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A comment on I translated a simple C program to x86_64 and it was slower. Parent comment

Re:I translated a simple C program to x86_64 and it was slower by heeen2 on Sunday April 26, 2020 @05:37AM (#22985866)
Maybe because the cpp version includes stdlib on top of stdio?
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Re:I translated a simple C program to x86_64 and it was slower by MaxBarraclough on Sunday April 26, 2020 @07:56AM (#22986483)
Ah, of course. So the problem doesn't involve any real allocations, and it's just the language overhead that we're seeing.
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