Compute Node Linux
Encyclopedia
Compute Node Linux is a runtime environment based on the Linux kernel
for the Cray XT3
, Cray XT4
, Cray XT5
, Cray XT6
, and Cray XE6
supercomputer
systems based on SUSE Linux Enterprise Server
. CNL forms part of the UNICOS/lc
operating system
from release 2.0 onwards (UNICOS/lc was later renamed Cray Linux Environment). As of November 2008 systems running CNL are ranked 2nd, 7th and 8th among the fastest supercomputers.
Linux kernel
The Linux kernel is an operating system kernel used by the Linux family of Unix-like operating systems. It is one of the most prominent examples of free and open source software....
for the Cray XT3
Cray XT3
The Cray XT3 is a distributed memory massively parallel MIMD supercomputer designed by Cray Inc. with Sandia National Laboratories under the codename Red Storm. Cray turned the design into a commercial product in 2004...
, Cray XT4
Cray XT4
The Cray XT4 is an updated version of the Cray XT3 supercomputer. It was released on November 18, 2006. It includes an updated version of the SeaStar interconnect router called SeaStar2, processor sockets for Socket AM2 Opteron processors, and 240-pin unbuffered DDR2 memory...
, Cray XT5
Cray XT5
The Cray XT5 is an updated version of the Cray XT4 supercomputer, launched on November 6, 2007. It includes a faster version of the XT4's SeaStar2 interconnect router called SeaStar2+, and can be configured either with XT4 compute blades, which have four dual-core AMD Opteron processor sockets, or...
, Cray XT6
Cray XT6
The Cray XT6 is an updated version of the Cray XT5 supercomputer, launched on 16 November 2009. The dual- or quad-core AMD Opteron 2000-series processors of the XT5 are replaced in the XT6 with eight- or 12-core Opteron 6100 processors, giving up to 2,304 cores per cabinet...
, and Cray XE6
Cray XE6
The Cray XE6 is an enhanced version of the Cray XT6 supercomputer, officially announced on 25 May 2010. The XE6 uses the same compute blade found in the XT6, with eight- or 12-core Opteron 6100 processors giving up to 2,304 cores per cabinet, but replaces the SeaStar2+ interconnect router used in...
supercomputer
Supercomputer
A supercomputer is a computer at the frontline of current processing capacity, particularly speed of calculation.Supercomputers are used for highly calculation-intensive tasks such as problems including quantum physics, weather forecasting, climate research, molecular modeling A supercomputer is a...
systems based on SUSE Linux Enterprise Server
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server is a Linux distribution supplied by SUSE and targeted at the business market. It is targeted for servers, mainframes, and workstations but can be installed on desktop computers for testing as well. New major versions are released at an interval of 3-4 years, while...
. CNL forms part of the UNICOS/lc
Unicos
UNICOS is the name of a range of Unix-like operating system variants developed by Cray for its supercomputers. UNICOS is the successor of the Cray Operating System . It provides network clustering and source code compatibility layers for some other Unixes. UNICOS was originally introduced in 1985...
operating system
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...
from release 2.0 onwards (UNICOS/lc was later renamed Cray Linux Environment). As of November 2008 systems running CNL are ranked 2nd, 7th and 8th among the fastest supercomputers.