[Bug libstdc++/113046] Standard algorithms should do de-iterator optimizations

2023-12-17 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113046 Jonathan Wakely changed: What|Removed |Added Resolution|--- |DUPLICATE Status|UNCONFIR

[Bug libstdc++/113046] Standard algorithms should do de-iterator optimizations

2023-12-16 Thread unlvsur at live dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113046 --- Comment #1 from cqwrteur --- -Os optimization could observe the issue more clearly. The number of instructions reduced 51.94%, which is huge. https://godbolt.org/z/Eh1P1vvo5 I guarantee you this will improve the overall performance of C++ f