Digital Foundry Article Technical Discussion Archive [2015]

Discussion in 'Console Technology' started by DSoup, Jan 2, 2015.

Thread Status:
Not open for further replies.
  1. DSoup

    DSoup meh
    Legend Veteran Subscriber

    Joined:
    Nov 23, 2007
    Messages:
    10,978
    Likes Received:
    5,799
    Location:
    London, UK
  2. zupallinere

    Regular

    Joined:
    Sep 8, 2006
    Messages:
    664
    Likes Received:
    19
    Making the Cloud a requirement would also make a console's future a bit more at risk to DDOS and other more hackerish obstacles. I agree that there is a future for a cloud based game solution that takes advantage of a server's abilities but as we have recently seen you might need a new 'Internet" to go along with it. It is one thing to have authentication services pushed around a network in response to say a DDOS but it will be another problem entirely when every frame of a game may be impacted by some more fine grained tomfoolery by hackers. I would assume all data between a gaming console client and it's host server will be encrypted ( adding some performance issues at say 60fps maybe ) so some basic filtering can be done along with a secure connection but having very time dependent data open to some extent to the whims of an open internet environment may prove more problematic that at first blush.

    Streaming gaming services would also be affected but steaming is a known issue. Having various "intimate" parts of a game ( where and when polygons are placed in a scene as a fer instance ) could have some unforeseen pitfalls.
     
  3. DavidGraham

    Veteran

    Joined:
    Dec 22, 2009
    Messages:
    2,788
    Likes Received:
    2,592
    Interesting is the fact that the good utilization of PS3's cell yields results that rival those of PS4's and XO's CPUs.
     
  4. zupallinere

    Regular

    Joined:
    Sep 8, 2006
    Messages:
    664
    Likes Received:
    19
    Glad to see MS is continuing to section off the performance bleeding aspects of the Kinect. Wonder if someone has pulled together the data to say how much die space was ultimately set aside for the kinect ? Not saying that at the time it was the WRONG thing to do but it is kind of fascinating to see how design choices were adjusted based on the potential windfall of 'winning' the living room with the all encompassing ONE strategy. The fraction given to kinect is of course just that ... fractions at this point although the 'what-ifs' do start whirling around. At the end the PS4 async compute bet may not pan out either or HSA in general for both consoles, although I personally prefer that kind of bet rather than a multifaceted marketing one.
     
  5. zupallinere

    Regular

    Joined:
    Sep 8, 2006
    Messages:
    664
    Likes Received:
    19
    Wasn't 2015 supposed to be the year that the full power of the Cell would be unleashed so we may not fully be aware until later this year :lol: 3.2 ghz and an efficient way to connect multiple processing cores is still a very nice thing to have even if your tech isn't the newest thing in the world. I don't know if we will ever see such a crazy beast again but I am glad we did.
     
  6. zed

    zed
    Veteran

    Joined:
    Dec 16, 2005
    Messages:
    4,443
    Likes Received:
    631
    [​IMG]
    I know what you mean, cell was a beast, way in advance of its time
     
  7. sebbbi

    Veteran

    Joined:
    Nov 14, 2007
    Messages:
    2,924
    Likes Received:
    5,288
    Location:
    Helsinki, Finland
    Cell (7 SPEs + one PPE) at 3.2 GHz actually has twice the theoretical peak FLOPS of a 8 core 1.6 GHz Jaguar. I am suprised that it doesn't beat the Jaguar in this particular scenario since cloth simulation (heavy linear vector crunching) is a pretty much a perfect use case for SPUs. This result also points out the fact that Cell loses very badly in everything more complex (branches, memory pointer chasing). 600 cycle memory latency and no branch prediction makes complex things hard. Jaguar on the other hand has nice vector units with super low latency, allowing you to mix vector math with other code easily. Jaguar can be easily beat Cell by 5x or more in more complex code.
     
    rekator, pjbliverpool, mosen and 3 others like this.
  8. onQ

    onQ
    Veteran

    Joined:
    Mar 4, 2010
    Messages:
    1,540
    Likes Received:
    55

    I was under the impression that voice recognition was being handled by the audio processor of the Xbox One. If a CPU core is being freed up by not using in game voice recognition does that mean voice recognition isn't a feature of Xbox One's audio processor? Or is just that CPU processing is still needed even when a audio processor is doing voice recognition?

     
  9. AlBran

    AlBran Ferro-Fibrous
    Moderator Legend

    Joined:
    Feb 29, 2004
    Messages:
    20,726
    Likes Received:
    5,819
    Location:
    ಠ_ಠ
    Needs to get its tasks from somewhere.
     
  10. Scott_Arm

    Legend

    Joined:
    Jun 16, 2004
    Messages:
    13,277
    Likes Received:
    3,726
    They're not freeing up a core by disabling voice commands. They're freeing up half to 80 percent of a core by disabling NUI, which is the skeletal tracking, IR feed, depth feed, custom voice commands. Those are all now opt-out features with some restrictions, like not being allowed to disable them on menu screens.
     
    #10 Scott_Arm, Jan 2, 2015
    Last edited: Jan 2, 2015
  11. onQ

    onQ
    Veteran

    Joined:
    Mar 4, 2010
    Messages:
    1,540
    Likes Received:
    55
    I didn't say anything about Voice Chat.
     
  12. Scott_Arm

    Legend

    Joined:
    Jun 16, 2004
    Messages:
    13,277
    Likes Received:
    3,726
    Typo. I meant voice commands.
     
  13. DSoup

    DSoup meh
    Legend Veteran Subscriber

    Joined:
    Nov 23, 2007
    Messages:
    10,978
    Likes Received:
    5,799
    Location:
    London, UK
  14. Scott_Arm

    Legend

    Joined:
    Jun 16, 2004
    Messages:
    13,277
    Likes Received:
    3,726
    So DFs findings are a game 9-12 months from release has framerate and resolution issues. Absolutely nothing else of substance in that article. That info might be a little more interesting if it were 3 months from release.
     
  15. AlBran

    AlBran Ferro-Fibrous
    Moderator Legend

    Joined:
    Feb 29, 2004
    Messages:
    20,726
    Likes Received:
    5,819
    Location:
    ಠ_ಠ
    Well, you hope 343i is aware of the framerate hiccoughs at least, and perhaps the animation issue in that pre-battle sprint thing.
     
  16. Laa-Yosh

    Laa-Yosh I can has custom title?
    Legend Subscriber

    Joined:
    Feb 12, 2002
    Messages:
    9,568
    Likes Received:
    1,452
    Location:
    Budapest, Hungary
    Well, my previous expectations, considering the limited jump in hw power and the additional resource requirements of 720p+ resolution and double framerate, were that 343 is probably mostly going to just scale up the core of the H4 engine; removing limitations like disappearing shadows and corpses and such and scaling up geometry and texture detail.

    The actual demo suggests more advanced lighting, more advanced materials, more complex post processing (which includes SSAO) and some small extras. So far so good, IMHO.

    The really interesting question is of course that old rumor about making the game more open-world like. That would require some really serious engine architecture work, but it'd probably not effect the renderer features that much and thus it wouldn't be visible in multiplayer maps...
     
  17. AlBran

    AlBran Ferro-Fibrous
    Moderator Legend

    Joined:
    Feb 29, 2004
    Messages:
    20,726
    Likes Received:
    5,819
    Location:
    ಠ_ಠ
    The AO looks rather like HBAO from what I can tell.
     
  18. Laa-Yosh

    Laa-Yosh I can has custom title?
    Legend Subscriber

    Joined:
    Feb 12, 2002
    Messages:
    9,568
    Likes Received:
    1,452
    Location:
    Budapest, Hungary
    I still consider AO to be the work of the... well, the devil, for anything better, so I don't care how it's implemented, it's still wrong :)
     
    AlBran likes this.
  19. Shifty Geezer

    Shifty Geezer uber-Troll!
    Moderator Legend

    Joined:
    Dec 7, 2004
    Messages:
    40,734
    Likes Received:
    11,208
    Location:
    Under my bridge
    It's much better than no occlusion modelling at all though.
     
  20. Laa-Yosh

    Laa-Yosh I can has custom title?
    Legend Subscriber

    Joined:
    Feb 12, 2002
    Messages:
    9,568
    Likes Received:
    1,452
    Location:
    Budapest, Hungary
    Technically there's no such thing as 'occlusion' and your lighting should handle this stuff on its own ;)
    But I do understand the need for hacks and approximations, I just don't bother learning more about them - eventually they'll be able to do it right... right? :)
     
Loading...
Thread Status:
Not open for further replies.

Share This Page

  • About Us

    Beyond3D has been around for over a decade and prides itself on being the best place on the web for in-depth, technically-driven discussion and analysis of 3D graphics hardware. If you love pixels and transistors, you've come to the right place!

    Beyond3D is proudly published by GPU Tools Ltd.
Loading...