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  1. #151
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    If the PS4 has HUMA then why isn't Sony bragging about it? They are not under any legal constraints to not brag about features of their own console. After all..... what ever features it has, SONY paid for them. So why keep quiet on technology you paid AMD to create for your console?

    LOL at people saying MS told AMD to hush up. They can ask AMD to keep quiet about the technology in the Xbox One since they piad for it, but there is nothing they can do to stop AMD talking about HUMA in the PS4.


    Sony never clarified what the OS memory footprint is after the rumors out there a few weeks back and it appears they aren't clarifying about HUMA in the PS4 either.

    This whole thing just reeks of Cell Hype v2.0.... all in the name of pathetic e-peen bragging rights.

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    Quote Originally Posted by GreatSpaceKoaster View Post
    If the PS4 has HUMA then why isn't Sony bragging about it? They are not under any legal constraints to not brag about features of their own console. After all..... what ever features it has, SONY paid for them. So why keep quiet on technology you paid AMD to create for your console?

    LOL at people saying MS told AMD to hush up. They can ask AMD to keep quiet about the technology in the Xbox One since they piad for it, but there is nothing they can do to stop AMD talking about HUMA in the PS4.


    Sony never clarified what the OS memory footprint is after the rumors out there a few weeks back and it appears they aren't clarifying about HUMA in the PS4 either.

    This whole thing just reeks of Cell Hype v2.0.... all in the name of pathetic e-peen bragging rights.
    cuz the average consumer doesn't care about huma or memory footprints.
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    Its not like Sony or MS can put HUMA support on a box or at the end of a commercial and its going to shift units. Anything that makes developing easier or allows for better games I'm all in support for but in the end the games, services, and price will sell the consoles. Now if the games start showing the difference or we get apps or services from the power or tech differences than these consoles will start setting themselves apart and likely one will make strides in setting itself apart in sales. As of right now the games look good on both (I'm going to give MS the benefit of the doubt even though I'm not sure those rigs at E3 can be trusted to show us the actual finished products) and there is not a whole lot of differences in graphics or gameplay to be seen yet. Apps and services very slightly but neither has something that is a game changer or killer, and price is in Sony's favor. If the PS4 power advantages start to play out in games and services/features than that will just add to their price advantage...but as it stands now I don't see anything on MS side that would say our console is better in any way shape or form. There better be some sort of kinnect killer feature or app or something because LIVE isn't going to continue to carry the console forever....every day PSN gets closer and closer if not better in some things. The only thing that would leave MS with to keep their product on par is MONEY. They will have to throw their money around to buy exclusivity, games, or even studios in order to fight back with. They very well could go that route. They have a lot of money and if there were to be any significant differences in power and it was to shift customer support over to Sony...I no doubt believe they would make drastic changes/decisions to buy back consumers. Not saying thats a bad thing...just business....cut-throat or whatever we know MS will do whatever they have to be #1 in a market...and this is one they want to be #1 in. We kinda saw this with FIFA...and it isn't a bad thing...its marketing and Sony has every right to do it too if they choose but they don't have to because they are I believe the 3rd largest publisher in terms of studios and games so they can lean on their own developers (like with free Drive Club etc).

    HUMA or not (and I would not be surprised its legit the way it came out and was subsequently redacted) at this point there is enough known to confidently say the PS4 has a tech advantage and price advantage and *could* have graphical/gameplay advantages but even without that it would leave the PS4 as the go to choice for those looking for the best value. It would take something very very drastic from MS at this point for me to even get it on even footing....basically a $100 price drop at the minimum. Advantage Sony...no matter how you look at it.

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  6. #154
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    Quote Originally Posted by LeisureSuitLarry View Post
    cuz the average consumer doesn't care about huma or memory footprints.
    But the hardcores do....hence why Sony had Cerny out on a PR tour explaining to the gaming press detailed aspects of the PS4's architecture.

    If the average consumer doesn't care about these tech details, then Cerny wouldn't be doing the rounds to explain it for Sony. Their actions and your assertions contradict each other.

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    Its not like Sony or MS can put HUMA support on a box or at the end of a commercial and its going to shift units. Anything that makes developing easier or allows for better games I'm all in support for but in the end the games, services, and price will sell the consoles. Now if the games start showing the difference or we get apps or services from the power or tech differences than these consoles will start setting themselves apart and likely one will make strides in setting itself apart in sales. As of right now the games look good on both (I'm going to give MS the benefit of the doubt even though I'm not sure those rigs at E3 can be trusted to show us the actual finished products) and there is not a whole lot of differences in graphics or gameplay to be seen yet. Apps and services very slightly but neither has something that is a game changer or killer, and price is in Sony's favor. If the PS4 power advantages start to play out in games and services/features than that will just add to their price advantage...but as it stands now I don't see anything on MS side that would say our console is better in any way shape or form. There better be some sort of kinnect killer feature or app or something because LIVE isn't going to continue to carry the console forever....every day PSN gets closer and closer if not better in some things. The only thing that would leave MS with to keep their product on par is MONEY. They will have to throw their money around to buy exclusivity, games, or even studios in order to fight back with. They very well could go that route. They have a lot of money and if there were to be any significant differences in power and it was to shift customer support over to Sony...I no doubt believe they would make drastic changes/decisions to buy back consumers. Not saying thats a bad thing...just business....cut-throat or whatever we know MS will do whatever they have to be #1 in a market...and this is one they want to be #1 in. We kinda saw this with FIFA...and it isn't a bad thing...its marketing and Sony has every right to do it too if they choose but they don't have to because they are I believe the 3rd largest publisher in terms of studios and games so they can lean on their own developers (like with free Drive Club etc).

    HUMA or not (and I would not be surprised its legit the way it came out and was subsequently redacted) at this point there is enough known to confidently say the PS4 has a tech advantage and price advantage and *could* have graphical/gameplay advantages but even without that it would leave the PS4 as the go to choice for those looking for the best value. It would take something very very drastic from MS at this point for me to even get it on even footing....basically a $100 price drop at the minimum. Advantage Sony...no matter how you look at it.

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    Quote Originally Posted by GreatSpaceKoaster View Post
    But the hardcores do....hence why Sony had Cerny out on a PR tour explaining to the gaming press detailed aspects of the PS4's architecture.

    If the average consumer doesn't care about these tech details, then Cerny wouldn't be doing the rounds to explain it for Sony. Their actions and your assertions contradict each other.
    I consider myself a hardcore gamer and im just hearing of this I'm pretty sure though that other hardcore games check websites like this one to pick up on all the news they can get so Sony really doesn't have to advertise it.
    "I think all those developers who are saying, "We donít want to do a PS3 game," or "Itís really difficult to do it," should shut up and make their games. If you have time to complain about it, then you should be spending your time working on getting the most from the hardware."

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    MS Engineer Arch Panel

    we have to invest a lot in coherency throughout the chip, so there's been io coherency for a while but we really wanted to get the software out of the mode of managing caches and put in hardware coherency for the first time on the mass scale in the living room on the gpu.
    "We don't provide the 'easy to program for' console that (developers) want, because 'easy to program for' means that anybody will be able to take advantage of pretty much what the hardware can do, so then the question is, what do you do for the rest of the nine-and-a-half years?"
    --Kaz Hirai, CEO, Sony Computer Entertainment

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    Quote Originally Posted by hood View Post
    I consider myself a hardcore gamer and im just hearing of this I'm pretty sure though that other hardcore games check websites like this one to pick up on all the news they can get so Sony really doesn't have to advertise it.
    But they can CONFIRM it and so far they haven't. There was negative rumors about the PS4 OS memory footprint a couple weeks ago and Sony never clarified or debunked the rumor. They rushed to so call CLARIFY this rumor...which they never did clarify in the end. Why wouldn't they rush to confirm this. Makes no common sense.

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    Quote Originally Posted by GreatSpaceKoaster View Post
    But the hardcores do....hence why Sony had Cerny out on a PR tour explaining to the gaming press detailed aspects of the PS4's architecture.


    If the average consumer doesn't care about these tech details, then Cerny wouldn't be doing the rounds to explain it for Sony. Their actions and your assertions contradict each other.
    So your saying Sony had Cerny on a PR tour for the hardcore consumer while implying the opposite, on the same post? Contradiction much?


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    Quote Originally Posted by CaptainZ View Post
    This is not the single differentiator between side A and Side B.

    Architecture maybe very similar but you have a huge difference in Ram and GPU components. PS4 having huma will not change which has better spec.
    I understand that, I just love however one is focusing on this single element as a big deal when the grand picture is much more diverse and intresting.

    Octopiler for the win!


    Oh dear I forgotten all about that.

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    Quote Originally Posted by TwentyThree View Post
    So your saying Sony had Cerny on a PR tour for the hardcore consumer while implying the opposite, on the same post? Contradiction much?
    No... what I was saying is this. You can't have it both ways.

    You can't say on one hand that Sony isn't clarifying or bragging about HUMA or OS footprint size cuz joe average gamer doesn't care, but then somehow sending Cerny on a PR tour talking about the architecture, bandwidth and work arounds for the GDDR5 memory latency is for the hardcores.

    If Sony is only gonna clarify and brag about stuff only joe aveage cares about, then apparently talking about the architecture, bandwidth and work arounds for the GDDR5 memory latency are things joe average care about... otherwise why would have Sony sent Cerny on a PR tour to talk about it? They are only gonna talk about stuff joe average cares about....right?

    And if joe average apparently cares about architecture, bandwidth and work arounds for the GDDR5 memory latency..... then by that logic, certainly they care about HUMA and OS footprint size too!
    Last edited by GreatSpaceKoaster; 08-23-2013 at 03:58.

  14. #162
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    Quote Originally Posted by GreatSpaceKoaster View Post
    No... what I was saying is this. You can't have it both ways.

    You can't say on one hand that Sony isn't clarifying or bragging about HUMA or OS footprint size cuz joe average gamer doesn't care, but then somehow sending Cerny on a PR tour talking about the architecture, bandwidth and work arounds for the GDDR5 memory latency is for the hardcores.

    If Sony is only gonna clarify and brag about stuff only joe aveage cares about, then apparently talking about the architecture, bandwidth and work arounds for the GDDR5 memory latency are things joe average care about... otherwise why would have Sony sent Cerny on a PR tour to talk about it? They are only gonna talk about stuff joe average cares about....right?

    And if joe average apparently cares about architecture, bandwidth and work arounds for the GDDR5 memory latency..... then by that logic, certainly they care about HUMA and OS footprint size too!
    Was Sony bragging or was it AMD saying it?

    As far as I know it was the latter.

    #IndieStation4 and proud of it.

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    Quote Originally Posted by admartian View Post
    Was Sony bragging or was it AMD saying it?

    As far as I know it was the latter.
    So why isn't Sony running with it? Sony is under no NDA to not confirm positive news about HUMA on PS4. So why so quiet? They've blabbed and bragged about pretty much everything else! Makes no logical sense at all.

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    Quote Originally Posted by GreatSpaceKoaster View Post
    So why isn't Sony running with it? Sony is under no NDA to not confirm positive news about HUMA on PS4. So why so quiet? They've blabbed and bragged about pretty much everything else! Makes no logical sense at all.
    What are you even on about? Now you're criticising Sony for not bragging, yet having a go at them for bragging before this post?



    Didn't you say something about "can't have it both ways"?
    Last edited by Admartian; 08-23-2013 at 04:25.

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    Quote Originally Posted by GreatSpaceKoaster View Post
    So why isn't Sony running with it? Sony is under no NDA to not confirm positive news about HUMA on PS4. So why so quiet? They've blabbed and bragged about pretty much everything else! Makes no logical sense at all.
    Sony has been oddly quiet. This especially seems enough of a small tidbit that you'd think Cerny would clarify himself. AMD is being weird considering it IS their own tech. Unless everyone is ironing out some sort of kinks (what I couldn't begin to comprehend on Sony's part especially) or it actually isn't hUMA and some kind of custom implementation on account of both parties. But that doesn't make sense with what AMD did.


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    Quote Originally Posted by GreatSpaceKoaster View Post
    No... what I was saying is this. You can't have it both ways.

    You can't say on one hand that Sony isn't clarifying or bragging about HUMA or OS footprint size cuz joe average gamer doesn't care, but then somehow sending Cerny on a PR tour talking about the architecture, bandwidth and work arounds for the GDDR5 memory latency is for the hardcores.

    If Sony is only gonna clarify and brag about stuff only joe aveage cares about, then apparently talking about the architecture, bandwidth and work arounds for the GDDR5 memory latency are things joe average care about... otherwise why would have Sony sent Cerny on a PR tour to talk about it? They are only gonna talk about stuff joe average cares about....right?
    By your logic all PR is for the average Joe or casual gamers in this case.

    Maybe because GDDR5 was announced to be on the console the same day it was revealed and not something that spewed out of a AMD associates mouth. No one is making excuses for Sony, if they aren't talking about it maybe its because they never intended to, it's not their job to explain someone else's claims.
    And if joe average apparently cares about architecture, bandwidth and work arounds for the GDDR5 memory latency..... then by that logic, certainly they care about HUMA and OS footprint size too!
    I see what you did there, but as I've explain above. Realistically Sony isn't going to disclose every detail of the hardware or software at this stage nor is it their job to immediately clarify leaks, positive or negative ones.
    Last edited by TwentyThree; 08-23-2013 at 04:33.


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    It's good to have a confirmation, my guess is they don't want to comment on it because their other client (MS) looks even weaker compared to the PS4 once more.


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    Originally Posted by artist

    AMD employee:


    AMD


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    SONY:


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    Sony has been oddly quiet. This especially seems enough of a small tidbit that you'd think Cerny would clarify himself. AMD is being weird considering it IS their own tech. Unless everyone is ironing out some sort of kinks (what I couldn't begin to comprehend on Sony's part especially) or it actually isn't hUMA and some kind of custom implementation on account of both parties. But that doesn't make sense with what AMD did.


    Well hUMA is pretty much a marketing term by AMD. The concept can be implemented in many different ways and not use the hUMA name. So technically it can be both true and false at the same time.

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    Quote Originally Posted by GreatSpaceKoaster View Post
    So why isn't Sony running with it? Sony is under no NDA to not confirm positive news about HUMA on PS4. So why so quiet? They've blabbed and bragged about pretty much everything else! Makes no logical sense at all.
    Source?

    I would like to know, how do YOU know SONY (and MS) are not under NDA at AMD's request? What makes you think either MS or SONY are at liberty to talk specifics of AMD customizations? AMD is working on RIVAL consoles, I'm fairly certain there are disclosure restrictions towards both companies to keep architecture customization under wraps until both consoles are launched. Put your tinfoil hat on if you will but corporate espionnage does exist!

    Did Cerny ever go into COMPLETE details about architecture? I was always under the impression he kept some details from the press each time he used the term "highly customized" in regards to anything AMD related. I could be wrong, and if you believe I am, please do enlighten me with proper sources!!!


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  27. #172
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    Quote Originally Posted by snooper71 View Post
    Source?

    I would like to know, how do YOU know SONY (and MS) are not under NDA at AMD's request? What makes you think either MS or SONY are at liberty to talk specifics of AMD customizations? AMD is working on RIVAL consoles, I'm fairly certain there are disclosure restrictions towards both companies to keep architecture customization under wraps until both consoles are launched. Put your tinfoil hat on if you will but corporate espionnage does exist!

    Did Cerny ever go into COMPLETE details about architecture? I was always under the impression he kept some details from the press each time he used the term "highly customized" in regards to anything AMD related. I could be wrong, and if you believe I am, please do enlighten me with proper sources!!!
    Sony and Cerny have never went into detail about the PS4, all we have is glossed over stuff. Have they told us a lot, sure, but actually details, no never.


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    Quote Originally Posted by admartian View Post
    What are you even on about? Now you're criticising Sony for not bragging, yet having a go at them for bragging before this post?



    Didn't you say something about "can't have it both ways"?
    Quote me where I criticized Sony FOR bragging? I'm not having it both ways.


    Quote Originally Posted by TwentyThree View Post
    By your logic all PR is for the average Joe or casual gamers in this case.

    Maybe because GDDR5 was announced to be on the console the same day it was revealed and not something that spewed out of a AMD associates mouth. No one is making excuses for Sony, if they aren't talking about it maybe its because they never intended to, it's not their job to explain someone else's claims.

    I see what you did there, but as I've explain above. Realistically Sony isn't going to disclose every detail of the hardware or software at this stage nor is it their job to immediately clarify leaks, positive or negative ones.
    It's not their job to explain someone else's claims? Then why did Sony rush a press release on a Sunday, 2 days after the OS footprint rumor came out from SOMEONE ELSE'S CLAIMS other than Sony?

    I'm not asking you to make excuses for Sony. I'm asking the questions out loud because something doesn't smell right. You have AMD doing a retraction and Sony not confirming a technological advantage... or at least confirming a good feature of it's architecture. Since when has Sony been shy about pointing out an advantage over it's competitors? I could MAYBE understand AMD not wanting to ruffle Microsoft's feathers, but certainly Sony has no such concerns in announcing it themselves.

    That's the ONLY reason I question these HUMA claims. The PS4 could very well have it. But something smells odd about this.


    To snooper71......

    HUMA is no secret technology and saying a console has it a mere months before it's launched isn't exactly giving away the company secrets. If the Xbox One doesn't have it, doesn't mean it wasn't presented to them to be included if they wanted. It usually means Microsoft either didn't want to pony up the money for it to keep costs down or simply wanted to go in another direction architecture wise.

    I've never heard of a company that has announced an architecture innovation publicly.... only to tell a company like Microsoft or Sony not to tell the world that they are putting it in their products. Companies like AMD usually publicize things like that cuz it's good PR for the said innovation.

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    Quote Originally Posted by GreatSpaceKoaster View Post
    To snooper71......

    HUMA is no secret technology and saying a console has it a mere months before it's launched isn't exactly giving away the company secrets. If the Xbox One doesn't have it, doesn't mean it wasn't presented to them to be included if they wanted. It usually means Microsoft either didn't want to pony up the money for it to keep costs down or simply wanted to go in another direction architecture wise.

    I've never heard of a company that has announced an architecture innovation publicly.... only to tell a company like Microsoft or Sony not to tell the world that they are putting it in their products. Companies like AMD usually publicize things like that cuz it's good PR for the said innovation.
    1. I fully understand what you are arguing for, and I agree. Something does seem a little odd. I also would expect Sony to have mentioned something, or to have confirmed the statement.

    2. However, just because it's what we would expect doesn't mean that is what's going to happen. Snooper makes a valid point that is possible. The business dealings behind the hUMA architecture could be more delicate than we expect. Especially if it's been modified by request/ in service to MS and Sony. While it could be a PR stunt, there could be conditions that actually require or strongly encourage Sony and MS to not say anything about this matter. All they are saying is that it's possible that there are reasons beyond just "The AMD employee's statement is false" (that's not an attempt to quote anyone, just a frame of mind/certain opinion).

    I'm no business master, and I'm no computer architecture master. I understand only enough that when someone goes in depth on the matters, I can keep up with 80-90% of it, in theory. But business is a tricky beast and there are many odd knots and loop holes to be found.

    As far as I see it, everyone has argued their points well. Both view points are just as valid as the other. Until this is officially debunked by straight up specs being shown, or confirmed in much the same way, there's no real way of settling the debate.

    (Disclaimer: This is not a dig or criticism of anyone. I respect both sides and have enjoyed reading your opinions. I apologize if any of this came across as offensive in any way - I'm just about to doze off but decided to post here before doing so)
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    PS4 will use its unified architecture to pound Xbox One into the dust – eventually



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    News from the European gaming convention Gamescom implies another PR win for Sony. According to AMD’s senior product marketing manager, Marc Diana, the PS4 is the only console that will support the company’s next-generation heterogeneous unified memory architecture (hUMA). When AMD announced hUMA earlier this year, it emphasized that it views the technology as essential to the future of high performance computing — and now it seems that the capability will debut on just one console.
    This difference in capability is being touted as one reason why the PS4 is reportedly seen as far ahead of the Xbox One in terms of its raw performance. German IT magazine C’t, which spoke with Diana, also states that numerous developers believe the PS4 is far ahead of the Xbox One on raw compute power. That’s particularly interesting given John Carmack’s comments on this topic a few weeks back. During his three-hour dissertation on the universe of gaming, Carmack talked about the gap (or lack thereof) between the consoles, saying: “It’s interesting — it’s almost amazing — how close they are in capabilities, how common they are, and how the capabilities they give are essentially the same… the bottom line being that they’re both multicore processor with AMD graphics.”
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    It’s actually the very first topic he touched on in his speech, and in doing so he seems to throw cold water on the idea that the PS4 is going to be the breakout winner come November. Granted, John Carmack is not the God of gaming — but he’s at least a major power. How do we square these seemingly contradictory statements? By taking a closer look at what hUMA and HSA can and can’t do — and putting a bit of context around Carmack’s remarks.
    HSA’s uncertain ramp-up – and long-term promise

    The first thing to understand about hUMA/HSA is that adapting these technologies to any use-case is non-trivial. The end goal of allowing CPU and GPU to share main memory pointers and data directly sounds simple. AMD’s HSA whitepaper makes it clear that making that happen is anything but. The platform is designed to support multiple languages, all of which are translated into HSAIL (HSA Intermediate Language) for code that runs on the GPU. The CPU side of the equation remains in native code. There’s a specific block of hardware that’s used to manage the unified memory, dubbed the HMMU, and shown below.
    Here’s the really important bit. AMD’s description of HSAIL emphasizes that HSAIL is “focused purely on compute and does not expose graphics-specific instructions.” In other words, most of the publicly available data on expected HSA implementations doesn’t apply to gaming in particular. Nevertheless, the whitepaper makes it clear that in order to function effectively, moving data and workloads between CPU and GPU has to be an efficient, low-latency operation. The CPU and GPU need to be able to schedule jobs for the other to complete, which means you need a task scheduler that’s capable of understanding how to prioritize a job for the GPU vs. the CPU.

    This kind of optimization work is non-trivial. A non-HSA program won’t take inherent advantage of HSA or hUMA — it’ll have to be optimized for the task. Most of the papers reporting benefits of HSA optimization have been focused on workstation applications or tools like Mathematica, where the ability to leverage the GPU more efficiently is seen as a huge potential boost for its compute aspects, not its gaming focus.
    There’s one other thing to keep in mind when it comes to considering the benefits of HSA for gaming. Ever since the dawn of 3D acceleration, gaming has been a combined effort between the CPU and GPU. Game developers have a great deal of experience when it comes to minimizing latency and the impact of CPU-GPU data sharing on conventional architectures, which means taking advantage of HSA to deliver improvements on the standard way of doing things is going to take time.
    With multiple studios rushing to finish games, it’s unlikely that HSA/hUMA will serve as the distinguishing technological features on display come launch day. Instead, I suspect that the early titles will rely on the PS4′s higher-end GPU for any attempt to one-up the Xbox One. That’s more likely to be true for the studios working on bringing up game versions for each console; studios that have committed to exclusives may have more time to spend on the topic. Sony is likely betting on HSA/hUMA in much the same way that Microsoft is betting on cloud offloading — as a long-term differentiation mechanism that could offer gamers unique benefits that the other console can’t duplicate.
    But back to Carmack’s comments: Is the PS4 more powerful than the Xbox One or not?
    Next page: Console convergence


    Console convergence

    Carmack’s comments on similarity make a great deal more sense if we consider how consoles have evolved in the past 20 years. In the PS1/N64 era, Sony and Nintendo pursued opposite storage capabilities and built consoles with very different strengths. The PS2 implemented a hybridized version of the MIPS III/IV architecture with a lot of custom work, the GameCube was based on a PowerPC processor, and the original Xbox was an x86 chip. Disc-based games were one of the few common components of the three consoles.
    Last generation, the Xbox 360 and PS3 were both derived from a common CPU heritage (the Xbox 360 used three of Cell’s Power Processor Elements, or PPEs), but had very different GPUs, different requirements for local storage, different storage mediums (dual-layer DVD vs. Blu-ray), and different amounts of RAM available to the CPU. The PS3 implements two blocks of 256MB of RAM for the CPU and GPU individually, while the Xbox 360 dynamically allocates memory.
    Compared to the consoles that have come before them, the PS4 and Xbox One are far more alike than different. They both rely on AMD processors and GCN (Graphics Core Next)-based GPUs. They both use Blu-ray, they both have similar video decode capabilities, operate at similar clock speeds, and use the same underlying CPU instruction set. Both are far closer to being conventional PCs than any console has ever been, which means programming tools and developer software should be far easier to leverage. At a low level, the Xbox One and PS4 are more alike than any two consoles have ever been, and I suspect that fundamental similarity is what drove Carmack’s comments on their relative position.
    Even granting that Microsoft has been incredibly sensitive to the consumer response on the Xbox One, a fundamental hardware change at this late date would be truly unprecedented. That means the PS4 is going to ship with more raw power under the hood. Whether that translates into a meaningful game benefit that also translates into higher sales is anyone’s guess; Microsoft has its own vision for the Xbox One and customers don’t always prefer the system that’s capable of pounding out the highest-quality graphics. Still, Sony has done a better job positioning itself for the upcoming generation by keeping the conversation focused on gaming, while Microsoft has been stuck cleaning up an enormous mess. As we head into the home stretch, it’s hard to argue that the PS4 isn’t leading the race.
    Update (8/22/2013)
    AMD’s corporate vice-president of marketing, John Taylor, has since contacted us regarding the comments Marc Diana made to C’t. AMD’s official response is as follows: ”During a recent Gamescom 2013 interview, an AMD spokesperson made inaccurate statements regarding the details of our semi-custom APU architectures. AMD will not comment on the Microsoft Xbox One and Sony PS4 memory architectures and will not speak for Microsoft, Sony or other AMD customers.”
    Our follow-up discussion with Taylor indicates that Diana’s comments were either misunderstood or mistaken to some degree, but AMD cannot contractually make disclosures on Sony or Microsoft products.
    After further review of available evidence, as suggested by some readers, I think it’s clear that the PS4 has some degree of HSA-like functionality. It may or may not implement HSA in all the particulars as defined by AMD, but many of the specific capabilities that HSA allows have been confirmed as present on the PS4. The degree to which the PS4 will leverage these capacities for gaming is still unknown, but I continue to believe it will take awhile for such capabilities to emerge.
    As others have pointed out, it’s possible that the Xbox One contains certain hUMA/HSA capabilities. This remains uncertain. HSA is more than a model for ensuring cache coherency or I/O coherency between CPU and GPU. Microsoft has yet to clarify which HSA capabilities the Xbox One does and does not implement in particular.

    http://www.extremetech.com/gaming/16...ust-eventually


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