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[ci] Reduce limit for the formal CI#2438

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[ci] Reduce limit for the formal CI#2438
SamuelRiedel wants to merge 1 commit into
lowRISC:masterfrom
SamuelRiedel:ci-formal

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@SamuelRiedel
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It seems the some runners have less memory available and more threads, which leads to the formal crashing. In my latest PR (#2403), I always got the cosmic-nix-4 machine, which crashed:

  • cosmic-nix-4 reports: Process runner will have a maximum of 126 processes, and currently sees 66.413GB free. and crashes with limit set to 100GB.
  • pomona-nix-2 reports Process runner will have a maximum of 62 processes, and currently sees 100.000GB free. runs fine with previous limit.

Some runners have less memory available and the CI can crash on those
if we don't limit the memory.
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@gautschimi gautschimi left a comment

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sounds reasonable

@SamuelRiedel SamuelRiedel requested a review from jwnrt May 22, 2026 13:02
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