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  1. Replies
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    OK, I guess.... (although the expression on my...

    OK, I guess.... (although the expression on my face is saying "sure, but aliens could have drilled a teeny tiny hole in the APU lid and sucked out all the graphics life force too").

    That said,...
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    Sounds like a defect, not a variant.

    Sounds like a defect, not a variant.
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    It's probably fair to say this is generally true...

    It's probably fair to say this is generally true for publicly traded companies (at least that's what management tends to get measured & rewarded on), but not so true for companies run by founders....
  4. The userspace drivers will be largely common...

    The userspace drivers will be largely common whether you're using the radeon or amdgpu kernel drivers, so I don't think there will be much difference. That said, there are already code differences...
  5. I doubt there will be any "recognize something...

    I doubt there will be any "recognize something this game does and do something special" code, but there's still a lot of room for "find out what operations are making game X runs slowly and make...
  6. Have to gently disagree here. The limiting factor...

    Have to gently disagree here. The limiting factor tends to be shader throughput not fillrate, and it's only quite recently that the open source drivers have been able to push geometry info into the...
  7. Yes, but (a) I was responding to sascha's comment...

    Yes, but (a) I was responding to sascha's comment that "R9 285 is the only supported GPU right now" (which is not true) and (b) R9 285 is not supported today.
  8. One more time... There are two different...

    One more time...

    There are two different drivers being confused here, amdkfd (the HSA kernel driver) and amdgpu (the new graphics kernel driver).

    The amdkfd (HSA) driver currently supports...
  9. I think he means "would be still below OpenGL...

    I think he means "would be still below OpenGL 2.1", not "is below OpenGL 2.1"...
  10. IIRC the usual convention is for kernel code to...

    IIRC the usual convention is for kernel code to be pushed first (in this case that would be the new AMDGPU kernel driver) followed by userspace code.
  11. It's more of a feature hit than a performance...

    It's more of a feature hit than a performance hit. Without an IOMMUv2 block you lose the ability to have the GPU transparently use pageable system memory, so the code using the HSA runtime will need...
  12. tmpdir please ignore this part, I misread your...

    tmpdir please ignore this part, I misread your email and then the CENSORED 5 minute edit limit got me...
  13. HSA support starts with Kaveri. The quoted text...

    HSA support starts with Kaveri. The quoted text came from the commit message at the lwn link that log0 provided (which I wrote and Oded added to the front of the patch series).

    Is there any chance...
  14. Excellent -- it's nice to see that someone...

    Excellent -- it's nice to see that someone actually reads that stuff :)

    A bit more background -- both the runtime (released yesterday) and the kernel driver are meant to serve both as initial...
  15. There might be a bit of confusion here between...

    There might be a bit of confusion here between the new kernel graphics driver (amdgpu) and the almost-as-new kernel HSA driver (amdkfd). The amdkfd driver will work with both the radeon and amdgpu...
  16. This is primarily for Kaveri.

    This is primarily for Kaveri.
  17. Which features do you think are missing on...

    Which features do you think are missing on radeonSI relative to r600 ?

    AFAIK the key for Hawaii is to have very latest SW since there have been a lot of improvements recently.
  18. Have to disagree with this. Depending on who you...

    Have to disagree with this. Depending on who you ask at AMD you'll either be told core = CU or core = SIMD (I lean towards SIMD myself). A full Tahiti chip (HD 7970 / R9 280X) has 32 CUs, and each CU...
  19. Heaven, Sanctuary, Warsow and Furmark. The rest...

    Heaven, Sanctuary, Warsow and Furmark. The rest appear to be either totally or partially CPU-limited.

    You can see Xonotic moving from totally CPU-limited to partially CPU-limited as the effects...
  20. ??? The 290 seems ~40% faster than the next...

    ???

    The 290 seems ~40% faster than the next fastest card (7950) on all the non-CPU-limited tests, which is what you should expect from the HW complement. What am I missing ?
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