remove use of cache from example

Author: benvanwerkhoven

examples/hip/vector_add.py

@@ -30,8 +30,8 @@ def tune():
     tune_params = OrderedDict()
     tune_params["block_size_x"] = [128+64*i for i in range(15)]
 
-    results, env = tune_kernel("vector_add", kernel_string, size, args, tune_params, lang="HIP", 
-                               cache="vector_add_cache.json", log=logging.DEBUG)
+    results, env = tune_kernel("vector_add", kernel_string, size, args, tune_params, lang="HIP",
+                               log=logging.DEBUG)
 
     # Store the metadata of this run
     store_metadata_file("vector_add-metadata.json")
@@ -40,4 +40,4 @@ def tune():
 
 
 if __name__ == "__main__":
-    tune()
+    tune()