+2016-03-05 Carl Hetherington <cth@carlh.net>
+
+ * Try to fix slowdowns on Windows XP (#771).
+
2016-03-02 Carl Hetherington <cth@carlh.net>
* Version 2.6.31 released.
boost::mutex::scoped_lock lm (_threads_mutex);
+#ifdef BOOST_THREAD_PLATFORM_WIN32
+ OSVERSIONINFO info;
+ info.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
+ GetVersionEx (&info);
+ bool const windows_xp = (info.dwMajorVersion == 5 && info.dwMinorVersion == 1);
+ LOG_GENERAL_NC (N_("Setting thread affinity for Windows XP"));
+#endif
+
if (!Config::instance()->only_servers_encode ()) {
for (int i = 0; i < Config::instance()->num_local_encoding_threads (); ++i) {
- _threads.push_back (new boost::thread (boost::bind (&Encoder::encoder_thread, this, optional<EncodeServerDescription> ())));
+ boost::thread* t = new boost::thread (boost::bind (&Encoder::encoder_thread, this, optional<EncodeServerDescription> ()));
+ _threads.push_back (t);
+#ifdef BOOST_THREAD_PLATFORM_WIN32
+ if (windows_xp) {
+ SetThreadAffinityMask (t->native_handle(), 1 << i);
+ }
+#endif
}
}