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[BUG] Prefetch in dynamicemb make loss mismatch in HSTU

bugSomething isn't workingSomething isn't working

dynamicembRelated with dynamicembRelated with dynamicemb

Status: Open.

#280 In NVIDIA/recsys-examples;

· jiashuy opened on Jan 22, 2026

[DOC]Required Megatron

Status: Open.

#279 In NVIDIA/recsys-examples;

· huichen-sophie opened on Jan 22, 2026

[FEA] Beam search optimization

enhancementImprovement for existing featureImprovement for existing feature

featureNew featureNew feature

Status: Open.

#277 In NVIDIA/recsys-examples;

· JacoCheung opened on Jan 21, 2026

·  

26.3

[FEA] Jagged Arbitrary Masked Self Attention support

enhancementImprovement for existing featureImprovement for existing feature

featureNew featureNew feature

Status: Open.

#276 In NVIDIA/recsys-examples;

· JacoCheung opened on Jan 21, 2026

·  

26.3

[FEA]Request for Clarification and CPU Benchmark on HSTU Backward GQA Implementation

Status: Open.

#274 In NVIDIA/recsys-examples;

· ml1396588509-ops opened on Jan 20, 2026

[BUG]dump score on DynamicEmbScoreStrategy.STEP mode.

bugSomething isn't workingSomething isn't working

dynamicembRelated with dynamicembRelated with dynamicemb

Status: Open.

#272 In NVIDIA/recsys-examples;

· jiashuy opened on Jan 19, 2026

[FEA] Customized optimizer support.

dynamicembRelated with dynamicembRelated with dynamicemb

featureNew featureNew feature

Status: Open.

#269 In NVIDIA/recsys-examples;

· jiashuy opened on Jan 14, 2026

[BUG] hstu_sparse model occasionally block

bugSomething isn't workingSomething isn't working

Status: Open.

#266 In NVIDIA/recsys-examples;

· biaochen opened on Jan 9, 2026

[FEA] Woudle you please provide a standard Docker image in DockerHub or NGC.

Status: Open.

#264 In NVIDIA/recsys-examples;

· SunnyGhj opened on Jan 7, 2026

[QST] Inference logits mismatch vs training checkpoint — scaling_seqlen behavior differs between train/infer (intentional or bug?)

questionFurther information is requestedFurther information is requested

Status: Open.

#260 In NVIDIA/recsys-examples;

· Lssyes opened on Dec 29, 2025

Development Roadmap(H4)

Status: Open.

#259 In NVIDIA/recsys-examples;

· shijieliu opened on Dec 22, 2025

[FEA] New checkpoint format of dynamicemb

dynamicembRelated with dynamicembRelated with dynamicemb

featureNew featureNew feature

Status: Open.

#258 In NVIDIA/recsys-examples;

· jiashuy opened on Dec 17, 2025

·  

26.3