-[ChipNeMo](https://arxiv.org/pdf/2311.00176) is a chip design domain adapted LLM. Instead of directly deploying off-theshelf commercial or open-source LLMs, the paper instead adopts the following domain adaptation techniques: domain-adaptive tokenization, domain adaptive continued pretraining, model alignment with domain-specific instructions, and domain adapted retrieval models. Specifically, LLama 2 foundation models are continually pre-trained with 20B plus tokens on domain-specific chip design data, including code, documents, etc., and then fine-tuned with instruction datasets from design data as well as external sources. Evaluations on the resultant domain-adapted ChipNeMo model demonstrate that domain-adaptive pretraining of language models, can lead to superior performance in domain related downstream tasks compared to their base LLaMA2 counterparts, without degradations in generic capabilities.
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