We lost candidates due to recruiter screens like this when I was at Google. Not sure why they persist in doing them http://www.gwan.com/blog/20160405.html …
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My favorite bogus recruiter screen question was "order the these operations by latency". Answer on sheet was 20 years out of date.
We got the question fixed, but our recruiters had been filtering for the literal opposite of what we wanted for years. The opposite. Years.
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Whenever I hear "we can't lower the bar" I find at least one laughable filter in the process; often the literal opposite of what they want.
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The HN comments have Google employees who claim it's implausible this ever happened to anyone, along with employee who says it's common.
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Plus many people who claim similar experiences. Funny how often "works for me" turns into "couldn't possibly have not worked for anyone".
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BTW, policy mandated gdocs for phone screens. Code editors like coderpad, stypi, etc., weren't allowed. I wonder if that's changed.
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On the bright side, at least it's better than the Amazon intake process! https://rajk.me/amazon-interview-experience/ …pic.twitter.com/7feWbU9w86
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Round 2. In round 3, you join a replication of the Milgram obedience experiment. J/k, R3 is the job; it only looks like a Milgram experimentpic.twitter.com/tAhg6zIPzZ
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This is what happens when I refer someone to Microsoft without also forwarding them to a specific hiring manager http://moderndescartes.com/essays/my_ml_path …pic.twitter.com/cY0M5cv7Wm
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What were the operations? Like, CMOS propagation delays vs. TTL, or something like that?
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it was stuff like context switch, branch mispredict, add, divide, cache miss, network round trip, etc.
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I'd think add < branch mispredict < divide < cache miss < context switch < network round trip, but I don't have your level of skill
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It depends. I think infiniband beats the context switch, but typical Linux kernelmode networking has much higher latency.
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Cost of cache invalidation on context switch isn't easy to predict. Syscalls are much cheaper than switching between processes.
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I think we can agree that this sort of question loses 100% of its value when attempting to solicit one right answer
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I don't know, if someone thinks addition is slower than a network round trip, not a serious candidate
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I mean unless it's a 100-kilobit bignum addition, this is like saying "yes" to "have you ever been decapitated?"
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The thing when the *engineer* interviews is that you can save the wrong answer by explaining your way of thought and learn a lot
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Yup. I find it totally bonkers that any successful company has recruiters doing "technical" screens.
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and yet Google is a huge profitable company. It's almost like hiring "The Best of the Best" isn't a requirement for success...
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Microsoft had become this way by the mid 1990s. Q's like "what's diff between an operator and an operand" appearing in phone screens
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operator rhymes with alligator, operand rhymes with contraband.
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"OK, now design Bill Gates's bathroom. Asinine designs involving lasers will show what a pragmatic engineer you are."
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