Code Tuning

Code Tuning Techniques Most examples from Code Complete 2

Tuning Code ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tuning Code ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logical Approaches: Stop Testing Once You Know the Answer ,[object Object],[object Object],[object Object],[object Object],[object Object]

Logical Approaches: Stop Testing Once You Know the Answer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logical Approaches: Order Tests by Frequency ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logical Approaches: Use Lookup Tables ,[object Object],[object Object],1 1 B A 1 C 2 2 3 2 0

Logical Approaches: Use Lookup Tables ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],1 1 B A 1 C 2 2 3 2 0

Logical Approaches: Use Lookup Tables ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],1 1 B A 1 C 2 2 3 2 0

Logical Approaches: Lazy Evaluation ,[object Object],[object Object],[object Object]

Tuning Loops: Unswitching ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tuning Loops: Jamming ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tuning Loops: Unrolling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tuning Loops: Minimizing Interior Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tuning Loops: Sentinel Values ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tuning Loops: Busiest Loop on Inside ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tuning Loops: Strength Reduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transforming Data: Integers Instead of Floats ,[object Object],[object Object],[object Object],[object Object]

Transforming Data: Fewer Array Dimensions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transforming Data: Minimize Array Refs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transforming Data: Use Supplementary Indexes ,[object Object],[object Object]

Transforming Data: Use Caching ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tuning Expressions: Algebraic Identities and Strength Reduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tuning Expressions: Compile-Time Initialization ,[object Object],[object Object],[object Object],[object Object]

Tuning Expressions: Avoid System Calls ,[object Object],[object Object],[object Object],[object Object]

Tuning Expressions: Use Correct Types ,[object Object],[object Object]

Tuning Expressions: Precompute Results ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tuning Expressions: Eliminate Common Subexpressions ,[object Object],[object Object],[object Object],[object Object],[object Object]

Other Tuning: Inlining Routines ,[object Object],[object Object],[object Object],[object Object]

Other Tuning: Recoding in Low-Level Language ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Other Tuning: Buffer I/O ,[object Object],[object Object],[object Object]

Other Tuning: Handle Special Cases Separately ,[object Object],[object Object],[object Object],[object Object]

Other Tuning: Use Approximate Values ,[object Object],[object Object],[object Object]

Other Tuning: Recompute to Save Space ,[object Object],[object Object],[object Object]

Code Tuning

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Code Tuning