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A high-throughput and memory-efficient inference and serving engine for LLMs

Mirrored from https://github.com/tduncan-lum/Nvidia-Optimization-Stack---VLLM.git

Synced Nov 15, 18:30 UTC

[Bugfix] Adjust mllama to regional compilation (#15112)

[Bugfix] Adjust mllama to regional compilation (#15112) Signed-off-by: Jan Kaniecki <jkaniecki@habana.ai>

Jan Kaniecki committed Mar 19, 2025 at 15:57 UTC 8363cd093d9aba041f13ca0b23390d8014bc92a1
1 file changed +4 -7
vllm/model_executor/models/mllama.py
+4 -7
@@ -1070,8 +1070,8 @@ class MllamaTextModel(nn.Module):
1070 inputs_embeds = self.embed_tokens(input_ids)
1071 hidden_states = inputs_embeds
1072
1073 - for decoder_layer in self.layers:
1074 - if isinstance(decoder_layer, MllamaCrossAttentionDecoderLayer):
1073 + for idx, decoder_layer in enumerate(self.layers):
1074 + if idx in self.cross_attention_layers:
1075 if not skip_cross_attention:
1076 hidden_states = decoder_layer(
1077 hidden_states=hidden_states,
@@ -1081,16 +1081,13 @@ class MllamaTextModel(nn.Module):
1081 full_text_row_masked_out_mask=
1082 full_text_row_masked_out_mask,
1083 )
1084 - elif isinstance(decoder_layer, LlamaDecoderLayer):
1084 + else:
1085 hidden_states, residual = decoder_layer(
1086 positions=positions,
1087 hidden_states=hidden_states,
1088 residual=None,
1089 )
1090 hidden_states = hidden_states + residual
1091 - else:
1092 - raise ValueError(
1093 - f"Unknown decoder layer type {type(decoder_layer)}")
1091 hidden_states = self.norm(hidden_states)
1092 return hidden_states
1093
@@ -1551,4 +1548,4 @@ def convert_dense_cross_attention_mask_to_tensor(
1548 full_text_mask = ((mask != ninf).any(dim=-1).type_as(mask)[..., None])
1549 mask *= full_text_mask
1550 # (num_prompt_tokens, num_encoder_tokens)
1554 - return mask
\ No newline at end of file
1551 + return mask