19:30
2026-10-05
spectralabs.si
artificial-intelligence
Show HN: Spectra-FFT – Cutting AdamW VRAM Usage by 50% for LLMs
Spectra-FFT, a new optimizer presented on Hacker News, claims to cut AdamW optimizer-state VRAM usage by roughly 55% for full-parameter LLM fine-tuning, replacing the two 32-bit states AdamW keeps per…