All Articles Tagged NUMA

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NUMA Analysis[Forums]
I'm trying to understand how local / remote (is that the correct term for memory on the bus near a CPU vs. on the bus near the other CPU) accesses are affecting the performance of my application. ...

Posted: 2011-06-21 12:04:05		NUMA, vtune
Characterizing Manycore Memory Access[Forums]
(cross-posted from my blog post on the Intel Software Blog):Memory access characteristics in manycore NUMA systems are not always obvious to the programmer. A process may see widely varying latency and...

Posted: 2010-10-26 12:20:23		Many Core Testing Lab, Memory Access, NUMA
How to get distance (hops) between NUMA nodes?[Forums]
Hi! I'm working on a memory allocator that should be optimized for use on NUMA architectures. It tries to take memory from the node where the current thread resides, and if it can't find there,...

Posted: 2010-01-22 05:33:41		memory, NUMA, optimization
Intel(R) MKL NUMA Notes[Knowledgebase]
Introduction: The traditional SMP memory subsystem treated all memory accesses from any processor the same.  In an effort to speed up some transactions, NUMA (Non-Uniform Memory Access) splits up the...

Posted: 2010-02-14 11:30:00 by Gregory Henry (Intel)		Math Kernal Libraries, NUMA
Application's threads layout -- optimal binding of threads to CPUs (cores)[Forums]
I'm looking for general rules of how threads should be assigned (affinitized) to processing units. Even that I can't use any scientific background, I think I can safely state, that when a high performance,...

Posted: 2009-09-23 01:59:26		Affinity-mask, cache, multi core, NUMA