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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. For optimal performance, the kernel needs to be aware of where memory is located, and keep memory used as close as possible ...
http://man7.org/linux/man-pages/man7/numa.7.html
No standards govern NUMA interfaces. NOTES top The Linux NUMA system calls and /proc interface are available only if the kernel was configured and built with the CONFIG_NUMA option. Library support Link with -lnuma to get the system call definitions. libnuma and the required <numaif.h> header are available in the numactl package. However ...
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
https://en.wikipedia.org/wiki/Non-uniform_memory_access
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 the processor.Under NUMA, a processor can access its own local memory faster than non-local memory (memory local to another processor or memory shared between processors). The benefits of NUMA are limited to particular …
https://github.com/numactl/numactl
Aug 05, 2014 · numactl. Simple NUMA policy support. It consists of a numactl program to run other programs with a specific NUMA policy and a libnuma shared library ("NUMA API") to set NUMA policy in applications. The libnuma binary interface is supposed to stay binary compatible. Incompatible changes will use new symbol version numbers.
https://www.suse.com/support/kb/doc/?id=3665013
Currently SUSE LINUX Enterprise Server 9 SP3 does not support NUMA under the EM64T architecture. NUMA is however supported under the AMD64 and Itanium architectures. SUSE LINUX Enterprise Server 10 is expected to ship with NUMA support for EM64T.
https://unix.stackexchange.com/questions/92302/enabling-numa-for-intel-core-i7
In Linux kernel, the documentation for CONFIG_NUMA says:. Enable NUMA (Non Uniform Memory Access) support. he kernel will try to allocate memory used by a CPU on the local memory controller of the CPU and add some more NUMA awareness to the kernel.
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 …
https://h50146.www5.hpe.com/products/software/oe/linux/mainstream/support/whitepaper/pdfs/c03261871.pdf
Red Hat Linux NUMA Support for HP ProLiant Servers ... NUMA servers The Linux kernel gained support for cache-coherent Non-Uniform Memory Access (NUMA) systems in the Linux 2.6 release series. The kernel's support for NUMA systems has continued to evolve over the lifespan of …
https://www.kernel.org/doc/html/latest/vm/numa.html
What is NUMA?¶ This question can be answered from a couple of perspectives: the hardware view and the Linux software view. From the hardware perspective, a NUMA system is a computer platform that comprises multiple components or assemblies each of which may contain 0 or more CPUs, local memory, and/or IO buses.
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