/and feel more comfortable with yields, then they might bump up the speed, which should help nicely. It's natural for companies to be conservative at first and not all out there for technical and production reasons.

From what I've read in various sites, the CPU can run at 2,75Ghz, with AMD Turbo Core;
Quote:
The way Turbo Core works is by monitoring how busy the CPU cores are and whether single threaded operations are prominent. Turbo Core can switch off several of the idling cores and use them as thermal heatsinks so the active cores can run at higher speeds. Thus, the PlayStation 4 and Xbox One CPU would only be running at such high speeds with only two or four cores switched on, which may not affect too many gaming scenarios.

Source
post #93 of 150
Quote:
Originally Posted by DatPhoria View Post

From what I've read in various sites, the CPU can run at 2,75Ghz, with AMD Turbo Core;
That is the GDDR5 clock rate.

CK(Command Clock) = 1.375 GHz
WCK(Write Clock) = 2.75 GHz

There are two write clocks to give you 5.5 GHz; (5.5 GHz * 256-bit) ÷ 8 = 176 GB/s.
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post #94 of 150
Quote:
Originally Posted by Seronx View Post

That is the GDDR5 clock rate.

CK(Command Clock) = 1.375 GHz
WCK(Write Clock) = 2.75 GHz

There are two write clocks to give you 5.5 GHz; (5.5 GHz * 256-bit) ÷ 8 = 176 GB/s.

Sorry but what did you mean?
post #95 of 150
Quote:
Originally Posted by bencher View Post

To bold... hence "learn to write proper code".

This is game programming, not application programming.

break component into n pieces(usually naively such that each piece has an equal number of items to process), calculate over n cores, recombine and process information, repeat.

Then there are memory coherency and load balancing issues, at times the computer time might scale with the integer being used within some loop, this results in a need to break up loops by estimated(e.g. for each item in a loop, calculate i^i^i^i).
if one of the n pieces takes too long to process then there's a bottleneck. If recompilation or the non- parallelizeable components take a while then scaling dies too.


Have you ever tried to implement some sort of learning algorithm? It doesn't always scale.


Not to imply that I'ma good coder, I'm not. I mostly just call functions written by others and use that to analyze data.
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post #96 of 150
Quote:
Originally Posted by KyadCK View Post

Once again, we already have this; PS3 and PS4. Note how the games overlap. They are different consoles with different hardware. There is no "PS3+", and there will not be a "PS4+", there will be a "PS5".

However, consoles are changing into PCs and have been for a while now. If Steambox is successful that's PC gaming going directly into console territory and would mean that both MS and Sony would be reconsidering how they do consoles, I'm sure they'd love to be able to make them like smartphones where they make a new one every year with a slight upgrade and people just buy whenever they want if they could do that.

Plus, it wouldn't take much effort for developers to simply have a slightly lower end version for the PS4 for a couple years. They'd likely already be doing it for PC anyway.
Quote:
Originally Posted by Clocknut View Post

I dont think they are going to change the CPU, it will require a game to be rewritten again for more threads. As I said b4 most likely if they really want to make one, it is going to be a 1080p capable PS4, since the current one isnt really 1080p capable.

overall I still cannot see how Sony can make another PS4, if anything they probably make the PS5 after 5yrs(at earliest) from now, the 8 core on PS4 stays for at least min 5yrs.

I doubt more cores too personally, however that doesn't mean they can't update the architecture for more IPC and performance in general. A simple solution would be to add more cores only on major releases.
Quote:
Originally Posted by Kuivamaa View Post

Depends on the engine/game really. Quite often, raising the resolution is increasing CPU load, I suppose that's an issue console devs have to deal with. It is also one of the reasons why benching gaming CPUs at unreasonably low resolutions is rather pointless.

It raises the CPU load somewhat however it raises the GPU load far more, that's why a lower end CPU will show vastly bigger differences at 720p than 1080p where the GPU tends to bottleneck games.
    
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post #97 of 150
Quote:
Originally Posted by Brutuz View Post

However, consoles are changing into PCs and have been for a while now. If Steambox is successful that's PC gaming going directly into console territory and would mean that both MS and Sony would be reconsidering how they do consoles, I'm sure they'd love to be able to make them like smartphones where they make a new one every year with a slight upgrade and people just buy whenever they want if they could do that.

Plus, it wouldn't take much effort for developers to simply have a slightly lower end version for the PS4 for a couple years. They'd likely already be doing it for PC anyway.
I doubt more cores too personally, however that doesn't mean they can't update the architecture for more IPC and performance in general. A simple solution would be to add more cores only on major releases.
It raises the CPU load somewhat however it raises the GPU load far more, that's why a lower end CPU will show vastly bigger differences at 720p than 1080p where the GPU tends to bottleneck games.

That would never work. Before they could make the console they have to get Developers to make the games. No Developers the console means nothing. Long life on console is mostly thanks to developers so that dont have to adapt to new hardware.
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post #98 of 150
Quote:
Originally Posted by __Pat__ View Post

Can I ask why on earth you have a TV that small at 10 feet away? Do you use binoculars to see from that far? xD
Bought the tv a couple of years before I bought the house. It just is what it is.
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post #99 of 150
Quote:
Originally Posted by __Pat__ View Post

Can I ask why on earth you have a TV that small at 10 feet away? Do you use binoculars to see from that far? xD
42" is not small -.-
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post #100 of 150
Quote:
Originally Posted by Clocknut View Post

Not quite so if u have a large screen TV >50 inch(which is quite affordable these days), u could easily see the difference between 720/1080 on those screens.

I can tell a difference for sure on my 32". I basically set up my PS4 on my PC workstation desk. I use the new Samsung UN32H6350 as a display. The PS4 looks fantastic on this screen even at 3-4ft which is the distance I game at sitting in my comfy office chair.
 
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