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This reduces the core size for the inner loop of two by 10 terms.
* Use the "shifted hash" approach. * Create a variant `two'` that can be used to address #468.
Just to be safe.
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After some additional benchmark runs und more staring at the Core diffs, I've become less convinced that this is clear-cut improvement. While I'm fairly convinced that the inner loop of On the other hand, it may matter that the allocation of the new Leaf is now inlined into the calling function. |
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(Extracted from #521)
This speeds up
fromListabout 1–2% and prepares the ground for #520.