Let’s assume one writer calls
write(1) , potentially multiple times.
I understand that result of calling just foo.x is not defined under JMM (it could be 0, it could be 1). However:
foo.y // this returns 1
According to the full-fence characteristics of volatile read, foo.x is
guaranteed to be 1. How is this achieved? Let’s assume x is on a different cache-line or is stored in local registers?
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