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Marvell's Dave Lazovsky demonstrated a photonic memory module that can move HBM and DDR high-bandwidth memory up to 50 meters away from the GPU, compared with the traditional distance of just 1.5 millimeters. The report states that this approach keeps latency in the hundreds of nanoseconds, close to practical memory access levels, allowing memory and compute to scale independently, so AI clusters no longer need to lock large-capacity memory inside the accelerator package. Currently, this demonstration has only been reported by a single source, and there are no subsequent developments as facts.
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Marvell's photonic module puts HBM memory up to 50 meters away from the GPUDevelopments
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- Source:Rohan Paul
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Oct 20
Rohan Paul
Marvell's photonic module puts HBM memory up to 50 meters away from the GPU
Marvell's Dave Lazovsky demonstrated a photonic module that can move HBM + DDR high-bandwidth memory up to 50 meters away from the GPU, compared with the traditional distance of just 1.5 mm. Latency stays in the hundreds of nanoseconds, close to practical memory access levels. Memory and compute can thus scale independently, and AI clusters no longer need to lock large-capacity memory inside the accelerator package.