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Supercomputer_operating_systems abstract "Since the end of the 20th century, supercomputer operating systems have undergone major transformations, as fundamental changes have taken place in supercomputer architecture. While early operating systems were custom tailored to each supercomputer to gain speed, the trend has been to move away from in-house operating systems to the adaptation of generic software such as Linux.Given that modern massively parallel supercomputers typically separate computations from other services by using multiple types of nodes, they usually run different operating systems on different nodes, e.g. using a small and efficient lightweight kernel such as CNK or CNL on compute nodes, but a larger system such as a Linux-derivative on server and I/O nodes.While in a traditional multi-user computer system job scheduling is in effect a tasking problem for processing and peripheral resources, in a massively parallel system, the job management system needs to manage the allocation of both computational and communication resources, as well as gracefully dealing with inevitable hardware failures when tens of thousands of processors are present.Although most modern supercomputers use the Linux operating system, each manufacturer has made its own specific changes to the Linux-derivative they use, and no industry standard exists, partly due to the fact that the differences in hardware architectures require changes to optimize the operating system to each hardware design.".
Supercomputer_operating_systems thumbnail Pleiades_supercomputer.jpg?width=300.
Supercomputer_operating_systems wikiPageID "34886007".
Supercomputer_operating_systems wikiPageRevisionID "598167688".
Supercomputer_operating_systems hasPhotoCollection Supercomputer_operating_systems.
Supercomputer_operating_systems subject Category:Operating_systems.
Supercomputer_operating_systems subject Category:Supercomputers.
Supercomputer_operating_systems type Artifact100021939.
Supercomputer_operating_systems type Computer103082979.
Supercomputer_operating_systems type Device103183080.
Supercomputer_operating_systems type DigitalComputer103196324.
Supercomputer_operating_systems type Instrumentality103575240.
Supercomputer_operating_systems type Machine103699975.
Supercomputer_operating_systems type Mainframe103711711.
Supercomputer_operating_systems type Object100002684.
Supercomputer_operating_systems type PhysicalEntity100001930.
Supercomputer_operating_systems type Supercomputer104358117.
Supercomputer_operating_systems type Supercomputers.
Supercomputer_operating_systems type Whole100003553.
Supercomputer_operating_systems comment "Since the end of the 20th century, supercomputer operating systems have undergone major transformations, as fundamental changes have taken place in supercomputer architecture.".
Supercomputer_operating_systems label "Supercomputer operating systems".
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Supercomputer_operating_systems sameAs Q7643164.
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Supercomputer_operating_systems wasDerivedFrom Supercomputer_operating_systems?oldid=598167688.
Supercomputer_operating_systems depiction Pleiades_supercomputer.jpg.
Supercomputer_operating_systems isPrimaryTopicOf Supercomputer_operating_systems.