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var %in% vec bmerge is slow #2366
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I have executed some tests and come to the following conclusion why it has nothing to do with Details:
What can be done about it?
Cheers, |
Closely related: #1880 |
I have done more testting and found a possible solution:
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I re-run @MarkusBonsch benchmark as 20 threads
1 thread
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I was looking at the benchmark in ycw's answer on SO, and ran into ...
I would expect one join to be better than two, but actually it's worse (onej vs ycwj).
The bigger issues is that
x %in% c("A", "B")
is so slow, considering it uses the index for a bmerge just like the others do.Maybe I'm missing something here..?
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