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https://www.kernel.org/doc/ols/2003/ols2003-pages-169-184.pdf
2 Linux NUMA Support The basic infrastructure for supporting NUMA hardware has been incorporated into the Linux 2.5 development kernel. This support in-cludes topology discovery and internal repre-sentation, memory allocation, process schedul-ing, and timer support. In addition there are kernel extensions in support of NUMA that
http://lse.sourceforge.net/numa/
Linux Support for NUMA Hardware Large count multiprocessors are being built with non-uniform memory access (NUMA) times - access times that are dependent upon where within the machine a piece of memory physically resides.
https://github.com/numactl/numactl
56 rows · Aug 05, 2014 · Simple NUMA policy support. It consists of a numactl program to run other …
http://man7.org/linux/man-pages/man7/numa.7.html
NUMA system calls The Linux kernel implements the following NUMA-related system calls: get_mempolicy(2), mbind(2), migrate_pages(2), move_pages(2), and set_mempolicy(2). However, applications should normally use the interface provided by libnuma; see "Library Support" below.
https://www.kernel.org/doc/html/latest/vm/numa.html
In addition, for some architectures, again x86 is an example, Linux supports the emulation of additional nodes. For NUMA emulation, linux will carve up the existing nodes–or the system memory for non-NUMA platforms–into multiple nodes. Each emulated node will manage a fraction of the underlying cells’ physical memory.
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/virtualization_tuning_and_optimization_guide/chap-virtualization_tuning_optimization_guide-numa
This behavior is no longer the case with recent x86 processors. In Non-Uniform Memory Access (NUMA), system memory is divided into zones (called nodes), which are allocated to particular CPUs or sockets. Access to memory that is local to a CPU is faster …
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