htop for vLLM see exactly where every GB of VRAM goes during inference (+ measured quantization savings, not guessed)

u/FixBrave6973 2026-07-18 UTC 1 min read

The post introduces an htop‑style monitoring tool for vLLM that visualizes VRAM usage of each tensor during inference, showing exact memory allocation instead of estimates, and reports measured quantization savings that quantify VRAM reductions.