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Enable fused rmsnorm in bf16 for llama #621

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Merged
regisss merged 1 commit into from
Jan 3, 2024
Merged

Enable fused rmsnorm in bf16 for llama #621

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5 changes: 2 additions & 3 deletions optimum/habana/transformers/models/llama/modeling_llama.py
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Original file line number Diff line number Diff line change
Expand Up @@ -60,9 +60,8 @@ def gaudi_llama_rmsnorm_forward(self, hidden_states):
- override RMSNorm with Habana fused RMSNorm
"""
if hidden_states.device.type == "hpu" and FusedRMSNorm:
orig_dtype = hidden_states.dtype
hidden_states = FusedRMSNorm.apply(hidden_states.float(), self.weight.float(), self.variance_epsilon)
return hidden_states.to(orig_dtype)
hidden_states = FusedRMSNorm.apply(hidden_states, self.weight, self.variance_epsilon)
return hidden_states
else:
input_dtype = hidden_states.dtype
hidden_states = hidden_states.to(torch.float32)
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