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[LLM Inference] Qwen2_Moe Support wint4 #9129

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merged 2 commits into from
Sep 14, 2024
Merged

[LLM Inference] Qwen2_Moe Support wint4 #9129

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21a2a31
support wint4
CJ77Qi Sep 12, 2024
d778c5d
fix codestyle
CJ77Qi Sep 12, 2024
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11 changes: 9 additions & 2 deletions paddlenlp/experimental/transformers/fused_transformer_layers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1299,8 +1299,12 @@
self.moe_ffn2_weight_shape = [self.config.moe_config.num_experts, self.dim_feedforward, self.embed_dim]

if config.quant_type == "weight_only_int4":
self.moe_ffn1_weight_shape[2] //= 2
self.moe_ffn2_weight_shape[2] //= 2
if config.moe_config.has_shared_expert():
self.moe_ffn1_weight_shape[2] //= 2
self.moe_ffn2_weight_shape[1] //= 2

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paddlenlp/experimental/transformers/fused_transformer_layers.py#L1302-L1304 

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else:
self.moe_ffn1_weight_shape[2] //= 2
self.moe_ffn2_weight_shape[2] //= 2

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paddlenlp/experimental/transformers/fused_transformer_layers.py#L1306-L1307 

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if self.config.moe_config.has_shared_expert():
self.shared_expert_ffn1_weight_shape = [
Expand All @@ -1315,6 +1319,9 @@
self.embed_dim,
1,
]
if config.quant_type == "weight_only_int4":
self.shared_expert_ffn1_weight_shape[0] //= 2
self.shared_expert_ffn2_weight_shape[0] //= 2

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paddlenlp/experimental/transformers/fused_transformer_layers.py#L1322-L1324 

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def compute_qkv_linear(self, ln_out, i):
return weight_only_linear(
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