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how much slower: heap vs stack memory allocation?
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how much slower: heap vs stack memory allocation?# Programming - 葵花宝典
w*y
1
We know that using heap-allocated memory is slower than stack memory. Can
anyone tell me how much slower is the heap memory allocation? A numerical
analysis on a popular implementation would be terrific, e.g., linux. Another
stupid question: after memory allocation, the access to heap memory should
be as fast as to stack memory, right?
Thanks.
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w*y
2
links is here:
http://www.bozemanpass.com/info/linux/malloc/Linux_Heap_Contention.html

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【在 w*******y 的大作中提到】
: We know that using heap-allocated memory is slower than stack memory. Can
: anyone tell me how much slower is the heap memory allocation? A numerical
: analysis on a popular implementation would be terrific, e.g., linux. Another
: stupid question: after memory allocation, the access to heap memory should
: be as fast as to stack memory, right?
: Thanks.

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W*g
4
You are talking about the default heap. You can create your own heap with
certain option to avoid that.
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