Here's some information about the alignment of a structure. https://stackoverflow.com/questions/381244/purpose-of-memory-alignment Can use the type attribute - packed which is gcc extension Described below https://gcc.gnu.org/onlinedocs/gcc/Common-Type-Attributes.html#Common-Type-Attributes On Sun 30 Sep, 2018, 11:15 PM sundaresh, <sundaresh@xxxxxxxx> wrote: > Why do struct's take up a lot more memory than the sum of the sizes of its > members ? This increases by even a lot more the larger the struct gets . If > the compiler is doing padding or aligning I would like to disable and not > have that at all since it is unnecessarily wasteful of memory ? I > encountered a similar problem when declaring floating point variables > independently outside a struct. The problem becomes worse if these floating > point variables are struct members. > > > > -- > Sent from: http://gcc.1065356.n8.nabble.com/gcc-Help-f629689.html >
