Address PR remarks

Author: victorusu

cscs-checks/microbenchmarks/stream/stream.py

@@ -78,7 +78,6 @@ def __init__(self):
                 'daint:mc': {'triad': (117000, -0.05, None, 'MB/s')},
                 'dom:gpu': {'triad': (57000, -0.05, None, 'MB/s')},
                 'dom:mc': {'triad': (117000, -0.05, None, 'MB/s')},
-                '*': {'triad': (0, 0, None, 'MB/s')},
             },
             'PrgEnv-cray': {
                 'daint:gpu': {'triad': (44000, -0.05, None, 'MB/s')},
@@ -87,7 +86,6 @@ def __init__(self):
                 'dom:mc': {'triad': (89000, -0.05, None, 'MB/s')},
                 'kesch:cn': {'triad': (85000, -0.05, None, 'MB/s')},
                 'kesch:pn': {'triad': (113000, -0.05, None, 'MB/s')},
-                '*': {'triad': (0, 0, None, 'MB/s')},
             },
             'PrgEnv-gnu': {
                 'daint:gpu': {'triad': (43800, -0.05, None, 'MB/s')},
@@ -96,25 +94,19 @@ def __init__(self):
                 'dom:mc': {'triad': (87500, -0.05, None, 'MB/s')},
                 'kesch:cn': {'triad': (47000, -0.05, None, 'MB/s')},
                 'kesch:pn': {'triad': (84400, -0.05, None, 'MB/s')},
-                '*': {'triad': (0, 0, None, 'MB/s')},
             },
             'PrgEnv-intel': {
                 'daint:gpu': {'triad': (59500, -0.05, None, 'MB/s')},
                 'daint:mc': {'triad': (119000, -0.05, None, 'MB/s')},
                 'dom:gpu': {'triad': (59500, -0.05, None, 'MB/s')},
                 'dom:mc': {'triad': (119000, -0.05, None, 'MB/s')},
-                '*': {'triad': (0, 0, None, 'MB/s')},
             },
             'PrgEnv-pgi': {
                 'daint:gpu': {'triad': (44500, -0.05, None, 'MB/s')},
                 'daint:mc': {'triad': (88500, -0.05, None, 'MB/s')},
                 'dom:gpu': {'triad': (44500, -0.05, None, 'MB/s')},
                 'dom:mc': {'triad': (88500, -0.05, None, 'MB/s')},
-                '*': {'triad': (0, 0, None, 'MB/s')},
             },
-            '*': {
-                '*': {'triad': (0, 0, None, 'MB/s')},
-            }
         }
         self.tags = {'production', 'craype'}
         self.maintainers = ['RS', 'SK']
@@ -133,7 +125,7 @@ def prepare_test(self):
         try:
             self.reference = self.stream_bw_reference[envname]
         except KeyError:
-            self.reference = self.stream_bw_reference['*']
+            self.reference = self.stream_bw_reference['PrgEnv-gnu']
 
     @rfm.run_before('compile')
     def cray_linker_workaround(self):