From RuntimeWire · RuntimeWire · · 40s
Hugging Face TRL Fix Halves Qwen3 Training Step
Hugging Face's TRL fix cuts Qwen3 training time on H100 by half in SDPA test.
In brief
Hugging Face's TRL fix cuts Qwen3 training time on H100 by half in SDPA test. Hugging Face merged a TRL fix on November 13th, 2026 that halves Qwen3 training steps on H100 using AWS Trainium2. Originally reported by RuntimeWire.
Hugging Face TRL Fix
Hugging Face merged a TRL fix on November 13th, 2026 that halves a reported Qwen3 training step on an H100.
AWS Trainium2 Test
The fix produced step timings on AWS Trainium2 where the previous layout crashed.
Packed Examples
The merged pull request keeps best-fit-decreasing packed examples as separate batch rows for standard attention models.
Here's the gist
Hugging Face merged a TRL fix on November 13th, 2026 that halves Qwen3 training steps on H100 using AWS Trainium2.
