instruction-level parallelism


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instruction-level parallelism

Executing two or more instructions simultaneously in a computer-based device. Instruction-level parallelism (ILP) is dependent on the problem being solved; for example, graphics and video processing have a high degree of parallelism. See parallel computing, multithreading and multicore.
References in periodicals archive ?
Many compiler optimizations such as data flow analysis, loop transformations, the exploitation of instruction-level parallelism, and memory disambiguation are simpler, more efficient, or only applicable when the control flow graph of the program is reducible.
For example, a particular loop may have a large degree of instruction-level parallelism, so each thread will require a large number of renaming registers and functional units.
This line of research is more evolutionary than revolutionary, but because of its importance we can expect considerable resources will be expended to increase the degree of instruction-level parallelism from the current figure of about four instructions at a time to 3-4 times that number.

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