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authorwatson1978 <watson1978@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-05-21 03:36:31 (GMT)
committerwatson1978 <watson1978@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-05-21 03:36:31 (GMT)
commitc208d15ff7812c59b4506b1a5934ca5c755fd785 (patch)
tree973f321b118fbaa05c6f5d0fdc697a92cf716c59 /hash.c
parent92ea637c624f3efa7e8ff0f24ff89aa21193a2d1 (diff)
Improve Time#+ & Time#- performance
* time.c (wadd): use internal addv() function to calculate internal value in Time object. On 64-bit machine, Time object might have Fixnum object internally by default and addv() can calculate Fixnum objects directly. * time.c (wsub): use internal subv() function due the same reason in above. Time#+ & Time#- will be faster around 15%. [ruby-dev:50036] [Bug #13357] [Fix GH-1547] ### Before user system total real Time#+ 0.820000 0.000000 0.820000 ( 0.818081) Time#- 0.810000 0.000000 0.810000 ( 0.813835) ### After user system total real Time#+ 0.710000 0.000000 0.710000 ( 0.710241) Time#- 0.710000 0.010000 0.720000 ( 0.714151) ### Test code require 'benchmark' Benchmark.bmbm do |x| x.report "Time#+" do t = Time.now 2000000.times do t + 1 end end x.report "Time#-" do t = Time.now 2000000.times do t - 1 end end end git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58829 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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