Repository: huggingface/transformers
Pull request: [Bug fix #40813] Fix base_model_tp_plan of Starcoder2 model.

Fixes #40813

Second linear layer in `Starcoder2`s MLP `c_proj` should be row-sharded and not column-sharded. Otherwise, column-sharding both `c_fc` and `c_proj` results in incorrect sharding and tensor shape mismatch.


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Changed files:
filename: src/transformers/models/starcoder2/configuration_starcoder2.py
patch: @@ -141,7 +141,7 @@ class Starcoder2Config(PretrainedConfig):
         "layers.*.self_attn.v_proj": "colwise",
         "layers.*.self_attn.o_proj": "rowwise",
         "layers.*.mlp.c_fc": "colwise",
-        "layers.*.mlp.c_proj": "colwise",
+        "layers.*.mlp.c_proj": "rowwise",
     }
     base_model_pp_plan = {
         "embed_tokens": (["input_ids"], ["inputs_embeds"]),