Individual skill

pytorch-fsdp2

Adds PyTorch FSDP2 (fully_shard) to training scripts with correct init, sharding, mixed precision/offload config, and distributed checkpointing. Use when models exceed single-GPU memory or when you need DTensor-based sharding with DeviceMesh. Also covers TorchTitan (guides in references/).

skills/distributed-training/pytorch-fsdp2/SKILL.md

Source commit 3456bb4cfa534b491ca0f826a8c7e29919a8aaf4

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Yes

Observed behavior

Instructions only

Last checked

Nov 10, 2026

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