Add thread caching of hazard pointers. Benchmarks. Minor fixes, optimizations, and...

[folly.git] / folly / experimental / hazptr / bench / HazptrBench-Amb-Tc.cpp

diff --git a/folly/experimental/hazptr/bench/HazptrBench-Amb-Tc.cpp b/folly/experimental/hazptr/bench/HazptrBench-Amb-Tc.cpp
new file mode 100644 (file)
index 0000000..dea24c8
--- /dev/null
+++ b/folly/experimental/hazptr/bench/HazptrBench-Amb-Tc.cpp
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2017 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define HAZPTR_AMB true
+#define HAZPTR_TC true
+
+#include <folly/experimental/hazptr/bench/HazptrBench.h>
+#include <folly/portability/GFlags.h>
+#include <folly/portability/GTest.h>
+
+using namespace folly::hazptr;
+
+int nthreads;
+int size;
+
+BENCHMARK(amb, iters) {
+  run_once(nthreads, size, iters);
+}
+
+BENCHMARK(amb_dup, iters) {
+  run_once(nthreads, size, iters);
+}
+
+int main(int argc, char** argv) {
+  testing::InitGoogleTest(&argc, argv);
+  gflags::ParseCommandLineFlags(&argc, &argv, true);
+  std::cout << "------------------------------------------------- AMB - TC\n";
+  for (int i : nthr) {
+    nthreads = i;
+    for (int j : sizes) {
+      size = j;
+      std::cout << i << " threads -- " << j << "-item list" << std::endl;
+      bench("amb - tc                    ", i, j, 0);
+      bench("amb - tc - dup              ", i, j, 0);
+    }
+  }
+  std::cout << "----------------------------------------------------------\n";
+}