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lib/benchmark.rb: just use Process::CLOCK_MONOTONIC

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Assume Process::CLOCK_MONOTONIC exists (possibly emulated) and
there is no need to bloat our code by defining a compatibility
constant.

* lib/benchmark.rb: just use Process::CLOCK_MONOTONIC
  [ruby-core:69390]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50724 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
normal 2015-06-02 00:08:25 +00:00
parent fd4ec2bc90
commit cb1affb478
2 changed files with 9 additions and 13 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Tue Jun 2 09:04:14 2015 Eric Wong <e@80x24.org>
* lib/benchmark.rb: just use Process::CLOCK_MONOTONIC
[ruby-core:69390]
Mon Jun 1 22:01:27 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* lib/mkmf.rb (pkg_config): split --libs if --libs-only-l option

17
lib/benchmark.rb
View file

@ -270,15 +270,6 @@ module Benchmark
STDOUT.sync = sync unless sync.nil?
end
# :stopdoc:
case
when defined?(Process::CLOCK_MONOTONIC)
BENCHMARK_CLOCK = Process::CLOCK_MONOTONIC
else
BENCHMARK_CLOCK = Process::CLOCK_REALTIME
end
# :startdoc:
#
# Returns the time used to execute the given block as a
# Benchmark::Tms object. Takes +label+ option.
@ -297,9 +288,9 @@ module Benchmark
# 0.220000 0.000000 0.220000 ( 0.227313)
#
def measure(label = "") # :yield:
t0, r0 = Process.times, Process.clock_gettime(BENCHMARK_CLOCK)
t0, r0 = Process.times, Process.clock_gettime(Process::CLOCK_MONOTONIC)
yield
t1, r1 = Process.times, Process.clock_gettime(BENCHMARK_CLOCK)
t1, r1 = Process.times, Process.clock_gettime(Process::CLOCK_MONOTONIC)
Benchmark::Tms.new(t1.utime - t0.utime,
t1.stime - t0.stime,
t1.cutime - t0.cutime,
@ -312,9 +303,9 @@ module Benchmark
# Returns the elapsed real time used to execute the given block.
#
def realtime # :yield:
r0 = Process.clock_gettime(BENCHMARK_CLOCK)
r0 = Process.clock_gettime(Process::CLOCK_MONOTONIC)
yield
Process.clock_gettime(BENCHMARK_CLOCK) - r0
Process.clock_gettime(Process::CLOCK_MONOTONIC) - r0
end
module_function :benchmark, :measure, :realtime, :bm, :bmbm