Fixups on the autotuning naming scheme

python/dune/codegen/sumfact/autotune.py

@@ -193,11 +193,11 @@ def autotune_realization(sf):
         os.mkdir(dir)
 
     basename = "autotune_sumfact_{}".format(sf.function_name)
-    name = os.path.join(dir, "autotune_sumfact_{}".format(sf.function_name))
-    name = hashlib.sha256(name.encode()).hexdigest()
+    basename = hashlib.sha256(basename.encode()).hexdigest()
+    basename = os.path.join(dir, basename)
     filename = os.path.join(dir, "{}.cc".format(basename))
     logname = os.path.join(dir, "{}.log".format(basename))
-    lock = "{}.lock".format(name)
+    lock = "{}.lock".format(basename)
 
     # Generate and compile a benchmark program
     with cache_restoring():