Trillions rows multiplied by a trillion rows P&L: 0 (≃ 0 CNY)

How to write efficient code to multiply two lists of trillion numbers
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Casual application scaled their spreadsheet processing engine to handle a billion records.

I want to try do the work to multiply two lists of trillion numbers.

Fast.

So I only have 16GB RAM but we can page in data gradually while we are processing data. So we do it in batches.

https://www.causal.app/blog/scaling


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