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"""Qwen3 MoE model configuration definitions."""

from tokenspeed.runtime.configs.qwen3_config import Qwen3Config


class Qwen3MoeConfig(Qwen3Config):
    """Configuration for Qwen3 MoE causal LMs such as Qwen3-30B-A3B."""

    model_type = "qwen3_moe"

    def __init__(
        self,
        decoder_sparse_step=1,
        moe_intermediate_size=768,
        shared_expert_intermediate_size=0,
        num_experts_per_tok=8,
        num_experts=128,
        norm_topk_prob=True,
        output_router_logits=False,
        router_aux_loss_coef=0.001,
        mlp_only_layers=None,
        **kwargs,
    ):
        super().__init__(**kwargs)
        self.decoder_sparse_step = decoder_sparse_step
        self.moe_intermediate_size = moe_intermediate_size
        self.shared_expert_intermediate_size = shared_expert_intermediate_size
        self.num_experts_per_tok = num_experts_per_tok
        self.num_experts = num_experts
        self.norm_topk_prob = norm_topk_prob
        self.output_router_logits = output_router_logits
        self.router_aux_loss_coef = router_aux_loss_coef
        self.mlp_only_layers = [] if mlp_only_layers is None else mlp_only_layers


__all__ = ["Qwen3MoeConfig"]