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cpappen/benchmark_gigasecond.rb

Last active September 23, 2016 05:46
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benchmark_gigasecond.rb
require 'benchmark'
n = 500_000
GIGA_SECOND = 10**9
time = Time.utc(2011, 4, 25, 0, 0, 0)
Benchmark.bm do |x|
x.report("with CONST") { for i in 1..n; time + GIGA_SECOND; end }
x.report("no CONST") { for i in 1..n; time + 10**9; end }
x.report("no CONST") { for i in 1..n; time+= 10**9; end }
x.report("with CONST") { for i in 1..n; time+= GIGA_SECOND; end }
end
# user system total real
# with CONST 0.130000 0.000000 0.130000 ( 0.127017)
# no CONST 0.180000 0.000000 0.180000 ( 0.179682)
# no CONST 0.140000 0.000000 0.140000 ( 0.149598)
# with CONST 0.140000 0.000000 0.140000 ( 0.132537)
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