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This patch is suggested by nobu.
Benchmark result:
```
require 'benchmark'
n = 10 ** 7
Benchmark.bm do |x|
x.report("Fixnum/Fixnum") { a, b = 5, 2; n.times { a.ceildiv(b) } }
x.report("Bignum/Bignum") { a, b = 10**100, 10**99 - 1; n.times { a.ceildiv(b) } }
x.report("Bignum/Fixnum") { a, b = 10**100, 3; n.times { a.ceildiv(b) } }
end
```
Original:
```
user system total real
Fixnum/Fixnum 3.340009 0.043029 3.383038 ( 3.384022)
Bignum/Bignum 8.229500 0.118543 8.348043 ( 8.349574)
Bignum/Fixnum 8.328971 0.097842 8.426813 ( 8.426952)
```
Improved:
```
user system total real
Fixnum/Fixnum 0.699140 0.000961 0.700101 ( 0.700199)
Bignum/Bignum 5.076165 0.083160 5.159325 ( 5.159360)
Bignum/Fixnum 5.548684 0.115372 5.664056 ( 5.666735)
```
Notes:
Merged: https://github.com/ruby/ruby/pull/5965
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Notes:
Merged: https://github.com/ruby/ruby/pull/5268
Merged-By: nobu <[email protected]>
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Treats:
#allbits?
#anybits?
#nobits?
#succ
#pred
#chr`
#to_s
#+
#-
Notes:
Merged-By: BurdetteLamar <[email protected]>
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Notes:
Merged: https://github.com/ruby/ruby/pull/4791
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* Improve perfomance for Integer#size method [Feature #17135]
* re-run ci
* Let MJIT frame skip work for Integer#size
Co-authored-by: Takashi Kokubun <[email protected]>
Notes:
Merged-By: k0kubun <[email protected]>
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Notes:
Merged-By: k0kubun <[email protected]>
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Notes:
Merged-By: k0kubun <[email protected]>
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forgotten in https://github.com/ruby/ruby/pull/4018
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Notes:
Merged-By: k0kubun <[email protected]>
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