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ID: 23844, NUMA information

by Rune Moberg Email: Anonymous


NUMA detection utility.
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For Delphi, Version 5.0  to 10.0 125 downloads
Copyright: No significant restrictions


Size: 743 bytes
Updated on Sat, 30 Sep 2006 10:19:19 GMT
Originally uploaded on Wed, 16 Nov 2005 06:54:59 GMT
SHA1 Hash: 723D6F1514CB6F3DAC3E221F996E22BED2E7240D
MD5 Hash: BC7C1F6D4FBA60AF327B39B7B0BC3FA7

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Description
See http://microsoft.com/whdc/system/platform/server/datacenter/numa_isv.mspx for a good NUMA introduction.

I needed a small utility to verify that NUMA had been enabled on a couple of servers we have. SiSoft Sandra shows this info, but AFAICT not without running an extensive benchmark first. Running such a benchmark in a production environment is rarely feasible.

The utility will simply enumerate all CPUs, and list which NUMA node each CPU belongs to (and available memory in that node). Inferior CPUs (Intel Xeon) will only show a single node.

Functions used: GetNumaProcessorNode() and GetNumaAvailableMemoryNode().

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