memory-alignment

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aligned malloc() in GCC?

Is there any standardized function in GCC or glibc to allocate memory block at aligned po开发者_如何学编程inter?[详细]

2023-01-18 21:15 分类：问答
Why does a struct consisting of a char, short, and char (in that order), when compiled in C++ with 4-byte packing enabled, come to a 6-byte struct?

I thought I understood how C/C++ handled struct member alignment. But I\'m getting strange results for a particular arrangement in Visual Studio 2008 and 2010.[详细]

2023-01-14 23:16 分类：问答
Why does CPU access memory on a word boundary?

I heard a lot that data should be properly aligned in memory for better access efficiency. CPU access memory on a word boundary.[详细]

2023-01-14 21:26 分类：问答
__attribute__((aligned)) - gcc

How will gcc set the alignment for variable/field with __attribute__((aligned)) What about different gcc versions/ different platforms?[详细]

2023-01-14 07:11 分类：问答
How to make tr1::array allocate aligned memory?

You can allocate a std::vector which allocates aligned heap memory by defining your own allocator. You can allocate a c-style array on the stack using declspec align.开发者_运维百科[详细]

2023-01-13 04:33 分类：问答
MIPS memcpy issue (i think)

I have some software that I have working on a redhat system with icc and it is working fine. When I ported the code to an IRIX system running with MIPS then I get some calculations that come out as \"[详细]

2023-01-12 02:23 分类：问答
Memory alignment

I have understood why memory should be aligned to 4 byte and 8 byte based on data width of the bus. But following statement confuses me[详细]

2023-01-11 20:53 分类：问答
Why does this EXC_BAD_ACCESS happen with long long and not with int?

I\'ve run into a EXC_BAD_ACCESS with a piece of code that deals with data serialization. The code only fails on device (iPhone) and not on simulator. It also fails only on certain data types.[详细]

2023-01-06 21:10 分类：问答
Accessing struct members with array subscript operator

Let have a type T and a struct having ONLY uniform elements of T type. struct Foo { T one, T two, T three[详细]

2023-01-05 13:24 分类：问答
Casting a byte array to a struct pointer depends on endianness or memory alignment?

Suppose this code: unsigned char list[3] = { 1, 2, 3 }; struct _struct{ unsigned char a; unsigned char b;[详细]

2023-01-02 14:45 分类：问答