Alex Guteniev

Alex Guteniev has asked 24 questions and find answers to 79 problems.

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I'm from Kharkiv, Ukraine

How to help Ukraine army: https://savelife.in.ua/en/donate/

Русский военный корабль иди нахуй!

Alex Guteniev questions

Does cmpxchg write destination cache line on failure? If not, is it better than xchg for spinlock?
Has Hardware Lock Elision gone forever due to Spectre Mitigation?
How C++ Standard prevents deadlock in spinlock mutex with memory_order_acquire and memory_order_release?
Why do separate arrive and wait exist in C++20 barrier?
How to use Intel TSX with C++ memory model?
Why is std::mutex so much worse than std::shared_mutex in Visual C++?
Why is std::mutex a standard-layout class?

Alex Guteniev answers

Are here any benefits from using std::unique_ptr?
Intel JCC Erratum - what is the effect of prefixes used for mitigation?
Could type traits be restricted to not accept other type traits as arguments?
unresolved external symbol referenced in function removed by /OPT:REF
Does cmpxchg write destination cache line on failure? If not, is it better than xchg for spinlock?
Lambda capture by value and the "mutable" keyword
Recursive unordered_map
How to write a portable constexpr std::copysign()?
64-bit C++ passing functions with "different" calling conventions as parameters gives ambiguous error
Has Hardware Lock Elision gone forever due to Spectre Mitigation?