fix issue #332

Author: benvanwerkhoven

kernel_tuner/observers/hip.py

@@ -9,6 +9,19 @@
     hiprtc = None
 
 
+def hip_check(call_result):
+    """helper function to check return values of hip calls"""
+    err = call_result[0]
+    result = call_result[1:]
+    if len(result) == 1:
+        result = result[0]
+    if isinstance(err, hip.hipError_t) and err != hip.hipError_t.hipSuccess:
+        _, error_name = hip.hipGetErrorName(err)
+        _, error_str = hip.hipGetErrorString(err)
+        raise RuntimeError(f"{error_name}: {error_str}")
+    return result
+
+
 class HipRuntimeObserver(BenchmarkObserver):
     """Observer that measures time using CUDA events during benchmarking."""
 
@@ -24,7 +37,7 @@ def __init__(self, dev):
 
     def after_finish(self):
         # Time is measured in milliseconds
-        EventElapsedTime = hip.hipEventElapsedTime(self.start, self.end)
+        EventElapsedTime = hip_check(hip.hipEventElapsedTime(self.start, self.end))
         self.times.append(EventElapsedTime)
 
     def get_results(self):