Rerunning the HF torch.profiler series on an H100: findings differ more than expected

ariG23498 · x · 2026-10-31

A developer reran Hugging Face's torch.profiler tutorial series on an H100 (the original was on an A100) and found the conclusions changed more than expected. They shared full perfetto traces and a detailed writeup; the attached flame graph captures PyTorch compile-phase profiling — useful reference for GPU performance tuning.

Original post →

More from Infra

Infra channel →