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Performance
Amdahl's Law
Diminishing Returns.
The article
If
Optimizing a small part of a system has no impact if the bottleneck is elsewhere.
Then
“Find the 1% of the code that takes 90% of the time. Only optimize that. Ignore the rest.”
Unless
Theory of Constraints
Source
Gene Amdahl, Validity of the Single Processor Approach to Achieving Large Scale Computing Capabilities (AFIPS, 1967).
Go to the sourceSee also