how can force nsmutabledata reserve contiguous memory, in same section? have fair amout of data arriving piece piece, , performance not satisfactory. total size of data constant.
nsmutabledata should store data contiguously. internally using "stretchy" buffer resized realloc. can create [nsmutabledata datawithlength:];
why not use nsdata if size constant?
also why worrying nsmutabledata performance. did instruments profile show performance problem?
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