1 files changed, 43 insertions, 0 deletions
diff --git a/attic/example/benchmark_chained2.cpp b/attic/example/benchmark_chained2.cpp
new file mode 100644
index 00000000..d410076c
--- /dev/null
+++ b/attic/example/benchmark_chained2.cpp
@@ -0,0 +1,43 @@
+#include "afio_pch.hpp"
+
+/*  My Intel Core i7 3770K running Windows 8 x64: 596318 closures/sec
+    My Intel Core i7 3770K running     Linux x64: 794384 closures/sec
+*/
+
+static int callback()
+{
+#if 0
+    Sleep(0);
+#endif
+    return 1;
+};
+
+int main(void)
+{
+    using namespace boost::afio;
+    auto dispatcher=make_dispatcher().get();
+    typedef chrono::duration<double, ratio<1, 1>> secs_type;
+    auto begin=chrono::high_resolution_clock::now();
+    while(chrono::duration_cast<secs_type>(chrono::high_resolution_clock::now()-begin).count()<3);
+    
+    atomic<size_t> threads(0);
+    std::vector<std::function<int()>> callbacks(1, callback);
+    begin=chrono::high_resolution_clock::now();
+#pragma omp parallel
+    {
+        std::vector<future<>> preconditions(1);
+        threads++;
+        for(size_t n=0; n<500000; n++)
+        {
+            preconditions.front()=dispatcher->call(preconditions, callbacks).front();
+        }
+    }
+    while(dispatcher->wait_queue_depth())
+        this_thread::sleep_for(chrono::milliseconds(1));
+    auto end=chrono::high_resolution_clock::now();
+    auto diff=chrono::duration_cast<secs_type>(end-begin);
+    std::cout << "It took " << diff.count() << " secs to execute " << (500000*threads) << " closures which is " << (500000*threads/diff.count()) << " chained closures/sec" << std::endl;
+    std::cout << "\nPress Return to exit ..." << std::endl;
+    getchar();
+    return 0;
+}