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Subject: Re: [hwloc-users] hwloc v1.2.1rc1 test on AIX
From: Brice Goglin (Brice.Goglin_at_[hidden])
Date: 2011-08-03 05:29:15


Le 03/08/2011 09:35, Hendryk Bockelmann a écrit :
> Hello Samuel,
>
> installation of hwloc-1.2.1rc1r3571.tar.gz was no problem on AIX6.1

Thanks for testing!

> Report of lstopo for one POWER6 node given:
>
> Machine + L1 L#0 (64KB)
> NUMANode L#0 (P#0)
> L1 L#0 (64KB)
> L2 L#0 (4096KB) + L1 L#0 (64KB) + Core L#0
> PU L#0 (P#0)
> PU L#1 (P#1)
> L2 L#1 (4096KB) + L1 L#1 (64KB) + Core L#1
> PU L#2 (P#2)
> PU L#3 (P#3)
> L1 L#1 (64KB)
> L2 L#2 (4096KB) + L1 L#2 (64KB) + Core L#2
> PU L#4 (P#4)
> PU L#5 (P#5)
> L2 L#3 (4096KB) + L1 L#3 (64KB) + Core L#3
> PU L#6 (P#6)
> PU L#7 (P#7)
> ...
>
> There seems to be two little failures:

Are these new failures ? Did 1.2 work fine ?

> i/ each core has 128kB L1-cache (64kB data and 64kB instruction)

We only report data (and unified caches) so I assume the instruction L1
is ignored on purpose.

> ii/ the shared L3-cache of one POWER6 chip, i.e. of two cores, is 32MB
> - here it is shown as "L1 L#0 (64KB)"

Can you send the output of lstopo after reconfiguring with
--enable-debug, it's not easy to understand what's going on here.

Thanks
Brice