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Saint LeftoverLocals, Keeper of Leftovers
Patron of GPUs that don't do the dishes, language models that talk too much, and anyone sharing a graphics card with strangers.
Life
On 16 January 2024 Trail of Bits showed that on Apple, AMD and Qualcomm GPUs local memory was not cleared between one program and the next. A curious process could gather the leftovers of another, up to reconstructing the answers of a language model running next door.
Prayer
O Saint LeftoverLocals, who feeds on other people's leftovers, teach our GPUs to clear the table after every kernel. Amen.
How to celebrate
Celebrated with a lunch of leftovers, updating GPU drivers between courses.
Who doesn't clear their memory serves it to the neighbours.