ollama - 💡(How to fix) Fix Ollama ps shows incorrect memory usage [MacOS]

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What is the issue?

Ollama ps shows incorrect memory usage, at least for Gemma 4 31B q8_0. Command is showing:

NAME ID SIZE PROCESSOR CONTEXT UNTIL
gemma4:31b-it-q8_0 53dd8459790f 35 GB 100% GPU 262144 4 minutes from now

In activity monitor I'm seeing llama-server using around 25 GB of memory while the actual value of used memory by the model is around 50 GB more or less from what I'm seeing in activity monitor memory used field

Relevant log output

OS

macOS

GPU

Apple

CPU

Apple

Ollama version

0.30.7

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