memory-alignment

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Why memory alignment of 4 is needed for efficient access?

I understand why data n开发者_StackOverfloweed to be aligned (and all the efforts made to accomplish it like padding) so we can reduce the number of memory accesses but this assumes that processor jus[详细]

2022-12-28 04:14 分类：问答
Should boost library be dependent on structure member alignments?

I found, the hard way, that at least boost::program_options is dependent of the compiler configured structure member alignment.[详细]

2022-12-27 23:17 分类：问答
x86 opcode alignment references and guidelines

I\'m generating some opcodes dynamically in a JIT compiler and I\'m looking for guidelines for opcode alignment.[详细]

2022-12-24 16:17 分类：问答
VirtualAlloc alignment

Will the memory block returned by VirtualAlloc always be 开发者_开发技巧aligned with the page size?In other words, will the modulus always be zero of the return value from VirtualAlloc and the page si[详细]

2022-12-19 12:59 分类：问答
How to ensure a member is 4-byte aligned?

In order to use OSAtomicDecrement (mac-specific atomic operation), I need to provide a 4-byte aligned SInt32.[详细]

2022-12-18 09:11 分类：问答
C Function alignment in GCC

I am trying to byte-align a function to 16-byte boundary using the \'aligned(16)\' attribute. I did the following:void__attribute__((aligned(16)))function() {}[详细]

2022-12-14 07:25 分类：问答
How to allocate and free aligned memory in C

How do you allocate memory that\'s aligned to a specific boundary in C (e.g., cache line boundary)?I\'m looking for malloc/free like implementation that ideally would be as portable as possible --- at[详细]

2022-12-14 01:22 分类：问答
SSE2 - 16-byte aligned dynamic allocation of memory

EDIT: This is a followup to SSE2 Compiler Error This is the real bug I experienced before and have reproduced below by changing the _mm_malloc statement as Michael Burr suggested:[详细]

2022-12-13 12:24 分类：问答
Cache Line Alignment (Need clarification on article)

I开发者_如何转开发\'ve recently encountered what I think is a false-sharing problem in my application, and I\'ve looked up Sutter\'s article on how to align my data to cache lines. He suggests the fol[详细]

2022-12-11 19:55 分类：问答