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ConceptTernary Quantization / 三值量化

Ternary Quantization

An extreme neural network model compression technique that restricts model weights to three discrete values: -1, 0, and +1. Each weight theoretically requires approximately 1.58 bits of storage, achieving compression ratios exceeding 10× compared to FP16. Maintaining accuracy is challenging, and compensation techniques such as quantization-aware training are typically required.

Timeline (last 90 days)

Sep 18

Ternary quantization restricts neural network weights to three discrete values (typically -1, 0, and +1), requiring theoretically only about 1.58 bits of storage per weight.

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Sep 18

Extreme quantization trades size advantages potentially at the cost of longer inference times.

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Sep 16

In ternary quantization, matrix multiplication can degenerate into addition and subtraction, theoretically allowing multipliers to be bypassed entirely.

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