Better parallel statistics computation

@@ -1638,6 +1638,7 @@ def sql_ask_database(conn, sql, warn_every = 10):
 
 @trace_unhandled_exceptions
 def sql_execute(conn, sql, many=False, data=None, warn_every=10):
+    conn.execute('pragma journal_mode=wal') # Allow multiple other readers to ask things while we execute this writing query
     for _ in range(100): # retry 100 times if it fails
         try:
             if many:

@@ -3,7 +3,7 @@
 # Run RNANet
 cd /home/lbecquey/Projects/RNANet;
 rm -f stdout.txt stderr.txt errors.txt;
-time './RNAnet.py --3d-folder /home/lbequey/Data/RNA/3D/ --seq-folder /home/lbecquey/Data/RNA/sequences/ -s -r 20.0' > stdout.txt 2> stderr.txt;
+time './RNAnet.py --3d-folder /home/lbequey/Data/RNA/3D/ --seq-folder /home/lbecquey/Data/RNA/sequences/ -s -r 20.0 --archive' > stdout.txt 2> stderr.txt;
 
 # Sync in Seafile
 seaf-cli start;