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olemorud
2023-04-23 19:39:07 +02:00
parent 995b9dee61
commit 2445941ab6
1 changed files with 11 additions and 11 deletions
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src/json_obj.c
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@@ -16,8 +16,8 @@
It seems to work well because 33 is coprime to It seems to work well because 33 is coprime to
2^32 and 2^64 (any odd number except 1 is), 2^32 and 2^64 (any odd number except 1 is),
which probably improves the distribution which probably improves the distribution (I'm
(I'm not a mathematician so I can't prove it this). not a mathematician so I can't prove it this).
Multiplying a number n by 33 is the same as Multiplying a number n by 33 is the same as
bitshifting by 5 and adding n, which is faster bitshifting by 5 and adding n, which is faster
than multiplying by, say, 37. Maybe any 2^x±1 than multiplying by, say, 37. Maybe any 2^x±1