diff options
author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-02 02:40:46 +0000 |
---|---|---|
committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-02 02:40:46 +0000 |
commit | 8c37de156b06eeb4f05d5852b5d73c00239e1ba9 (patch) | |
tree | 3e87f41626e8acb6d17faf4933a4e9c4353f7844 /benchmark/bm_vm_thread_condvar2.rb | |
parent | 2ac10eb9d03f69c09ca4e6a516236510db4eeb50 (diff) | |
download | ruby-8c37de156b06eeb4f05d5852b5d73c00239e1ba9.tar.gz |
more benchmarks for SizedQueue and ConditionVariable
I'm working on patches to improve everything in thread_sync.c,
add these to track progress.
* benchmark/bm_vm_thread_sized_queue.rb: add description
* benchmark/bm_vm_thread_condvar1.rb: new benchmark
* benchmark/bm_vm_thread_condvar2.rb: ditto
* benchmark/bm_vm_thread_sized_queue2.rb: ditto
* benchmark/bm_vm_thread_sized_queue3.rb: ditto
* benchmark/bm_vm_thread_sized_queue4.rb: ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58535 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'benchmark/bm_vm_thread_condvar2.rb')
-rw-r--r-- | benchmark/bm_vm_thread_condvar2.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/benchmark/bm_vm_thread_condvar2.rb b/benchmark/bm_vm_thread_condvar2.rb new file mode 100644 index 0000000000..7c8dc19481 --- /dev/null +++ b/benchmark/bm_vm_thread_condvar2.rb @@ -0,0 +1,35 @@ +# many threads, one mutex, many condvars +require 'thread' +m = Mutex.new +cv1 = ConditionVariable.new +cv2 = ConditionVariable.new +max = 1000 +n = 100 +waiting = 0 +scvs = [] +waiters = n.times.map do |i| + start_cv = ConditionVariable.new + scvs << start_cv + start_mtx = Mutex.new + start_mtx.synchronize do + th = Thread.new(start_mtx, start_cv) do |sm, scv| + m.synchronize do + sm.synchronize { scv.signal } + max.times do + cv2.signal if (waiting += 1) == n + cv1.wait(m) + end + end + end + start_cv.wait(start_mtx) + th + end +end +m.synchronize do + max.times do + cv2.wait(m) until waiting == n + waiting = 0 + cv1.broadcast + end +end +waiters.each(&:join) |