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Alex Rivera
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How much is read from ThreadLocal variable slower than from regular field? More concretely is simple object creation faster or slower than access to ThreadLocal variable? I assume that it is fast enough so that having ThreadLocal<MessageDigest> instance is much faster then creating instance of MessageDigest every time. But does that also apply for byte[10] or byte[1000] for example? Edit: Question is what is really going on when calling ThreadLocal 's get? If that is just a field, like any other, then answer would be "it's always fastest", right?
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