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Difference between revisions of "User talk:Belal/Memory research"
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(Created page with '==Notes, string alignment== "the ints are two bytes each, yet the string starts at offset 0x8, implying something in it requires four-byte alignment" - in almost all cases, point…') |
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==Notes, string alignment== | ==Notes, string alignment== | ||
| − | "the ints are two bytes each, yet the string starts at offset 0x8, implying something in it requires four-byte alignment" - in almost all cases, pointers are aligned to 32-bit boundaries; failure to align a pointer could result in either significant performance degradation or an outright crash (depending on the CPU in question), so all sane compilers force them to be DWORD-aligned. --[[User:Quietust|Quietust]] 22:46, 22 February 2010 (UTC) | + | "the ints are two bytes each, yet the string starts at offset 0x8, implying something in it requires four-byte alignment" - in almost all cases, pointers are aligned to 32-bit boundaries; failure to align a pointer could result in either significant performance degradation or an outright crash (depending on the CPU in question), so all sane compilers force them to be DWORD-aligned. Also, the integer types are almost certainly "short", as "int" is almost always 32 bits wide. --[[User:Quietust|Quietust]] 22:46, 22 February 2010 (UTC) |
Latest revision as of 22:49, 22 February 2010
Notes, string alignment[edit]
"the ints are two bytes each, yet the string starts at offset 0x8, implying something in it requires four-byte alignment" - in almost all cases, pointers are aligned to 32-bit boundaries; failure to align a pointer could result in either significant performance degradation or an outright crash (depending on the CPU in question), so all sane compilers force them to be DWORD-aligned. Also, the integer types are almost certainly "short", as "int" is almost always 32 bits wide. --Quietust 22:46, 22 February 2010 (UTC)