Easton Man's Channel
15:06 · Dec 31, 2025 · Wed
Daniel Lemire's blog
By how much does your memory allocator overallocate?
Telegraph
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Telegraph
By how much does your memory allocator overallocate?
How much virtual memory does the following C++ expression allocate on the heap? new char[4096] The answer is at least 4 kibibytes but surely more. Firstly, each heap memory allocation requires some memory to keep track of what has been allocated. You are…
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