Hugging Face TRL 1.15 Ships Fused LM Head by Default: Up to 6.9× Longer Sequences, 52-82% Less Memory
victormustar · x · 2026-10-10
Hugging Face released TRL 1.15 with a fused LM head that is now on by default.
- Up to 6.9× longer sequences on the same GPU, with 52-82% less memory usage.
- Works across SFT, DPO, KTO, GRPO and RLOO — an immediate free win for local fine-tuning and RL post-training.
- victormustar boosted the demo video by @0xsarac, calling the results impressive.
Related event: Hugging Face TRL v1.15 cuts VRAM by up to 82% with fused LM head(4 posts)→
More from coding & agent
- Prime Agent orchestrates 2,000+ agents to rewrite itself in Rust, 13x faster input, 83% less memory — xeophon · 2026-10-10
- Agentic Primitives 101: how harnesses let AI agents work across hours and days — rseroter · 2026-10-10
- mitsuhiko: opencode's isolation tradeoff is fine, but he wouldn't start there with Pi — mitsuhiko · 2026-10-10
- mitsuhiko: an AST interpreter alone is too fragile as an agent code-execution sandbox — mitsuhiko · 2026-10-10
- Agent tool ships global secrets/env/SSH key management, LAN egress next — lucasmeijer · 2026-10-10
- Sierra's Personal Agent Protocol draft out with Meta, Stripe, Walmart; Cloudflare joins — irvinebroque · 2026-10-10