[Bug libstdc++/62045] __gnu_pbds::priority_queue<int, less<int>, binary_heap_tag> is too slow

[ryxi at stu dot xidian.edu.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62045

--- Comment #6 from Xi Ruoyao <ryxi at stu dot xidian.edu.cn> ---
Created attachment 40941
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40941&action=edit
performance test result with the patch