Add Qwen4Exp model - #48337
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[For maintainers] Suggested jobs to run (before merge) run-slow: auto, qwen3_5, qwen3_5_moe, qwen4_exp |
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Cyrilvallez
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Aug 26, 2026
* support Qwen4-Exp. * Fix placement of concatenated checkpoint tensors * Align Qwen4-Exp checkpoint conversion * Simplify Qwen4-Exp model integration * Add Qwen4-Exp parallel coverage and documentation * revert some equivalent operation * update qwen4_exp doc. * fix * no need to change qwen3.5 * sets activation directly inside norm * remove specific head models * native rotary * simplify * remove overwrite * remove non compile criteria * move outside the class * remove constants * simplify config * indexer is always present * indexer needs to train * fix and simplify the selection of valid indices in indexer * remove external functions * simplify indexer further * replace einsum with matmul * start vectorizing * simplify * always use a mask for simplicity * create and combine mask much more easily in indexer * simplify hyper connections * fix all prefixes * fix ple input by reversing embeddings instead * capture hidden states * follow signature order * always forward both masks * fix and simplify past context in ngram embedding * fix * make do_natural_key more readable * combine norm and grouped norm * fix shapes * fix qsa check * fix mask * style * add a few decorators * update minimal test * adapt to newest config * remove unnecessary test * combine related test * fix index mask broadcast error * fix gdn previous state check when ple is enable * avoid update conv state in place * confirmed hybrid_indexed was not used * fix rope test * use vlm tester to pass ci * rewrite layer type in config * no need to reslice * short conv up to latest standards * dilution not supported in kernels 😭 * remove unused attr * vectorize qsa indexer!!! * qsa can use a separate rotary for simply * add qwen_sparse_attention to support block key store!!! * update test * modular based on latest main * make quality happy * keep simple for now, generalize all library indexers later * do not keep cos/sin in the cache for memory * a bit cleaner * extend 2d position_ids * ignore rule * simplify conversion Ops * fix loading and tests * do not use attn in tp_plan cause num_kv_head=2 * remove created file * oupsi * fix chunked prefill * fix positions * fix reverse loading * improve conversion * slightly clearer key ordering * shard the embedding on dim1 * revert test * force conversion on cpu for device_map * make things work on simple hardware * small fix * oupsi * latest upstream modular --------- Co-authored-by: 弥道 <roy.zb@alibaba-inc.com> Co-authored-by: JJJYmmm <1650675829@qq.com>
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