TraceML

TraceML, an open-source PyTorch training diagnosis tool, reproduced a known LeRobot training regression and found that recurring DataLoader fetches took over five seconds, while most fetches were quic…

A diagnostic experiment by TraceML maintainer found that Qwen3-1.7B LoRA training with TRL on a single T4 ran 17% faster with per-device batch size 4 and no gradient accumulation (238.2s) than with pe…

A new open-source integration for Hugging Face Trainer, TraceML, diagnoses whether GPU underutilization is caused by data-loading bottlenecks or model compute limits. The tool, built by an unnamed dev…