accelerate

cd37bbb6 - set backend correctly for CUDA+FSDP2+cpu-offload (#3574)

set backend correctly for CUDA+FSDP2+cpu-offload (#3574) * set backend correctly for CUDA+FSDP2+cpu-offload * offload * format --------- Co-authored-by: Wing Lian <wing@axolotl.ai>