[concurrency-interest] concurrency puzzle

Peter Veentjer alarmnummer at gmail.com
Tue Sep 12 15:06:03 EDT 2006

I you look at the following documentation:


They talk about cache invalidation:
if a lock is obtained, the cache is invalidated.

So occording to this documentation, the write x=20 could get lost if
it isn't flushed to main memory and this makes 0 a possible output

So what should I believe?

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