Parallel Operating Systems Software

Parallel Operating Systems Software

Parallel operating systems (OSs) are written for computers using two or more processors (called nodes), and where such processors are usually nearby each other, and usually linked via buses, and not networks. Parallel computers can run many types of programs far faster than normal one-processor computers, depending on the type of problem being computed.Parallel computing is similar to distributed computing. Both involve dividing problems into pieces and assigning each part to one or more processors. Parallel computer nodes usually communicate with each other heavily during computations; distributed computer nodes usually communicate with each other lightly during computations, often because they are varying distances apart. Sites related to distributed computing are in Computers/Computer_Science/Distributed_Computing.

Top: Computers: Software: Operating Systems: Parallel

See Also:

Parallel Systems Group - University of Toronto researchers working on all aspects of parallel systems: computer architecture, OSs, compilers, performance evaluation, applications. Home of Hurricane and Tornado OSs, Hector and NUMAchine multiprocessors.
Cosy - Goal: scalability of highly parallel multicomputer systems. Based on small microkernel that does process management, interprocess communication; all other services are processes out of kernel. Processes and address spaces orthogonal, so Cosy process is li

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