A commercial software vendor (ansys) has recommended the following values for the kernel semaphore settings for their application:
· SEMMSL (maximum number of semaphores per semaphore set) = 256 · SEMMNS (system-wide limit on the number of semaphores in all semaphore sets) = 40000 · SEMOPM (maximum number of operations that may be specified in a semop() call) = 32 · SEMMNI (system-wide limit on the number of semaphore identifiers) = 32000 Does this make sense? Specifically the SEMMNI value is MUCH larger than SEMMNS/SEMMSL. Is there any use to that? -- Kevin Van Workum, PhD Sabalcore Computing Inc. --
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