AI BriefingMicrosoft Releases bitnet.cpp for 1-bit Models
Key point
Microsoft has released bitnet.cpp, an inference framework for BitNet b1.58 models that use 1-bit weights.
Details
Microsoft has open-sourced bitnet.cpp, a practical inference framework for BitNet b1.58 models. These models feature extremely small weights that use values of -1, 0, and 1.
Key test results are as follows:
- On an Apple M2 Ultra (64GB) setup, testing a 100B model configuration recorded approximately 6.58 tokens/sec when using all CPU threads.
- This demonstrates that the models can be run on CPU only without a GPU.
However, it should be noted that the 100B test used a dummy research model rather than an actual trained chatbot. Therefore, these results do not imply that general 100B models like Llama or Qwen can immediately run on standard laptops.
In conclusion, bitnet.cpp is significant in demonstrating the technical feasibility of running large-scale 1-bit models in CPU environments.
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