Memory Pool Vs Malloc
Benefits
- Memory pools allow memory allocation with constant execution time (no fragmentation). The memory release for thousands of objects in a pool is just one operation, not one by one if malloc is used to allocate memory for each object.
- Memory pools can be grouped in hierarchical tree structures, which is suitable for special programming structures like loops and recursions.
- Fixed-size block memory pools do not need to store allocation metadata for each allocation, describing characteristics like the size of the allocated block. Particularly for small allocations, this provides a substantial space savings.
Drawbacks
- Memory pools may need to be tuned for the application which deploys them.
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