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Subject: Re: [hwloc-users] howloc with scalemp
From: Brock Palen (brockp_at_[hidden])
Date: 2010-04-07 16:53:49


Brock Palen
www.umich.edu/~brockp
Center for Advanced Computing
brockp_at_[hidden]
(734)936-1985

On Apr 7, 2010, at 4:51 PM, Brice Goglin wrote:

> Brock Palen wrote:
>> [brockp_at_nyx0809 INTEL]$ lstopo -
>> System(79GB)
>> Misc0
>> Node#0(10GB) + Socket#1 + L3(8192KB)
>> L2(256KB) + L1(32KB) + Core#0 + P#0
>> L2(256KB) + L1(32KB) + Core#1 + P#1
>> L2(256KB) + L1(32KB) + Core#2 + P#2
>> L2(256KB) + L1(32KB) + Core#3 + P#3
>> Node#1(10GB) + Socket#0 + L3(8192KB)
>> L2(256KB) + L1(32KB) + Core#0 + P#4
>> L2(256KB) + L1(32KB) + Core#1 + P#5
>> L2(256KB) + L1(32KB) + Core#2 + P#6
>> L2(256KB) + L1(32KB) + Core#3 + P#7
>> Misc0
>> Node#2(10GB) + Socket#3 + L3(8192KB)
>> L2(256KB) + L1(32KB) + Core#0 + P#8
>> L2(256KB) + L1(32KB) + Core#1 + P#9
>> L2(256KB) + L1(32KB) + Core#2 + P#10
>> L2(256KB) + L1(32KB) + Core#3 + P#11
>> Node#3(10GB) + Socket#2 + L3(8192KB)
>> L2(256KB) + L1(32KB) + Core#0 + P#12
>> L2(256KB) + L1(32KB) + Core#1 + P#13
>> L2(256KB) + L1(32KB) + Core#2 + P#14
>> L2(256KB) + L1(32KB) + Core#3 + P#15
>> Misc0
>> Node#4(10GB) + Socket#5 + L3(8192KB)
>> L2(256KB) + L1(32KB) + Core#0 + P#16
>> L2(256KB) + L1(32KB) + Core#1 + P#17
>> L2(256KB) + L1(32KB) + Core#2 + P#18
>> L2(256KB) + L1(32KB) + Core#3 + P#19
>> Node#5(10GB) + Socket#4 + L3(8192KB)
>> L2(256KB) + L1(32KB) + Core#0 + P#20
>> L2(256KB) + L1(32KB) + Core#1 + P#21
>> L2(256KB) + L1(32KB) + Core#2 + P#22
>> L2(256KB) + L1(32KB) + Core#3 + P#23
>> Misc0
>> Node#6(10GB) + Socket#7 + L3(8192KB)
>> L2(256KB) + L1(32KB) + Core#0 + P#24
>> L2(256KB) + L1(32KB) + Core#1 + P#25
>> L2(256KB) + L1(32KB) + Core#2 + P#26
>> L2(256KB) + L1(32KB) + Core#3 + P#27
>> Node#7(10GB) + Socket#6 + L3(8192KB)
>> L2(256KB) + L1(32KB) + Core#0 + P#28
>> L2(256KB) + L1(32KB) + Core#1 + P#29
>> L2(256KB) + L1(32KB) + Core#2 + P#30
>> L2(256KB) + L1(32KB) + Core#3 + P#31
>>
>> I don't know why they are all labeled Misc0 but it does see the
>> extra
>> layer.
>>
>> If you want other information let me know.
>
> Great, there are probably some distance information in sysfs.
>
> Can you send the output of
> cat /sys/devices/system/node/node*/distance

Sure:
[root_at_nyx0809 ~]# cat /sys/devices/system/node/node*/distance
10 20 254 254 254 254 254 254
20 10 254 254 254 254 254 254
254 254 10 20 254 254 254 254
254 254 20 10 254 254 254 254
254 254 254 254 10 20 254 254
254 254 254 254 20 10 254 254
254 254 254 254 254 254 10 20
254 254 254 254 254 254 20 10

>
> Brice
>
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