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Open-source GPU task manager reveals exactly what's eating your VRAM

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Open-source GPU task manager reveals exactly what's eating your VRAM

Microsoft VP Scott Hanselman has revealed a new open-source GitHub project called gputaskman. The name neatly encapsulates the headline role of this tool, a GPU-focused task manager, but its scope might be broader than you expect. This new tool for Windows, Linux, and macOS can show per-process GPU usage, VRAM consumption, active runtimes, and many more stats. It also breaks out AI/LLM task-specific information.

There's a lot going on in my GPU. I'm making a GPU Taskman to get insights to where my GPU memory is going. PRs welcome https://t.co/6FwKqnFWDWNovember 3, 2026

On social media, Hanselman snappily makes clear the technical itch that gputaskman was designed to scratch. “There's a lot going on in my GPU,” wrote the prominent public face of Microsoft's developer ecosystem. “I'm making a GPU Taskman to get insights to where my GPU memory is going.”

There are several example screenshots of GPU Taskman in use by the Microsoft VP. They clearly show the kinds of data that are presented in the terminal-like display that pops up in the tool. Hanselman’s tweet shows that the most VRAM-hungry app on his RTX 4080S system is the desktop windows manager. That is selected in the list, and more details are shown for this task at the bottom of the window. Also, we see AI/LLM apps consuming VRAM, and a few Windows staples.

exe app is selected in the list. 6B is being used, and there’s a breakdown of its weights, the KV cache , the number of parameters, and more.


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