How Microsoft’s next-gen BitNet architecture is turbocharging LLM efficiency

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VentureBeat 11h ago

How Microsoft’s next-gen BitNet architecture is turbocharging LLM efficiency - VentureBeat

Quick Summary:

Compared to full-precision Llama models, BitNet a4.8 reduces memory usage by a factor of 10 and achieves 4x speedup.Compared to BitNet b1.58, it achieves a 2x speedup through 4-bit activation kernels.

But the design can deliver much more.“The estimated computation improvement is based on the existing hardware (GPU),” Wei said.“With hardware specifically optimized for 1-bit LLMs, the computation improvements can be significantly enhanced.

Previous BitNet models used 1.58-bit values (-1, 0, 1) to represent model weights and 8-bit values for activations.