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4
votes
2answers
5k views

Determine PCIe device NUMA node

Assuming fairly recent Linux OS, is there an easy way to determine to which NUMA node the PCIe slot, where a device is plugged in, belongs?
4
votes
1answer
730 views

Mapping of memory addresses to physical modules in Windows XP

I plan to run 32-bit Windows XP on a workstation with dual processors, based on Intel's Nehalem microarchitecture, and triple channel RAM. Even though XP is limited to 4 GB of RAM, my understanding is ...
3
votes
2answers
83 views

Cache coherence literature for big (>=16CPU) systems [closed]

What books and articles can you recommend to learn basis of cache coherence problems in big SMP systems (which are NUMA and ccNUMA really) with >=16 cpu sockets? Something like SGI Altix architecture ...
1
vote
1answer
6k views

Is the amount of NUMA nodes always equal to sockets?

I have used lscpu to check two servers configuration: [root@localhost ~]# lscpu Architecture: x86_64 ...... Core(s) per socket: 1 Socket(s): 1 NUMA node(s): 1 ...
1
vote
2answers
3k views

Should I use NUMA or SMP with Vista 64-bit?

My Dell Precision T5500 workstation has an option in the BIOS for changing the memory mode between SMP and NUMA. Which of these options should I use with Vista 64-bit? Does Vista support NUMA? ...
0
votes
0answers
13 views

Is there any method to free memory of specific NUMA node?

On my RHEL system, I find the memory used is very imbalance: node 0 size: 786251 MB node 0 free: 302932 MB node 1 size: 786431 MB node 1 free: 79388 MB node 2 size: 786432 MB node 2 free: 111653 ...
0
votes
0answers
26 views

Is there a way to run a job exclusively on a chip?

We've got a bunch of large (1TB+) NUMA machines at work and have been getting a lot of noise in benchmarking. We've noticed that run times for our application are very consistent from one run to the ...