Re: [PATCH 2/4] ipc/sem: seperate wait-for-zero and alter tasks intoseperate queues
From: Manfred Spraul
Date: Sat Jun 01 2013 - 07:52:17 EST
On 06/01/2013 11:20 AM, Manfred Spraul wrote:
I mixed up numbers.
- osim [i.e.: with reschedules] is much slower: around 21 us per
Perhaps the scheduler didn't pair the threads optimally: intra-cpu
take around 2 us on my i3, inter-cpu reschedules around 16 us.
osim reports around 1.6 us for the 64-thread system.
It is still odd that it is only factor 1.5 facter than my 4-thread i3,
but at least it is not slower.
Anyway: I have attached the table of all results that I have so far.