Eileen Yoon personal blog

Getting 50 GB/S Back from the Apple Neural Engine

An RTL performance erratum in the Apple M3 Neural Engine throttles DRAM weight streaming throughput down to 17–19 GB/s from the nominal 45–60 GB/s, whenever the total weight size is an integer multiple of 1 MiB, which currently affects 7 of ANEMLL ’s 15 models. Avoiding the problematic path in the kernel DMA engine's…
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Systems & PerformanceHardware & Electronics2026

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Sep 10, 2026Getting 50 GB/S Back from the Apple Neural Engine by eiln21836

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