Can you distribute them? At the very least, run each array on two different servers. If you have more servers, I'm thinking you could slice the arrays, distribute,run SuicideJunkie's algorithm, then recombine and run again. EDIT: whoops, I misunderstood. You are comparing the two arrays. You can't separate them, making my suggesting not so hot :)

In reply to Re: Compare 2 very large arrays of long strings as elements by johnny_carlos
in thread Compare 2 very large arrays of long strings as elements by onlyIDleft

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