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Microsoft's Scott Hanselman Builds 'gputaskman,' an htop-Style Tool for Per-Process GPU Memory

November 3, 2026 at 23:50 EST

Software Dev & Coding
Infra & Chips

Microsoft's Scott Hanselman has built a tool called gputaskman that aims to show what is actually using GPU memory on a developer's machine, a gap that standard system utilities often leave open.

Developer tools · Microsoft

gputaskman aims to show what is really using your GPU memory

Local AI users often see VRAM nearly full while Windows Task Manager shows one total. Scott Hanselman's gputaskman is described as an htop-style view that breaks GPU memory down by process and loaded model file.

15 GB

Example of the single aggregate figure Task Manager reports, with no owner named

Combined number from standard utilities, versus a per-process breakdown from gputaskman

Independent tests of per-process and per-model accuracy reported so far

What a single total hides

Both columns use the same unit (GB of VRAM). The left column shows the total only. The right column is a placeholder: gputaskman's breakdown is intended to split that total, but the article publishes no split values.

15 GB

Task Manager: one aggregate

15 GB

gputaskman: per-process split (values not published)

Why the gap matters

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