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Subject: Re: Q: Performance for public vs protected data in C++ (OT)

Author: Gerd Isenberg

Date: 06:11:30 10/18/02

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On October 17, 2002 at 19:29:30, Peter Fendrich wrote:

>Is there any reason why 'protected' data should have better performance than
>'public'? What could the compier do with this extra information?
>Peter

Hi Peter,

access qualification has no impact on performance. Another thing are 'const'
functions. The information that a function does not change anything inside this
object permits the compiler to do additional optimizations, eg. holding data
members in registers.

Gerd

• Re: Q: Performance for public vs protected data in C++ (OT) Bo Persson 12:34:12 10/18/02
  • Re: Q: Performance for public vs protected data in C++ (OT) Gerd Isenberg 03:27:09 10/21/02
    • Re: Q: Performance for public vs protected data in C++ (OT) Dieter Buerssner 15:27:33 10/21/02
      • Re: Q: Performance for public vs protected data in C++ (OT) Gerd Isenberg 03:28:39 10/22/02
    • Re: Q: Performance for public vs protected data in C++ (OT) Bo Persson 15:00:47 10/21/02
      • Re: Q: Performance for public vs protected data in C++ (OT) Gerd Isenberg 03:41:43 10/22/02

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