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Guy Harris (talk | contribs) m Guy Harris moved page Lightweight Kernel Operating System to Lightweight kernel operating system: Fix capitalization - this is a phrase that describes a type of operating system, not a name for a particular operating system. |
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== Characteristics ==
Although it is surprisingly difficult to exactly define what a lightweight kernel is,<ref>
{{cite
date=June 2015 |doi=10.1145/2768405.2768414 |chapter-url=https://dl.acm.org/citation.cfm?id=2768414 |accessdate=19 October 2019|isbn=9781450336062 |s2cid=11698915 }}</ref>
* Targeted at massively parallel environments composed of thousands of processors with distributed memory and a tightly coupled network.
* Provide necessary support for scalable, performance-oriented scientific applications.
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== Future ==
The last supercomputers running lightweight kernels are the remaining IBM [[Blue Gene|Bluegene]] systems running [[CNK operating system|CNK]]. A new direction for lightweight kernels is to combine them with a
full-featured OS, such as Linux, on a many-core node. These
omitted in lightweight kernels. By combining the two, users get the Linux features they need but also the deterministic behavior and scalability of lightweight kernels.
== References ==
{{Reflist}}
{{Supercomputer operating systems}}
[[Category:Supercomputer operating systems]]
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