Discussion at: https://gcc.gnu.org/pipermail/libstdc++/2021-February/052043.html
This patch set includes the uncontroversial parts that improve performance but don't otherwise change ABI. Please note we still need to decide on how to deal with the future ABI break. Thiago Macieira (3): Atomic __platform_wait: accept any 32-bit type, not just int std::latch: reduce internal implementation from ptrdiff_t to int barrier: optimise by not having the hasher in a loop libstdc++-v3/include/bits/atomic_wait.h | 7 ++++--- libstdc++-v3/include/std/barrier | 10 +++++----- libstdc++-v3/include/std/latch | 4 ++-- 3 files changed, 11 insertions(+), 10 deletions(-) -- 2.30.1
