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Add Qwen3 235B-A22B model config #871

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Add Qwen3 235B-A22B model config #871

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15 changes: 15 additions & 0 deletions tunix/models/qwen3/model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -172,6 +172,21 @@ def qwen3_30b(cls): # qwen3-30B
num_experts_per_tok=8,
)

@classmethod
def qwen3_235b_a22b(cls): # qwen3-235B-A22B (MoE)
return cls(
num_layers=94,
vocab_size=151936,
embed_dim=4096,
hidden_dim=1536,
num_heads=64,
head_dim=128,
num_kv_heads=4,
norm_eps=1e-06,
rope_theta=1_000_000,
num_experts=128,
num_experts_per_tok=8,
)

def shard(x: jnp.ndarray, s: Tuple[str, ...]):
mesh = pxla.thread_resources.env.physical_mesh
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