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Tip of the Day
Language: Visual Basic
Expertise: Beginner
Jul 30, 1997

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Don't Create Aliased Variables

Never pass a global variable as an argument to a procedure that also accesses the variable directly. If you're 100 percent sure you adhered to this rule within your application, check the Assume No Aliasing option in the Advanced Optimizations dialog that you invoke from the Compile tab of the Project Properties dialog. If the native code compiler knows no aliased variables exist, it can freely cache variable values into faster CPU registers, and store them back to RAM memory only when leaving the procedure. This improves the execution speed of compiled programs.
Francesco Balena
 
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