BitCPM-CANN: Native 1.58-Bit Large Language Model Training on Ascend NPU

Paper: https://github.com/OpenBMB/MiniCPM/blob/main/docs/BitCPM_CANN.pdf Abstract We present BitCPM-CANN, a systematic family-level study of 1.58-bit (ternary) quantization-aware training (QAT) on the Huawei Ascend NPU platform. To address two practical gaps for extreme low-bit LLMs—whether ternary