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Q. What is Shared Memory Programming?
We know all processors share a common memory in shared memory model. Every processor can be assigned a separate portion of program stored in memory to execute with data stored in specified locations. Every processor does calculation independently with data assigned to them by controlling program known as the main program. After finishing their calculations all of these processors unite the main program. The main program completes only after all child processes have been finished completely. There are plentiful alternatives to apply these ideas by high level programming. Few of them are:
i) Employing heavy weight processes.
ii) Employing threads. (E.g. Pthreads).
iii) Using a totally new programming language for parallel programming (E.g. Ada).
iv) Employing library routines with existing sequential programming language.
v) Editing the syntax of an existing sequential programming language to create a parallel programming language (e.g. UPC).
vi) Using an existing sequential programming language supplemented with compiler directives for specifying parallelism (e.g. OpenMP)
We will take the last alternative. We will also give an introduction to shared programming employing library routines with an existing sequential programming language.
Define the term- Verification It is a way of preventing errors when data is copied from one medium to another (for instance from paper to disk/CD or from memory to DVD, etc.).
what is inheritence and all types in java?
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Calculate the maximum access time that can be permitted for the data and control memories in a TSI switch with a single input and single output trunk multiplexing 2500 channels. Al
1. The missionaries and cannibals problem. Three missionaries and three cannibals are on the left river bank, with a boat that can hold one or two people. If on either side of the
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