2. Agenda
● A PR title : runtime: speed up receive
on empty closed channel
● How channel work
● How the PR do to improve performance
● Analysis
3. A PR title : runtime: speed up receive
on empty closed channel
4. runtime: speed up receive on empty closed channel
Currently, nonblocking receive on an open channel is about
700 times faster than nonblocking receive on a closed channel.
This change makes closed channels equally fast.