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I would assume that anyone optimizing kernels at Anthropic has full documentation and specs for what they are working on, as well as a personal butler attending

I would assume that anyone optimizing kernels at Anthropic has full documentation and specs for what they are working on, as well as a personal butler attending to their every need. This is big money work - every 1% performance improvement must translate to millions of cost savings. Maybe they specified the challenge in this half-assed way to deliberately test those sorts of skills (even if irrelevant to the job), or maybe it was just lazily put together. The other thing to note is that if you look at what the reference_kernel() is actually doing, it really looks like a somewhat arbitrary synthetic task (hashes, wraparound), so any accurate task specification would really need to be a "line by line" description of the steps, at which point you may as well just say "here's some code - do this".

saagarjha 9mo ago
They do, but documentation is not always complete or correct.
menaerus 9mo ago
In a fast-paced domain such as this one, and especially wrt the (global) competitiveness, development/leadership process is most likely chaotic and "best" practices that we would normally find in other lower-paced companies cannot be followed here. I think that by underspecifiying the assignment they wanted to test the ability of a candidate to fit into such environment, apart from the obvious reason and which is to filter out not enough motivated candidates.
mike_hearn 9mo ago
> as well as a personal butler attending to their every need I think they do and his name is Claude ;)