Playstation 5 [PS5] [Release Holiday 2020]

Discussion in 'Console Technology' started by BRiT, Mar 17, 2020.

  1. Pete

    Pete Moderate Nuisance
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    I thought this was a feature that Sony talked about: shortcuts that launched you into a specific part of a game, skipping intro movies and the game menu.

    Yup, from the Wired interview:
     
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  2. dobwal

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    None. Whether you need 80 MB or 2 GB, you want to maximize the bus to mimimize the time that the SDD needs to access RAM.
     
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  3. Barrabas

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    Regarding the PS5 ability to read data from the SSD directly to the GPU memory. What does this mean for the discussions for the impact on main memory BW?
     
  4. London Geezer

    London Geezer Shifty's daddy
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    Isn’t there just one pool of RAM?
     
  5. DSoup

    DSoup meh
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    Yes, and there is no suggest that it's dual-ported. Although given Sony designed so much of the controller, that's not out of the question but you would have expected Mark Cerny to have mentioned if that was the case. Given their coherency scrubbers, dual-ported access would have made a lot of sense - at a cost.
     
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  6. Barrabas

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  7. zupallinere

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    That has to do with reducing the overhead normally associated with accessing storage like an HD or a SSD. That does help with latency and speed but not bandwidth specifically. It does help a little since the faster you can get your use out of the bus the faster something else get it.

    edited for minor embarrassments.
     
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  8. anexanhume

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    Most interesting patent I’ve seen out of Sony in a while.

    SCALABLE GAME CONSOLE CPU/GPU DESIGN FOR HOME CONSOLE AND CLOUD GAMING

    http://www.freepatentsonline.com/y2020/0242723.html

     
    #3208 anexanhume, Jul 30, 2020
    Last edited: Jul 30, 2020
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  9. mpg1

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    Isn't that like a "chiplet" design....but for the whole chip?
     
  10. HBRU

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    Ps5pro with a chiplet design is coming at 5 nm ?!?!?... ;)
     
  11. ToTTenTranz

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    Sounds like the depiction of two SoCs doing alternate frame rendering (AFR) or split frame rendering (SFR).
    AFR could probably suck less if both SoCs have access to the same memory pool, though two SoCs on the same memory pool would need to dramatically increase overall bandwidth.

    Regardless, the idea of a 2xSoC PS5 Pro is really interesting. The patent itself mentioning the economics of big monolithic dies goes in line with AMD's current approach for CPUs and could indicate why Sony chose to go with a narrow GPU this time.

    But looking at the alternatives it seems there's a chance that each SoC could have its own memory pool. On a 2x PS5 SoCs that would mean.. 32GB of GDDR6? Or maybe the slave SoC could disable some memory channels assuming they're not running an O.S.

    I'd guess this is not an alternative for the current 7nm PS5 SoC considering how big the console is, but I could see a PS5 2023 lineup with a single-SoC PS5 plus a dual-SoC PS5 Pro, both using the same SoC made on 3nm (or a half-node post-5nm?).
    Of course, they'd probably also need to implement a very wide and very fast IF bus for inter-SoC communication, but AMD has been doing that on their CPU chiplets for a while.
     
  12. Karamazov

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    and linking two PS5 ? what kind of port would it need to reach enough speed ?
     
  13. JPT

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    RS-232 should suffice, with good enough compression..... ;)
     
  14. Megadrive1988

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    So PS5 generation would be starting with a base 10.28 TFLOPs and 8/16 Zen 2 cores at upto 3.5 GHz (but lower GPU TFLOPs at the same time, probably). Still, PS5 is far more powerful than Microsoft's Lockhart / Series S base, and more powerful than many masses of low-end gaming PCs. PS5 Pro / PS5 Cloud could offer multi SoC support for games and more RAM/higher memory bandwidth / HBM2e ./ HBM3 etc.

    It's more promising than the GSCube was in the PS2 generation

    It's more promising than where CELL ended up during the middle and late part of the PS3 gen, nowhere, a dead end.
     
  15. mrcorbo

    mrcorbo Foo Fighter
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    Terrible idea. The high-end console will clearly be held back by the "light" console. /s
     
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  16. Globalisateur

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    Dynamic clocks + dynamic voltage to reduce power consumption based on registers usage. PS5 Pro ? PS5 for cloud ?
    (Cloud ?) users will be able to have higher clocks if they pay more. You can't invent that stuff. Pay to overclock.:runaway:
     
  17. Barrabas

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    Hmm, is there still hope for a high end PS5....I'm in day one:yes:, I can just remove one wardrobe to make it fit in my gaming room....
     
  18. Megadrive1988

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    I'm guessing a PS5 Pro in 2023 would get Zen 4 based CPU and RDNA 4 based GPU.,
    8 cores/16 threads, much higher clocks (4.5 GHz systaubed)
    GPU 72 RDNA CUs, split over 2 Chiplets 2.5 GHz sustained clocks. 24 GB HBM3 at ~1.5 TB/sec give or take (using 2048-bit bus for ease of manufacturing)
     
  19. itsmydamnation

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    practically speaking sfp28 or qsfp 28 DAC would be the obvious choice. thats 25/100 Gbps in a very cost effective solution. if that isn't enough PAM encoding can be used to get to 50/200gbps. 400Gbps ethernet uses QSFP-DD which is PAM with more active pins. But the question is how will it work as a cluster using some sort of RDMA, some soft of master, slave etc?
     
  20. jayco

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    New post with compression benchmarks
    http://cbloomrants.blogspot.com/2020/07/performance-of-various-compressors-on.html


    TLDR

    https://www.resetera.com/threads/playstation-5-pre-release-technical-discussion-ot.231757/post-41229783


     
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