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jakestevens2
searching PlanetScale…
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3 ms
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by
jakestevens2
7mo ago
Nice! But that doesn’t answer the question. Do these optimizations don’t scale to multi-device workloads or not?
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jakestevens2
7mo ago
Since you're using GH200s for these optimizations you're restricted to single device workloads (since GH series are SOC architecture). Kimi K2 (and many other large MoE models) requires multiple devices. Does that mean you can
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jakestevens2
1y ago
See my other comments about static profiling of kernels. There are ways of improving the search that keep runtime at the heart of it.
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jakestevens2
1y ago
See my comment on a deeper thread about this. Eventually we will implement static profiling for common kernels so the search doesn't actually have to manually run all of them; many will have a known runtime that we can tie to them.
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jakestevens2
1y ago
Not today but we will implement memoization of kernels for each hardware backend, yes.
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jakestevens2
1y ago
Met the CEO of Zed. Very humble and deeply technical. Glad to see they're doing well!
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jakestevens2
1y ago
You can also set a time budget for how long you'd like the search to run for to avoid wasting time on diminishing returns.
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jakestevens2
1y ago
That depends on the model architecture and how it was written since that informs the size of the search space. The typical range is 10 mins to 10 hours. It won't be fast but you only have to do it once and then those optimizations are
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jakestevens2
1y ago
Your description is exactly right. We create a search space of all possible kernels and find the best ones based on runtime. The best heuristic is no heuristic. This obviously creates a combinatorial problem that we mitigate with smarter se
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How to deal with losing an early customer?
3 points
by
jakestevens2
6y ago
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