use hardware_concurrency() by default for number of threads

FlexibleSUSY · Dec 7, 2016 · f8ab903 · f8ab903
1 parent bafac7c
commit f8ab903
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/src/global_thread_pool.cpp b/src/global_thread_pool.cpp
@@ -16,6 +16,7 @@
 // <http://www.gnu.org/licenses/>.
 // ====================================================================
 
+#include "global_thread_pool.hpp"
 #include "thread_pool.hpp"
 
 #ifdef ENABLE_THREADS
@@ -24,7 +25,7 @@
 
 namespace flexiblesusy {
 
-Thread_pool global_thread_pool(std::thread::hardware_concurrency());
+Thread_pool global_thread_pool;
 
 } // namespace flexiblesusy
 

diff --git a/src/thread_pool.hpp b/src/thread_pool.hpp
@@ -27,6 +27,7 @@
 
 #include <future>
 #include <memory>
+#include <thread>
 #include <boost/asio.hpp>
 #include <boost/thread.hpp>
 
@@ -36,7 +37,7 @@ class Thread_pool {
 public:
    using worker_t = std::unique_ptr<boost::asio::io_service::work>;
 
-   Thread_pool(std::size_t pool_size)
+   Thread_pool(std::size_t pool_size = std::thread::hardware_concurrency())
       : io_service()
       , work(new worker_t::element_type(io_service))
    {