Messages in this thread |  | | | Date | Sat, 28 Nov 1998 06:19:07 -0800 | | From | "David S. Miller" <> | | Subject | Re: [patch] entry.S asm improvement (removed some ugly jmp) |
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Date: Sat, 28 Nov 1998 15:07:15 +0100 (CET) From: Andrea Arcangeli <andrea@e-mind.com>
I think that my simulation was bogus. This because I guess that return_all will invalidate any kind of return prediction... So the patch could improve things even if the simulation didn' t agreed. Is there any volunteers that could do a benchmark of 2.1.130 and 2.1.130 + my asm patch? To benchmark you should generate a signal flood to run many times a signal handler or something similar... I am not going to benchmark myself since my hardware seems to not care too much about the return prediction ;)
I believe lat_sig from lmbench would be a good way to generate such a sequence of events.
Later, David S. Miller davem@dm.cobaltmicro.com
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