1 files changed, 47 insertions, 0 deletions
diff --git a/attic/example/benchmark_asio.cpp b/attic/example/benchmark_asio.cpp
new file mode 100644
index 00000000..45de6e45
--- /dev/null
+++ b/attic/example/benchmark_asio.cpp
@@ -0,0 +1,47 @@
+#include "afio_pch.hpp"
+
+/*  My Intel Core i7 3770K running Windows 8 x64: 2591360 closures/sec
+    My Intel Core i7 3770K running     Linux x64: 1611040 closures/sec (4 threads)
+*/
+
+static boost::afio::atomic<size_t> togo(0);
+static int callback()
+{
+#if 0
+    Sleep(0);
+#endif
+    --togo;
+    return 1;
+};
+int main(void)
+{
+    using namespace boost::afio;
+    typedef chrono::duration<double, ratio<1, 1>> secs_type;
+    auto threadpool=process_threadpool();
+    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);
+#if 0
+    std::cout << "Attach profiler now and hit Return" << std::endl;
+    getchar();
+#endif
+    begin=chrono::high_resolution_clock::now();
+#pragma omp parallel
+    {
+        ++threads;
+        for(size_t n=0; n<5000000; n++)
+        {
+            ++togo;
+            threadpool->enqueue(callback);
+        }
+    }
+    while(togo)
+        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 " << (5000000*threads) << " closures which is " << (5000000*threads/diff.count()) << " closures/sec" << std::endl;
+    std::cout << "\nPress Return to exit ..." << std::endl;
+    getchar();
+    return 0;
+}