diff options
-rw-r--r-- | ChangeLog | 11 | ||||
-rw-r--r-- | benchmark/bm_vm3_thread_mutex1.rb | 21 | ||||
-rw-r--r-- | benchmark/bm_vm3_thread_mutex2.rb | 21 | ||||
-rw-r--r-- | benchmark/bm_vm3_thread_mutex3.rb (renamed from benchmark/bm_vm3_thread_mutex.rb) | 38 |
4 files changed, 73 insertions, 18 deletions
@@ -1,3 +1,14 @@ +Sun Jun 12 13:33:52 2011 Koichi Sasada <ko1@atdot.net> + + * benchmark/bm_vm3_thread_mutex.rb: remove it. + + * benchmark/bm_vm3_thread_mutex[1-3].rb: added 3 benchmarks. + 1: one thread with one mutex (no contention). + 2: two threads with one mutex (contention). + 3: 1000 threads with one mutex (huge number of contention) + Abobe removed benchmark was type 3. + Therefore, this commit adds type 1 and 2 benchmark. + Sun Jun 12 11:16:59 2011 Tanaka Akira <akr@fsij.org> * io.c: use select() appropriately for sendfile(). diff --git a/benchmark/bm_vm3_thread_mutex1.rb b/benchmark/bm_vm3_thread_mutex1.rb new file mode 100644 index 0000000000..d1ba792291 --- /dev/null +++ b/benchmark/bm_vm3_thread_mutex1.rb @@ -0,0 +1,21 @@ +# one thread, one mutex (no contention)
+
+require 'thread'
+m = Mutex.new
+r = 0
+max = 1000
+lmax = max * max
+(1..1).map{
+ Thread.new{
+ i=0
+ while i<lmax
+ i+=1
+ m.synchronize{
+ r += 1
+ }
+ end
+ }
+}.each{|e|
+ e.join
+}
+raise r.to_s if r != max * max
diff --git a/benchmark/bm_vm3_thread_mutex2.rb b/benchmark/bm_vm3_thread_mutex2.rb new file mode 100644 index 0000000000..2903845c3e --- /dev/null +++ b/benchmark/bm_vm3_thread_mutex2.rb @@ -0,0 +1,21 @@ +# two threads, one mutex
+
+require 'thread'
+m = Mutex.new
+r = 0
+max = 1000
+lmax = (max * max)/2
+(1..2).map{
+ Thread.new{
+ i=0
+ while i<lmax
+ i+=1
+ m.synchronize{
+ r += 1
+ }
+ end
+ }
+}.each{|e|
+ e.join
+}
+raise r.to_s if r != max * max
diff --git a/benchmark/bm_vm3_thread_mutex.rb b/benchmark/bm_vm3_thread_mutex3.rb index 649f1fddac..888ae8eaad 100644 --- a/benchmark/bm_vm3_thread_mutex.rb +++ b/benchmark/bm_vm3_thread_mutex3.rb @@ -1,18 +1,20 @@ -require 'thread' -m = Mutex.new -r = 0 -max = 1000 -(1..max).map{ - Thread.new{ - i=0 - while i<max - i+=1 - m.synchronize{ - r += 1 - } - end - } -}.each{|e| - e.join -} -raise r.to_s if r != max * max +# 1000 threads, one mutex
+
+require 'thread'
+m = Mutex.new
+r = 0
+max = 1000
+(1..max).map{
+ Thread.new{
+ i=0
+ while i<max
+ i+=1
+ m.synchronize{
+ r += 1
+ }
+ end
+ }
+}.each{|e|
+ e.join
+}
+raise r.to_s if r != max * max
|