hydra: increase local worker thread count
Our hydra fork has a limit on the number of active build slots, which defaults to the number of threads minus two, so 96-2 = 94. vcunat looked at mimas graphs when we were hitting this limit, and it seemed OK to push more (negligible cpusome PSI).
Martin Weinelt committed
Jul 19, 2024 at 01:07 UTC
be27a9c73e98a84f9b632524d54e4405cab49369
1 file changed
+3
build/hydra.nix
+3
@@ -93,6 +93,9 @@ in
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max_concurrent_evals = 1
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+ # increase the number of active compress slots (CPU is 48*2 on mimas)
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+ max_local_worker_threads = 144
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+
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max_unsupported_time = 86400
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allow_import_from_derivation = false