Heap is a surname. Notable people with the surname include
Heap may refer to:
The Heap is the name of several fictional comic book muck-monsters, the original of which first appeared in Hillman Periodicals' Air Fighters Comics #3 (Dec. 1942), during the period fans and historians call the Golden Age of Comic Books. The character was created by writer Harry Stein and artist Mort Leav, and revived in the 1980s by Eclipse Comics.
Similar but unrelated characters appeared in comics stories published by Skywald in the 1970s and Image Comics in the 1990s.
Following its debut Air Fighters Comics #3 (cover-dated Dec. 1942), the Heap reappeared as a guest character sporadically in that title. With its fourth appearance, in the by-then re-titled Airboy Comics vol. 3, #9 (Oct. 1946), it became the star of a backup feature. That feature continued until the final issue, vol. 10, #4 (May 1953). Other artists associated with Hillman's Heap include Jack Abel, Paul Reinman, and Ernie Schroeder.
In 1986, Eclipse Comics, having acquired rights to some Hillman characters, began publishing a new Airboy comic with the Heap as a supporting character. The Heap also appeared in the Eclipse title The New Wave, where the creature was considered by some members of that group to be a member. Eclipse Comics went bankrupt and ceased operations in the 1990s. Image Comics purchased the Eclipse assets, including the Heap.
Memory management is the act of managing computer memory at the system level. The essential requirement of memory management is to provide ways to dynamically allocate portions of memory to programs at their request, and free it for reuse when no longer needed. This is critical to any advanced computer system where more than a single process might be underway at any time.
Several methods have been devised that increase the effectiveness of memory management. Virtual memory systems separate the memory addresses used by a process from actual physical addresses, allowing separation of processes and increasing the effectively available amount of RAM using paging or swapping to secondary storage. The quality of the virtual memory manager can have an extensive effect on overall system performance.
The task of fulfilling an allocation request consists of locating a block of unused memory of sufficient size. Memory requests are satisfied by allocating portions from a large pool of memory called the heap or free store. At any given time, some parts of the heap are in use, while some are "free" (unused) and thus available for future allocations.