Hi,
I checked out the current version of hwloc from the svn. I ran lstopo
and got the follow result (snapshot of it):
Towards the beginning:
Socket#0 cpuset 0x000000ff
L3Cache(8192KB) cpuset 0x000000ff
L2Cache(256KB) cpuset 0x00000011
L1Cache(32KB) cpuset 0x00000011
Core#0 cpuset 0x00000011
P#0 cpuset 0x00000001
P#4 cpuset 0x00000010
L2Cache(256KB) cpuset 0x00000022
L1Cache(32KB) cpuset 0x00000022
Core#1 cpuset 0x00000022
P#1 cpuset 0x00000002
P#5 cpuset 0x00000020
L2Cache(256KB) cpuset 0x00000044
L1Cache(32KB) cpuset 0x00000044
Core#2 cpuset 0x00000044
P#2 cpuset 0x00000004
P#6 cpuset 0x00000040
L2Cache(256KB) cpuset 0x00000088
L1Cache(32KB) cpuset 0x00000088
Core#3 cpuset 0x00000088
P#3 cpuset 0x00000008
P#7 cpuset 0x00000080
Towards the end:Machine(3016MB) + Socket#0 + L3#0(8192KB)
L2#0(256KB) + L1#0(32KB) + Core#0
P#0
P#1
L2#1(256KB) + L1#1(32KB) + Core#1
P#2
P#3
L2#2(256KB) + L1#2(32KB) + Core#2
P#4
P#5
L2#3(256KB) + L1#3(32KB) + Core#3
P#6
P#7
It seems to me that they are reporting different things. If I understand
correctly, the lstopo reports that P#1 and P#4 are in core 1 (and so
forth) while at the end, it reports that core#0 has P#0 and P#1. I'm
wondering why there is such a descrepancy or if I have misinterpret
something here. The machine I am running on is a i7-920 (4 cores with
hyperthreading).
Any answer would be greatly appreciated. Thank you very much in advance.
Norman
