reduced fft threads form 2 to 1 -> faster launch, fewer overflows

apps/fft-multi-decoder_fixed_hackrf.grc

@@ -1808,7 +1808,7 @@
     </param>
     <param>
       <key>_enabled</key>
-      <value>True</value>
+      <value>1</value>
     </param>
     <param>
       <key>_coordinate</key>
@@ -1851,7 +1851,7 @@
     </param>
     <param>
       <key>_enabled</key>
-      <value>True</value>
+      <value>1</value>
     </param>
     <param>
       <key>_coordinate</key>
@@ -1902,7 +1902,7 @@
     </param>
     <param>
       <key>_enabled</key>
-      <value>True</value>
+      <value>1</value>
     </param>
     <param>
       <key>_coordinate</key>
@@ -1937,6 +1937,37 @@
       <value>1</value>
     </param>
   </block>
+  <block>
+    <key>blocks_ctrlport_monitor_performance</key>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>en</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(854, 179)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>blocks_ctrlport_monitor_performance_0</value>
+    </param>
+  </block>
   <block>
     <key>blocks_multiply_const_vxx</key>
     <param>
@@ -2288,7 +2319,7 @@ class blk(gr.sync_block):  # other base classes are basic_block, decim_block, in
     </param>
     <param>
       <key>nthreads</key>
-      <value>2</value>
+      <value>1</value>
     </param>
     <param>
       <key>shift</key>
@@ -3189,7 +3220,7 @@ class blk(gr.sync_block):  # other base classes are basic_block, decim_block, in
     </param>
     <param>
       <key>_enabled</key>
-      <value>True</value>
+      <value>1</value>
     </param>
     <param>
       <key>_coordinate</key>
@@ -3240,7 +3271,7 @@ class blk(gr.sync_block):  # other base classes are basic_block, decim_block, in
     </param>
     <param>
       <key>debug</key>
-      <value>True</value>
+      <value>False</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -4714,7 +4745,7 @@ class blk(gr.sync_block):  # other base classes are basic_block, decim_block, in
     </param>
     <param>
       <key>_enabled</key>
-      <value>True</value>
+      <value>1</value>
     </param>
     <param>
       <key>_coordinate</key>