LightningZ71

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    LightningZ71 replied to the thread Question Zen 6 Speculation Thread.

    Ahh, the regular AMD hype train is getting started again. I'm going to be cautiously but reservedly optimistic. The old slide with the...

    Friday at 6:40 AM
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    LightningZ71 replied to the thread Discussion Google Tensor SoC thread.

    GPU performance on tensor was not a priority. Stability and having a fixed validation target was higher on the list. I suspect that...

    Tuesday at 7:53 PM
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    LightningZ71 replied to the thread Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000).

    It's already there on the SoC. If it failed, then the chip isn't marketable to the west. If it didn't, then it keeps the product...

    Tuesday at 1:11 PM
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    LightningZ71 replied to the thread Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000).

    It's fairly typical for an AMD refresh, they just speed binned the highest end parts.

    Tuesday at 9:06 AM
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    LightningZ71 replied to the thread Question Zen 6 Speculation Thread.

    Yeah, I keep forgetting that they frame rate lock consoles. I guess it would make more sense to add more cores.

    Tuesday at 9:05 AM
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    LightningZ71 replied to the thread Question Zen 6 Speculation Thread.

    What I'm more interested in is if the next Gen game consoles get 3dCache? If their primary use case is exactly what that is targeted...

    Mar 24, 2025
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    LightningZ71 replied to the thread Question Zen 6 Speculation Thread.

    More than likely, AMD is getting more Xtors per $ with Samsung 4LPP than with TSMC N4C. We heard about AMD booking S4nm capacity about...

    Mar 22, 2025
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    LightningZ71 replied to the thread Discussion Leading Edge Foundry Node advances (TSMC, Samsung Foundry, Intel) - [2020 - 2025].

    Even though RDNA4 offers improved memory utilization efficiency over RDNA3.5, it's not enough of an improvement over it to warrant...

    Mar 21, 2025
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    LightningZ71 replied to the thread Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000).

    If you are doing HPC development or even doing workstation work using those same applications, a dual 3dCache Epyc 4XXX processor would...

    Mar 19, 2025
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    LightningZ71 replied to the thread Discussion Intel Meteor, Arrow, Lunar & Panther Lakes Discussion Threads.

    Reading the article just makes it sounds like AVX 10.x is just the next revision to AVX-512 and not some whole new approach. I don't...

    Mar 19, 2025
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    LightningZ71 replied to the thread Question Zen 6 Speculation Thread.

    It's too bad that AMD can't do Strix Point refresh on a more recent node. N3e should be a bit less expensive by then and with fin flex...

    Mar 14, 2025
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    LightningZ71 replied to the thread Discussion Leading Edge Foundry Node advances (TSMC, Samsung Foundry, Intel) - [2020 - 2025].

    Well, that still leaves over half the world's population and lots of potential customers.

    Mar 14, 2025
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    LightningZ71 replied to the thread Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000).

    I vaguely remember from long ago that there were processors that had bios settings where you could turn cache prefetch on and off. It's...

    Mar 13, 2025
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    LightningZ71 replied to the thread Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000).

    In general, the miss rate on a last level cache halves as the size of the cache quadruples. For example, if your hit rate on a 512Kb...

    Mar 13, 2025
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    LightningZ71 replied to the thread Discussion Leading Edge Foundry Node advances (TSMC, Samsung Foundry, Intel) - [2020 - 2025].

    Because TI wants nothing to do with leading edge and GF decided to shelve their Finger development programs to chase FD-SOI/FDX tech.

    Mar 13, 2025

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