Reduce number of IO threads

sf-stream/include/stream_config.hpp

@@ -1,7 +1,7 @@
 namespace stream_config
 {
     // N of IO threads to receive data from modules.
-    const int STREAM_ZMQ_IO_THREADS = 4;
+    const int STREAM_ZMQ_IO_THREADS = 2;
     // How long should the RECV queue be.
     const size_t STREAM_RCVHWM = 100;
     // Size of buffer between the receiving and sending part.

sf-stream/src/main.cpp

@@ -55,7 +55,7 @@ int main (int argc, char *argv[])
         auto n_lost_pulses = receiver.get_next_image(meta, data);
 
         if (n_lost_pulses > 0) {
-            cout << "sf_stream:resync_lost_pulses " << n_lost_pulses << endl;
+            cout << "sf_stream:sync_lost_pulses " << n_lost_pulses << endl;
         }
 
         auto end_time = steady_clock::now();