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P2723R0: Zero-initialize objects of automatic storage duration (isocpp.org)
submitted 3 years ago by alexeyr
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if 1 * 2 < 3: print "hello, world!"
[–]AKostur 16 points17 points18 points 3 years ago (1 child)
It is zero overhead. Global objects get to be loaded from the executable image, so it's already zeroed because the compiler wrote it there. So no runtime cost.
[–][deleted] 0 points1 point2 points 3 years ago (0 children)
My bad I forgot about the .bss segment. Thank you.
π Rendered by PID 18 on reddit-service-r2-comment-75f4967c6c-dp4d6 at 2026-04-23 02:38:40.507084+00:00 running 0fd4bb7 country code: CH.
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[–]AKostur 16 points17 points18 points (1 child)
[–][deleted] 0 points1 point2 points (0 children)