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VMware Member of Technical Staff Interview Question

"If there is one spin lock used for N different thread and each thread has its local variable which is just incremented by 1. If these threads are running all together on N cpus will after say 10 seconds the count of all the local variable be same. different? why?"
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Part of a Member of Technical Staff Interview Review - one of 426 VMware Interview Reviews

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As spinlock does not guarantee fairness the answer is the values may be different.

- Interview Candidate on Oct 31, 2013

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