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bm.cr
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bm.cr
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module Benchmark
module BM
# A data object, representing the times associated with a benchmark measurement.
class Tms
# User CPU time
getter utime : Float64
# System CPU time
getter stime : Float64
# User CPU time of children
getter cutime : Float64
# System CPU time of children
getter cstime : Float64
# Elapsed real time
getter real : Float64
# The label associated with this measure
getter label : String
# :nodoc:
def initialize(@utime, @stime, @cutime, @cstime, @real, @label)
end
# Total time, that is utime + stime + cutime + cstime
def total
utime + stime + cutime + cstime
end
# Prints *utime*, *stime*, *total* and *real* to the given IO.
def to_s(io : IO) : Nil
io.printf " %.6f %.6f %.6f ( %.6f)", utime, stime, total, real
end
end
# Yielded by `Benchmark#bm`, use `#report` to report benchmarks.
class Job
# :nodoc:
def initialize
@reports = [] of {String, ->}
@label_width = 0
end
# Reports a single benchmark unit.
def report(label = " ", &block)
@label_width = label.size if label.size > @label_width
@reports << {label, block}
end
# :nodoc:
def execute
if @label_width > 0
print " " * @label_width
end
puts " user system total real"
@reports.each do |report|
label, block = report
print label
diff = @label_width - label.size + 1
if diff > 0
print " " * diff
end
print Benchmark.measure(label, &block)
puts
end
end
end
end
end