Data dependence refers to the scenario where the execution of instructions in a program is contingent on the availability and order of data. It is crucial in optimizing compilers and parallel computing, as it determines how instructions can be reordered or executed in parallel without altering the program's intended outcomes.

Data Dependence

Data dependence

execution of instructions

Availability of data

order of data

optimizing compilers

Parallel computing is a computational approach where multiple processors execute or process an application or computation simultaneously, significantly reducing the time required for complex computations. This technique is essential for handling large-scale problems in scientific computing, big data analysis, and real-time processing, enhancing performance and efficiency.

parallel computing

Instructions reordering

Executing in parallel

intended outcomes

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