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  • S_x96x_S

    addikt

    válasz b. #50958 üzenetére

    a lényeg, hogy - később (March 19, 2025 )
    Jensen - egyértelműen úgy fogalmazott, hogy
    az optikai összeköttetés még nem éri meg az nvidiának.
    "Nvidia CEO says power-saving optical chip tech will need to wait for wider use"

    "But Huang told a group of journalists after his speech that while Nvidia examined using it more widely in its flagship GPU chips it had no current plans to do so, because traditional copper connections were "orders of magnitude" more reliable than today's co-packaged optical connections.
    "That's not worth it," Huang said of using optical connections directly between GPUs. "We keep playing with that equation. Copper is far better.""

    a Neurophos - meg ALL-IN -t mondott a fotonikus compute-ra.
    - állítólag van 300 ezzel kapcsolatos patentjük.

    ráadásul - elég merészet állítanak:
    https://www.neurophos.com/whitepapers


    "Neurophos’ first generation product OPU will deliver a 1024 x 1024 pixel metasurface array, with 4 bit precision, at 56 GHz. Each vector-matrix multiplication translates to 10242 multiplications and 1024×1023 additions, for a total of 2.1 million operations. This product can perform two such multiplications in parallel, and at 56 GHz this yields a peak 235 Peta Operations per Second (POPS) (2.35×1017) during peak operation while consuming 675 W, corresponding to 348 Tera (3.48×1014) Operations per Second (TOPS) per Watt and a compute density of 285 TOPS/mm2.
    In contrast, NVIDIA’s B200 GPU delivers 9 POPS (dense FP4 precision) and consumes approximately 1,000 W. This corresponds to an efficiency of 9 TOPS/W with a compute density of 5.5 TOPS/ mm2.
    """

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