Memory alignment means that objects and variables reside at particular offsets in the system's memory.
Many C/C++ compilers (including gcc and clang) have a feature called packed structures. It comes in handy for a …
c++ c pointers struct memory-alignmentI always hear that unaligned accesses are bad because they will either cause runtime errors and crash the program or …
performance memory x86 alignment memory-alignmentIt used to be that ARM processors were unable to properly handle unaligned memory access (ARMv5 and below). Something like …
c arm memory-alignmentI understand that gcc has an option -Wcast-align which warns whenever a pointer is cast such that the required alignment …
c memory-alignment gcc-warning typecasting-operatorSuppose I have a struct like this: struct MyStruct { uint8_t var0; uint32_t var1; uint8_t var2; uint8_t …
c++ c struct memory-alignmentI've been reading this article about atomic operations, and it mentions 32bit integer assignment being atomic on x86, as long …
c++ concurrency x86 atomic memory-alignmentAccording to the Wikipedia page Segmentation fault, a bus error can be caused by unaligned memory access. The article gives …
c memory-alignmentIn Noda Time v2, we're moving to nanosecond resolution. That means we can no longer use an 8-byte integer to …
c# .net struct clr memory-alignmentI can understand this requirement for the old PPC RISC systems and even for x86-64, but for the old …
macos memory-alignment callstack calling-convention abi