Intel Gen 11 Graphics Architecture

Discussion in 'Architecture and Products' started by Dayman1225, Dec 12, 2018.

  1. Dayman1225

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    Features:
    • >1 Teraflop Integrated graphics
    • Tile Based Rendering
    • 'Improved' Memory Subsystem
    • Support for Coarse Pixel Shading
    • Redesigned FPU
    • 2xFP16
    • 'Improved' Efficiency
    • Parallel Decoders
    • Ground up HEVC encoder design
    • HDR Tone Mapping
    • HDR Support
    • Adaptive Sync Support
    • 2 Pixels/Clock Pipeline
    AnandTech article
     
  2. del42sa

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    seems like Vega :)
     
  3. DmitryKo

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    With 1/3th the performance of the Radeon Pro Vega 20 and 1/12th (8%) of the Radeon RX Vega 64.
     
    #3 DmitryKo, Dec 14, 2018
    Last edited: Dec 14, 2018
  4. mczak

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    The number against Radeon Pro Vega 20 is wrong (should be 1/3).
    But yes it obviously doesn't compete with that - however on paper it pretty much corresponds to a Vega 8 (with same tflops / clock) (whereas the current GT2 is close to Vega 3 there). Now of course if in practice it will perform similar remains to be seen (the current GT2 isn't too far off from Vega 3, though Gen11 will need improvements in bandwidth efficiency if it wants to keep up against Vega 8 - and of course AMD should have something newer out by then).
     
  5. DmitryKo

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    Acknowledged.

    No doubt Teraflop-scale processing power is a milestone for Intel, but that's been available on low-end AMD Radeon Rx x50/x60 discrete graphics from 5+ years ago - which also have 100 GByte/s dedicated GDDR5 memory.
     
  6. Dayman1225

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    Intel has broke the teraflop barrier before with their GT4e configuration on Gen9, which had the benefit of eDRAM, never in their much more common GT2 configuration with no eDRAM however which is why its significant for Intel.
     
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  7. Dayman1225

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    Interesting tidbit from the Tech Report:

    So a Gen 11 EU would be 75% of the size of a Gen 9 EU on the same process node.
     
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  8. mczak

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    Intel's IGP never really were area-efficient compared to the competition as far as I can tell, so it's not surprising to see improvement there. And I bet they improved power-efficiency, which was subpar too, along with it (that is, power efficiency with 3d load - power management seemed great, as well as efficiency of video decode and display blocks).
    I am curious though if these improvements were really first realized with Gen 11, or not already Gen 10 (could of course be partly Gen 10, partly Gen 11). But of course nowadays intel won't even acknowledge Gen 10 exists, even though yesterdays tune was that the chips which actually have Gen 10 graphics are in great shape and shipping in volume since a year :).
    Although it's quite possible Gen 11 is the bigger improvement than Gen 10 would have been (after all the GT2 GPU on Cannonlake increased EUs only to 40).
     
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  9. Dayman1225

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  10. jlippo

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    Any and all improvements are welcome, there is huge amounts of users working with integrated GPUs.
    Really hope that in future they will bring lessons learned from discrete graphics to integrated.
     
  11. pharma

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    Intel Buys Indian Startup To Gain Discrete GPU Tech Expertise

    https://www.guru3d.com/news-story/intel-buys-indian-startup-to-gain-discrete-gpu-tech-expertise.html
     
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  12. digitalwanderer

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    I read the title of the thread as, "Intel Gen 11 Graphics Adventure", and thought to myself, "Yeah, that's about the size of it!"

    I have a feeling this ain't gonna be no Larabee. :)
     
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  13. Dayman1225

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    Agenda for Gen11 presentation at GDC in March 20th:
    • Graphics Pipeline
    • Memory Hierarchy
    • Tiled Based Rendering
    • Coarse Pixel Shading (also being demoed in Intel booth over GDC)


    Also apparently the internal folk are “uncomfortable” with the dry run of the presentation internally :D here’s hoping for lots of details

     
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  14. Dayman1225

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  16. Entropy

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    Makes sense for them.
     
  17. silikone

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    So is this the first tangible improvement since Skylake? What happened to Gen 10? It's about time that we see a ubiquitous integrated chip completely surpass the ancient G80 on paper.
     
  18. Bondrewd

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    Being the first new core since Skylake, yes.
    Cannonlake yields were funny.
     
  19. mczak

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    The wording here is a bit imprecise, if you mention core and skylake that sounds like cpu core.
    The gpu generation is not necessarily tied to the cpu generation - it just so happens that indeed neither the cpu nor gpu parts really differ since skylake.
    The really funny thing is, the driver is ready for ages (I'm talking about the open source mesa driver, but I bet it's the same for the windows one), and it is apparently running in the lab just fine. So gen 10 is very real, but will not appear in the market (the atoms are skipping gen 10 too, but that might be coincidence). And because of that, intel never mentions gen 10 when comparing gen 11 to previous solutions.
     
  20. Dayman1225

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    Intel has announced Integer scaling support on Gen11 hardware shipping later this year due to request/feedback from their fans/customers. It is will be exposed in a driver update at the end of August and will be accessible from their Command Center

     
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