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Which architecture to call Non-uniform memory access (NUMA)? According to wiki: Non-uniform memory access (NUMA) is a computer memory design used in multiprocessing, where the memory access time depends on the memory location relative to a processor But it
What is -lnuma and what program uses it for compilation? The build script can't find the numa library - NUMA (Non Uniform Memory Access) The -l option tells the linker to link the library, but your system ether doesn't have the right one installed or your search path for the linker is incomplete wrong Try querying your package-manager (apt or rpm) for a package libnuma
caching - Whats the difference between Sub-NUMA Clustering and . . . You can simplify Quadrant and Hemisphere modes as a kind of "automagic" SNC (Sub NUMA Clustering) for non-NUMA aware software but it's not exactly like that This Xeon Phi (KNL) presentation, this Intel's patent and your original 4th generation Xeon Scalable product overview helped me link the pieces together Core counts in mainstream Xeon Scalable processors are approaching the core counts
How do I know if my server has NUMA? - Stack Overflow Hopping from Java Garbage Collection, I came across JVM settings for NUMA Curiously I wanted to check if my CentOS server has NUMA capabilities or not Is there a *ix command or utility that could
windows - NUMA - Local memory - Stack Overflow When you boot it up, the total system memory is the total memory in the machine So any program can access all the memory regardless of where it is But since some memory regions are faster depending on whether it's local to the core that's accessing it, it is NUMA – Mysticial CommentedOct 21, 2011 at 14:38 2
Should I worry about NUMA in one CPU system? - Stack Overflow The IBM Power7 has a slightly NUMA L3 cache, but access to main memory is still uniform Many of the multi-socket motherboard systems are NUMA where each socket has its own bank of local and fast memory You can choose to populate only one socket, but then it's no longer NUMA So no, if there's only CPU, then you don't need to worry about NUMA
Should I disable NUMA if my application is not NUMA-Aware If I understand correctly, turning NUMA on cannot harm the performance If your application is not NUMA aware, accesses will be managed by the OS, so might be across NUMA nodes or might be on the same one - depending on what other pressures the OS has, how much memory CPU you're using, etc The OS will try to get your data fast If you have it turned off, the OS doesn't know enough to even