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fix: small bug for llama-405b fp16 #733

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merged 1 commit into from
Jul 26, 2024
Merged

fix: small bug for llama-405b fp16 #733

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2 changes: 1 addition & 1 deletion python/sglang/srt/managers/controller/model_runner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -121,7 +121,7 @@ def load_model(self):
skip_tokenizer_init=True,
)

if is_llama3_405b_fp8(self.model_config):
if is_llama3_405b_fp8(self.model_config) and self.tp_size <= 8:
# A temporary hack to fix the num_heads for meta-llama/Meta-Llama-3.1-405B-FP8 checkpoints
self.model_config.hf_config.num_key_value_heads = 8
vllm_model_config.hf_config.num_key_value_heads = 8
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1 change: 1 addition & 0 deletions python/sglang/srt/utils.py
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Expand Up @@ -626,6 +626,7 @@ def is_llama3_405b_fp8(model_config):
and model_config.hf_config.intermediate_size == 53248
and model_config.hf_config.num_hidden_layers == 126
and model_config.hf_config.num_key_value_heads == 16
and hasattr(model_config.hf_config, "quantization_config")
and model_config.hf_config.quantization_config["quant_method"] == "fbgemm_fp8"
):
return True
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