Added a more scalable non blocking thread pool

1 files changed, 69 insertions, 0 deletions

diff --git a/unsupported/Eigen/CXX11/ThreadPool b/unsupported/Eigen/CXX11/ThreadPool
new file mode 100644
index 000000000..85028603c
--- /dev/null
+++ b/unsupported/Eigen/CXX11/ThreadPool
@@ -0,0 +1,69 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2016 Benoit Steiner <benoit.steiner.goog@gmail.com>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef EIGEN_CXX11_THREADPOOL_MODULE
+#define EIGEN_CXX11_THREADPOOL_MODULE
+
+//#include <Eigen/Core>
+#include "Core"
+
+#include <Eigen/src/Core/util/DisableStupidWarnings.h>
+
+/** \defgroup CXX11_ThreadPool_Module C++11 ThreadPool Module
+  *
+  * This module provides 2 threadpool implementations
+  *  - a simple reference implementation
+  *  - a faster non blocking implementation
+  *
+  * This module requires C++11.
+  *
+  * \code
+  * #include <Eigen/CXX11/ThreadPool>
+  * \endcode
+  */
+
+//#include <vector>
+
+//#include "src/Core/util/EmulateArray.h"
+//#include "src/Core/util/MaxSizeVector.h"
+//#include "third_party/eigen3/Eigen/src/Core/util/Macros.h"
+
+
+// Emulate the cxx11 functionality that we need if the compiler doesn't support it.
+// Visual studio 2015 doesn't advertise itself as cxx11 compliant, although it
+// supports enough of the standard for our needs
+
+#if __cplusplus > 199711L || EIGEN_COMP_MSVC >= 1900
+#include <cstddef>
+#include <cstring>
+#include <stdint.h>
+#include <time.h>
+
+#include <vector>
+#include <atomic>
+#include <condition_variable>
+#include <deque>
+#include <mutex>
+#include <thread>
+#include <functional>
+#include <memory>
+
+#include "src/ThreadPool/EventCount.h"
+#include "src/ThreadPool/RunQueue.h"
+#include "src/ThreadPool/ThreadPoolInterface.h"
+#include "src/ThreadPool/ThreadEnvironment.h"
+#include "src/ThreadPool/SimpleThreadPool.h"
+#include "src/ThreadPool/NonBlockingThreadPool.h"
+
+#endif
+
+#include <Eigen/src/Core/util/ReenableStupidWarnings.h>
+
+#endif // EIGEN_CXX11_THREADPOOL_MODULE
+