Using Virtual Memory in your application

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1. Reserve 2. 行 Commit 不 ? 理 !! !! <strong>Virtual</strong>Alloc((PVOID) (NULL, 99 * 1024, MEM_RESERVE| MEM_COMMIT, PAGE_READWRITE); 100 kB Why ? page size(4KB) 數 : 若不 , NULL
COMMIT • 128 bytes CELLDATA CellData[200][256]; 128 128 * 200 200 * 256 256 = 6,553,600 = 64 64 KB KB 數 , 數 , 浪
Page 1 and 2: Using Virtual Memory in your applic
Page 3 and 4: Win32 理料來 : ms-help://MS
Page 5 and 6: Reserving PVOID buffer=VirtualAllo
Page 7 and 8: 來例 void main(){ // Step 1: 0
Page 9 and 10: COMMIT • 若 , • Reserving ,
Page 11 and 12: Reserve 略 • 留 , . void m
Page 13 and 14: Committing Reserve • Commit ,
Page 15: • 若 5,242,880 5,242,880 Reserve
Page 19 and 20: Commit Exception, 略 Exceptio
Page 21 and 22: 行 , 更 protected … 什 ?
Page 23 and 24: Memory Reset • , RAM 行 . •
Page 25 and 26: • 料 • , 料不了 •
Page 27 and 28: PINT pnData = (PINT) VirtualAlloc(N
Page 29 and 30: End
Page 31 and 32: • GlobalAlloc / LocalAlloc • p
Page 33 and 34: Copy-On On-Write • OS 了例 :
Page 35: instance 更 shared shared 料 Cop

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