Process Management for Highly Parallel Unix Systems
Process Management for Highly Parallel Unix Systems
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In our eReader you can find the full English version of the book. Read Process Management for Highly Parallel Unix Systems Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Process Management for Highly Parallel Unix Systems
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Group-preemptable The members may only be preempted or rescheduled at (approximately) the same time. Non-preemptable The members are immune from normal preemption. Our notion of group-preemption is similar to Ousterhout's coscheduling of task forces 10uster82], but is concerned with preemption rather than blocking. Since it is necessary for all members of a group-preemptable or non-preemptable group to execute simultaneously, it must be possible to meet their combined resource requirements. It ...is obvious that uniprocessors can't provide these new scheduling policies for groups containing more than one process, but multiprocessors also have a finite supply of processors and memory, and since spawning a new pro- cess into such a group or requesting more memory are operations that increase the resource requirements of the group, it is possible for them to fail. To avoid this problem, wc must provide for long term alloca- tion of processors and memory. Long term resource allocations, group-preemption, and non-preemption are restricted by system administrative policy and implemented by a long-term component of the Page 6 Process Management for Highly Parallel UNIX UCN 136 scheduler.
What to read after Process Management for Highly Parallel Unix Systems?
You can find similar books in the "Read Also" column, or choose other free books by Jan Edler to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Group-preemptable The members may only be preempted or rescheduled at (approximately) the same time. Non-preemptable The members are immune from normal preemption. Our notion of group-preemption is similar to Ousterhout's coscheduling of task forces 10uster82], but is concerned with preemption rather than blocking. Since it is necessary for all members of a group-preemptable or non-preemptable group to execute simultaneously, it must be possible to meet their combined resource requirements. It ...is obvious that uniprocessors can't provide these new scheduling policies for groups containing more than one process, but multiprocessors also have a finite supply of processors and memory, and since spawning a new pro- cess into such a group or requesting more memory are operations that increase the resource requirements of the group, it is possible for them to fail. To avoid this problem, wc must provide for long term alloca- tion of processors and memory. Long term resource allocations, group-preemption, and non-preemption are restricted by system administrative policy and implemented by a long-term component of the Page 6 Process Management for Highly Parallel UNIX UCN 136 scheduler.
What to read after Process Management for Highly Parallel Unix Systems?
You can find similar books in the "Read Also" column, or choose other free books by Jan Edler to read onlineMoreLess
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