diff options
| author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-08-24 02:03:06 +0000 |
|---|---|---|
| committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-08-24 02:03:06 +0000 |
| commit | 249bd1ed2a00c9c3defdd09224b22a6691f73789 (patch) | |
| tree | d27e5f87525fcb6e333766b4bdeb25ee5b31b13c /lib | |
| parent | ccbeb0d6dce7e38d98232f91fc0b4bbdc499674f (diff) | |
lib/benchmark.rb: speedup by reducing allocations
* lib/benchmark.rb (module Benchmark): define BENCHMARK_CLOCK
(realtime): use Process.clock_gettime(BENCHMARK_CLOCK)
[Feature #10165]
* test/benchmark/test_benchmark.rb (test_realtime_output): new test
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47260 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/benchmark.rb | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/benchmark.rb b/lib/benchmark.rb index bd3b07284f..eff6cb12ef 100644 --- a/lib/benchmark.rb +++ b/lib/benchmark.rb @@ -286,13 +286,21 @@ module Benchmark label) end + # :stopdoc: + if defined?(Process::CLOCK_MONOTONIC) + BENCHMARK_CLOCK = Process::CLOCK_MONOTONIC + else + BENCHMARK_CLOCK = Process::CLOCK_REALTIME + end + # :startdoc: + # # Returns the elapsed real time used to execute the given block. # def realtime # :yield: - r0 = Time.now + r0 = Process.clock_gettime(BENCHMARK_CLOCK) yield - Time.now - r0 + Process.clock_gettime(BENCHMARK_CLOCK) - r0 end module_function :benchmark, :measure, :realtime, :bm, :bmbm |