Recent content by Athenau

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    DirectStorage GPU Decompression, RTX IO, Smart Access Storage

    In theory PCI-E should support peer to peer transfers that bypass host memory, but I don't know if Intel or AMD support this properly. And yes, you wouldn't realize a throughput benefit, only possibly a latency benefit, by enabling this.
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    DirectStorage GPU Decompression, RTX IO, Smart Access Storage

    But, as I understand it, there is no storage -> GPU path right now even with GPU decompression enabled--a staging area in CPU memory is still required. Which begs the question of, why not just do it on the CPU?
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    DirectStorage GPU Decompression, RTX IO, Smart Access Storage

    Modern PC's usually have a surfeit of CPU power--I'm surprised no one has explored how an optimized vectorized CPU decompression implementation compares.
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    Is Mark Cerny an Engineer? *spawn

    In the US, "programmer" and "software engineer" are interchangeable. There is no standards body or widely accepted accreditation for the latter, and job postings for engineers always denote a programmer role, and pretty much everyone in the industry understands the nomenclature. So yes, Cerney...
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    Digital Foundry Article Technical Discussion [2023]

    Waiting on memory isn't going to manifest as low CPU utilization--a process where every memory access misses the cache will still show up as using 100% CPU.
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    Diablo 4 [XO, XBSX|S, PC, PS4, PS5, XGP]

    I don't give two shits about the MTX store because it's just cosmetic--as long as you can't pay for power it's fair game in my book. Plus, whales shelling out for cosmetics subsidizes content that I do care about, which is a win in my book.
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    Do you think there will be a mid gen refresh console from Sony and Microsoft?

    120 fps was transformational for me on a high refresh-rate monitor, almost as big as the jump from 30 to 60. It's to the point that I would rather drop the resolution to 1440p from 4k if that gets me >100 fps. Is that worth it on a console--maybe not given many seem satisfied with 30 fps with...
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    Redfall [XBSX|S, XGP, PC]

    I mean, it's Bethesda so you should never not be concerned.
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    CPU Limited Games, When Are They Going To End?

    Skylake is 23% faster than Sandy Bridge (geomean) on this set of benchmarks: https://www.anandtech.com/show/9483/intel-skylake-review-6700k-6600k-ddr4-ddr3-ipc-6th-generation/9
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    CPU Limited Games, When Are They Going To End?

    That objection oriented abstractions are frequently counter-productive doesn't say anything about the value of abstraction in general. Abstractions are meant to aid understanding. If your abstraction obfuscates instead, find a better one. In many problem domains, writing something provably...
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    Digital Foundry Article Technical Discussion [2023]

    Returnal stutter was caused by raytracing (as confirmed by DF) which the PS5 version doesn't even have, so 🤷? Returnal runs fine without RT on the two PC's I've tried it on (both relatively high-end, but they correspondingly run at much higher framerates and with noticeably better image quality...
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    Apple is an existential threat to the PC

    The M1 Macbook Pros are excellent software development machines. Having the single-threaded integer performance of a 5800x/5900x in a 5w per core envelope is really nice, especially when your build system can only extract coarse-grained parallelism. They're also dead silent, have great battery...
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    AMD RX 7900XTX and RX 7900XT Reviews

    So what, exactly, is broken in the released RNDA3 hardware, apart from the inability to hit the forecasted clocks?
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    Digital Foundry Article Technical Discussion [2022]

    "Cache scrubbing" isn't relevant to PC's because the GPU and storage aren't coherent in the first place--the programmer has to explicitly manage data movement.
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    GPU Ray Tracing Performance Comparisons [2021-2022]

    Zen 3 was certainly better than anything Intel pre-Alder Lake--it had a solid year of being top-dog.
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