Messages in this thread |  | | Date | Sat, 19 Oct 1996 12:14:39 +0100 (MET) | From | Ingo Molnar <> | Subject | null syscall latencies rock in 2.1.5 :) |
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2.0.21 getpid(): 219 cycles 2.1.5 getpid(): 158 cycles [on a 100MHz P54C+Neptun, hot caches] ^------- read: 1.5 usecs!
this is a 28% improvement! Great work Linus! :)
[ the hardware interrupt gate from ring 3 to ring 0 [and back] itself accounts for 85 cycles ... really awesome numbers! ]
-- mingo
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