Valery Mironov

WIP

3

### Purpose ~~Please use labels for this PR~~ ~~Please describe the changes in this PR for reviewers~~ ### Related Information - [ ] Design document: ... - [ ] Bench...

Is it expected such test doesn't work with sanitizer?

5

### Describe the issue reserve to smaller than size capacity makes unsigned overflow in reset_reserved_growth ```cpp void reset_reserved_growth(size_t reservation, size_t size) { reserved_growth_ = reservation - size; } ``` ```cpp...

https://github.com/abseil/abseil-cpp/blob/master/absl/crc/internal/crc_internal.h#L171 I cannot find in source who use this function (not used in source or tests or benchmarks). But because of it vector and memory included. Maybe remove it and...

https://github.com/lemire/simdcomp/issues/27

Example ``` task1: start execution on thread_pool 1 lock mutex critical section 1 unlock mutex continue execution on thread_pool 1 task2: start execution on thread_pool 2 lock mutex critical section...

Add cross platform timegm

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https://github.com/boostorg/chrono/issues/42

timegm

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Why is there no something like `boost::chrono::*something*::timegm(std::tm *)`? At the same time, chrono use `timegm` in `time_point_io.hpp` If there are no objective reasons for this, I would like to write...

Well in such case std::vector will be faster in allocate new buffer and moves old values