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VPP causes redundant dataset initialization leading to mmap virtual memory exhaustion

bugSomething isn't workingSomething isn't working

community-request

Status: Open.

#2860 In NVIDIA/Megatron-LM;

· excitingx opened on Jan 8, 2026

[QUESTION]How to convert a model from torchdist to hugginface？

bugSomething isn't workingSomething isn't working

community-request

Status: Open.

#2845 In NVIDIA/Megatron-LM;

· Listen-WLS opened on Jan 7, 2026

[QUESTION] resume from checkpoint and increase the data Parallelism size

community-request

needs-follow-upIssue needs follow-upIssue needs follow-up

questionFurther information is requestedFurther information is requested

Status: Open.

#2829 In NVIDIA/Megatron-LM;

· bugm opened on Jan 6, 2026

Feature Request: μP (Maximal Update Parameterization) Support

enhancementNew feature or requestNew feature or request

Status: Open.

#2824 In NVIDIA/Megatron-LM;

· sbhavani opened on Jan 6, 2026

How to convert checkpoint from fsdp_dtensor to torch_dist or huggingface in megatron-fsdp mode?

community-request

enhancementNew feature or requestNew feature or request

module: megatron-fsdp

needs-follow-upIssue needs follow-upIssue needs follow-up

Status: Open.

#2805 In NVIDIA/Megatron-LM;

· zhujian19891203 opened on Jan 5, 2026

Feature Request: Dual Chunk Attention for Long Context

enhancementNew feature or requestNew feature or request

Status: Open.

#2797 In NVIDIA/Megatron-LM;

· sbhavani opened on Jan 2, 2026

Feature Request: Video Generation Model Support (Wan, DiT architectures)

enhancementNew feature or requestNew feature or request

module: multimodal

Status: Open.

#2796 In NVIDIA/Megatron-LM;

· sbhavani opened on Jan 2, 2026

Feature Request: Enhanced Cross-Datacenter Training User Experience

enhancementNew feature or requestNew feature or request

Status: Open.

#2795 In NVIDIA/Megatron-LM;

· sbhavani opened on Jan 2, 2026

[BUG] DistributedOptimizer issues in Mixed-Precision: Stale model_param_group_index_map and .copy_ failure during get/load parameter_state

bugSomething isn't workingSomething isn't working

community-request

Status: Open.

#2777 In NVIDIA/Megatron-LM;

· HelloWorld686 opened on Dec 30, 2025

[BUG] Save checkpoint bug when using --optimizer-cpu-offload and --use-precision-aware-optimizer

bugSomething isn't workingSomething isn't working

community-request

Status: Open.

#2775 In NVIDIA/Megatron-LM;

· wplf opened on Dec 30, 2025

[QUESTION] inprocess restart

community-request

needs-follow-upIssue needs follow-upIssue needs follow-up

questionFurther information is requestedFurther information is requested

Status: Open.

#2774 In NVIDIA/Megatron-LM;

· tendar opened on Dec 30, 2025

Using Megatron-FSDP + EP consumes more GPU memory than using EP alone

bugSomething isn't workingSomething isn't working

community-request

module: megatron-fsdp

needs-follow-upIssue needs follow-upIssue needs follow-up

Status: Open.

#2772 In NVIDIA/Megatron-LM;

· cailun01 opened on Dec 29, 2025