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by brianon99
3088 days ago
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Agree that using vector instruction is not crazy at all. I am quite interested when I see the article title, and then deeply disappointed after I read it. I was expecting something like the strlen shown in the book The Hackers Delight, which loads 4 bytes into a int, ad then some bit masking and subtraction and a nlz (number of leading zero) to index the first 0 byte. Please read it first and that is what really what meant by crazy. |
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