Fix share memory collision in multi-communicator case. #196
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Current SHM object name would only use pidHash and ranks as identification, which would collide each other when program runs with multiple communicators. Here we added commId info into pidHash, it makes 'pidHash'es of different communicators keeping in same process will be distincted with each other.
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Current SHM object name would only use pidHash and ranks as
identification, which would collide each other when program runs with
multiple communicators. Here we added commId info into pidHash, it makes
'pidHash'es of different communicators keeping in same process will be
distincted with each other.
More details could be seen here.