Hi, > >I am looking for simple dynamic memory allocation management for > >LPC213x. > > > In C you may use malloc(), alloc() and free. In many cases this is a simple thing to do, but it's probably not the best thing you can do. I would hazard a guess that most implementations of these functions in standard offerings are rather poor. They will have low code overhead, use memory efficiently, and have O(n) performance when n is the number of blocks in the free list. They will suffer from fragmentation, of course. You'll probably want to replace that with a system that suits your needs--ones that are fast require more memory or waste memory in each allocated block. Ones that two to conserve memory will be slow. The ones provided by compiler libraries will be ones that satisfy the needs of the C standard and programs in general, and won't serve the needs of all users. Hybrid schemes are attractive, with small blocks that are allocated and deallocated frequently using a different manager from blocks that are big (for some definition of big). Having written many memory managers in my time, for interpreted and compiled languages, there is no one solution for any application. -- Paul Curtis, Rowley Associates Ltd http://www.rowley.co.uk CrossWorks for MSP430, ARM, AVR and now MAXQ processors
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RE: [lpc2000] Simple heap
2006-01-18 by Paul Curtis
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