Recent content by cherullo

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    Question 9070 XT - 2x HDMI high refresh displays (144 and 120 Hz) not working

    Whenever I have display connection problems, I start disabling VRR and reducing the color depth to 8 bits, and then trying to set the desired refresh rate. Open Adrenaline, click the cog on the top right, then click Display, and then choose the C2 display in the dropdown. On a side note, make...
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    Who got a 7900XTX or 7900XT?

    Late last year I set out to purchase a GPU with a clear use case in mind: to use a multiseat software to run two instances of Palworld at 1080p@60 native. Multiseat uses less VRAM than virtualization since OS stuff is allocated only once (and is easier to setup), but game assets still get...
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    Poll: Do you care about ray tracing / upscaling?

    Very interesting video showing how TAA algorithms are garbage. Worse yet, other rendering algorithms are starting to rely on TAA to work properly, practically making it a requirement. Fake pixels win. Well played, nVidia.
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    Discussion Zen 5 Architecture & Technical discussion

    As far as I understand, entries in the uop-cache contain up to N consecutive instructions starting from a given address, but it may contain less instructions if: - An instruction crosses a cacheline, or; - There is a branch in the instruction stream, or; - The current entry doesn't have enough...
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    Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)

    There is the Google Coral TPU: https://coral.ai/products/ Doesn't match the performance, but it's quite efficient and comes in many form factors. Too bad it's probably abandoned.
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    News Intel GPUs - Falcon Shores cancelled

    The Draw/Execute Indirect speed-up for BattleMage is another one of these cases. For those who don't know, Draw/Execute Indirect is a mechanism which allows a draw command or compute shader to be dispatched based on the results of a previous shader. For example, you may have a large list of...
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    Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)

    These patents are from late 2020. Too soon?
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    Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)

    A few months back, an AMD patent about a op-cache that could spill it's contents into the L1I made the rounds in the forums: Method and apparatus for virtualizing the micro-op cache - https://patents.justia.com/patent/11586441 There is a "pre-decode cache" which stores whether a cache line...
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    Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)

    Yeah, the LP cores do need to perform proper computations to actually prevent the HP cores from powering up. Since it's transparent to the OS, it can support any mix of instructions, regardless of extension. For example, it would be nice to have memory and string instructions from AVX512, even...
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    Discussion RDNA4 + CDNA3 Architectures Thread

    Yes, ray-box intersection is much cheaper than ray-triangle intersection. Regardless of the specific implementation, the ray-box intersection only has to detect whether there is an intersection and the hitpoint's distance from the ray's origin. On the other hand, the triangle-ray intersection...
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    AMD Software : Adrenalin Edition 24.4.1 [23.40.31.05 ] - 25/4/24

    Yeah, I had seen this video and expected at least a little bit more performance. Maybe I should've tested at 1080p? Anyway, the drivers seem solid so far.
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    AMD Software : Adrenalin Edition 24.4.1 [23.40.31.05 ] - 25/4/24

    Installed these on my Radeon 5700 and saw no performance improvement on HellDivers 2 running at 1440p :(
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    Discussion Should MLID be considered a legitimate source

    https://wccftech.com/sony-takes-down-ps5-pro-video/ Sony took down MLID's PS5 Pro video, the one disclosing Spectral Super Resolution. It's not the first time that he posts about Sony or Playstation. I wonder why this one was specifically targeted....
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    Question Intel ARC A770 Performance and idle power draw after Feb. 2023 driver update

    Resolution and frequency do affect power consumption. The difference is that the onboard graphics uses the CPU's memory. So when you increase the resolution/frequency, the grunt of the added power consumption goes to the CPU I/O, not the UHD graphics. Meanwhile, when you use the discrete...
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    Discussion RDNA4 + CDNA3 Architectures Thread

    They probably use a flattened structure, so there's no need for proper pointers, 4-byte indexes are more than enough. And RDNA1 cache lines are 128 bytes: https://gpuopen.com/wp-content/uploads/2019/08/RDNA_Architecture_public.pdf
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