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Bottlenecks

Bottleneck is a step within a series of steps that takes the longest time to complete.

Time required to perform a task consisting of several steps may be delayed by the bottleneck step.

Process time cannot be shortened without speeding up the bottleneck.  

Typical bottlenecks:

Cache

RAM

I/O

Video card (particularly for 3-D gaming)

To speed up performance of a system:

Use profiling tools to measure each section’s time taken to complete to determine the bottleneck steps

Improve upon the bottleneck steps

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