How Much Linear Memory Access Is Enough? Typical

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How Much Linear Memory Access Is Enough?

Typical performance advice for memory access patterns is "keep your data contiguous". When you think about it, this must have diminishing returns.

I tried to experimentally find generalizable guidelines and it seems like 128 kB is enough for most cases. I wasn't able to find anything needing more than 1 MB really (within the rules).
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How Much Linear Memory Access Is Enough? | Solidean

From <1 kB to ~1 MB: experimentally bounding required contiguity by per-element work

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