What is -wise in phrases or words that end with it? How do we use it correctly?
Floor is obscenely expensive computational-wise.
I found a similar thread here but I don't understand much.
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The question you referred to in yours gives more usage notes on when you should use the "-wise" suffix, but not so much in terms of what it means. In this case, "wise" is supposed to serve as a suffix which means:
with reference to: profitwise ; businesswise
The example you quoted would be less ambiguous if they had used "computation-wise". (Computational-wise seems ungrammatical to me). That is, the sentence is saying that:
Floor is obscenely expensive [in terms of] computation
Floor is obscenely expensive computationally
To quote a different source from the cited question, I'll use Dictionary.com:
a suffixal use of wise - in adverbs denoting manner, position, direction, reference, etc.: counterclockwise; edgewise; marketwise; timewise.
To simplify this definition, you can think of -wise as "in the direction of", "in the manner of" or "with regard to", depending on the situation.
The sentence you provided falls obviously in the third case.
Clockwise means in relation to a clock.
Floor is obscenely expensive computational wise.
It's not a very well written sentence, but it means the "floor" operation is obscenely expensive in relation to computation.
"by means of" or "in the manner of" or "via".
A piecewise function is one that is analyzed piecewise, i.e., in pieces, because its discontinuities prevent analysis as a whole.
I would not accept "computational-wise" as grammatical; "computation-wise" would be the expected form, but it would be simpler and more idiomatic to just say "computationally".
-wise is a prefix used to:
Computational-wise means "in terms of computation."
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