Efficiency with c++

This is a discussion on Efficiency with c++ within the C++ Programming forums, part of the General Programming Boards category; Originally Posted by cpjust But it sounds like this program is I/O bound, not CPU bound. Would changing the priority ...

  1. #16
    C++まいる!Cをこわせ! Elysia's Avatar
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    Quote Originally Posted by cpjust View Post
    But it sounds like this program is I/O bound, not CPU bound. Would changing the priority make a difference for an I/O bound process?
    I don't know. I can't say for sure.
    I can only say that usually when resources are hogged, priorities do help.
    Quote Originally Posted by Adak View Post
    io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
    Quote Originally Posted by Salem View Post
    You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.

    Outside of your DOS world, your header file is meaningless.

  2. #17
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    Is there a way to change the I/O priority, kind of like there is for changing the CPU priority?

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    For Vista, yes. For XP, no. For Linux, most likely yes.
    Quote Originally Posted by Adak View Post
    io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
    Quote Originally Posted by Salem View Post
    You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.

    Outside of your DOS world, your header file is meaningless.

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