[Feature] VLM model support tp

[KerwinKai]

Motivation

support tp for qwen2.5 vl, the gpu memory is 78.62GB in tp1, 43.56GB in tp4.

Modifications

• add qwen2_5_vl.py for target model

• add QKVParallelLinear for linear.py, because Qwen2_5_VLVisionAttention class need it.

Related Issues

#166

Pedding todo

• accuracy test

• support tp8, because num_attention_heads in config.json can not be divide by 8.

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[oswen]

The lm_head is column parallel, but you did not perform a gather operation here.