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page_nocache

About this tag
The page_nocache tag on WindowsForum.com covers discussions about the PAGE_NOCACHE memory allocation flag used with VirtualAlloc and VirtualFree in Windows programming. Topics include performance issues when freeing memory allocated with PAGE_NOCACHE, such as high CPU load during VirtualFree, and comparisons between Windows XP and newer versions. The tag is relevant for developers working with low-level memory management, particularly when dealing with non-cached memory for device drivers or performance-critical applications.
  1. E

    Windows 7 What's wrong with PAGE_NOCACHE in VirtualAlloc/VirtualFree

    Hi, I have this code: // AllocTest.cpp : Defines the entry point for the console application. // #include <windows.h> #include <stdio.h> int main(int argc, char * argv[]) { if ( ! SetProcessWorkingSetSize( GetCurrentProcess(), 1024 * 1024 * 1024 * 1.2, 1024 * 1024 * 1024 * 1.2 ) ) {...
    • erwin
    • Thread
    • coding cpu load debugging memory management page_nocache performance virtualalloc virtualfree windows xp working set
    • Replies: 1
    • Forum: Virtualization
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