Qwen2: assume tied weights if lm_head/output weights is missing #6738
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slaren
approved these changes
Apr 18, 2024
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This PR adds the proper support of Qwen2-0.5B, which uses tied word embeddings. Example config: https://huggingface.co/Qwen/Qwen1.5-0.5B-Chat/blob/main/config.json#L21.
Previous attempt: #6578