What Is the Critical Path Method?
The critical path is the logical path with the longest delay from input to output in the design. Optimizing critical paths is an effective way to increase the speed of your design work. In general, the delay from input to output depends on the maximum delay path that the signal passes through, and has nothing to do with other paths with small delay. The critical path method can be used repeatedly in the optimization design process until it is impossible to reduce the critical path delay. Synthesizers and design analyzers in EDA tools usually provide critical path information for designers to improve the design and speed. [1]
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- The critical path method is a method for determining the completion date and the total construction period of a project by finding the critical path and its length of time.
- According to the different drawing methods, the critical path method can be divided into two types: arrow map (ADM) and leading map (PDM).
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- In project management, the basic idea of compiling a network plan is to find the critical path in a huge network map, prioritize resources for key activities, tap potential, and take corresponding measures to minimize the time required. For the activities of the non-critical path, as long as the appropriate human, material and financial resources are extracted and used on the critical path without affecting the completion time of the project, the purpose is to shorten the construction period and reasonably use the resources. During the execution of the plan, the focus of work can be clarified, and key activities can be effectively controlled and scheduled.
- The critical path method is mainly a network diagram based on a single point time estimation and a strict order. Its emergence has provided important assistance to the project, especially the graphical display of the project and its main activities. These quantitative information provide an extremely important basis for identifying potential project delay risks. [3]