C + + Memory Management malloc free

Malloc Free

VC6.0 malloc mode

VC10 Memory Call Model

The header is a 16-long array. That's the crtheap.

The first allocated memory block. * (4+1+1+2 (pading)) = 256bytes

In debug mode, additional memory is allocated to hold the data.

Perform ROUND_UP operations

A header is responsible for managing 1 m of memory, relying on two pointers, one pointing to real memory, and one pointing to central administration.

The control center is about 16K in size.

Put 8 4K in series to hang on top of the last linked list. This is similar to the second level configuration in the Space configurator.

Big Idea

More than 1K is the last linked list management

Delaying the recovery of memory

malloc is fast, and allocator is doing this to remove redundancy.

is duplication necessary?

Because each level is afraid to rely on the following set, so they have designed a set of

This is the end of the section, straight. It now seems that malloc's implementation is also using this large area and small memory block different ways of processing.

C + + Memory Management malloc free