Index: base/task_scheduler/initialization_util.cc |
diff --git a/base/task_scheduler/initialization_util.cc b/base/task_scheduler/initialization_util.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..7accd19c6f94c4b7bc43dc73063c2811fdb04b25 |
--- /dev/null |
+++ b/base/task_scheduler/initialization_util.cc |
@@ -0,0 +1,22 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "base/task_scheduler/initialization_util.h" |
+ |
+#include <algorithm> |
+ |
+#include "base/sys_info.h" |
+ |
+namespace base { |
+ |
+int RecommendedMaxNumberOfThreadsInPool(int min, |
+ int max, |
+ double cores_multiplier, |
+ int offset) { |
+ const int num_of_cores = SysInfo::NumberOfProcessors(); |
+ const int threads = std::ceil<int>(num_of_cores * cores_multiplier) + offset; |
+ return std::min(max, std::max(min, threads)); |
+} |
+ |
+} // namespace base |