Numa Support In Linux

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Linux Scalability Effort: NUMA Group Homepage

    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 ...

numa(7) - Linux manual page

    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 ...

Linux Support for NUMA Hardware - Linux kernel

    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

Non-uniform memory access - Wikipedia

    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 …

GitHub - numactl/numactl: NUMA support for Linux

    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.

NUMA Support on SUSE LINUX Enterprise Server Support SUSE

    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.

linux kernel - Enabling NUMA for Intel Core i7 - Unix ...

    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.

Chapter 9. NUMA Red Hat Enterprise Linux 6 Red Hat ...

    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 …

Red Hat Linux NUMA Support for HP ProLiant Servers

    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 …

What is NUMA? — The Linux Kernel documentation

    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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