33import pandas .computation .expressions as expr
44
55
6- class eval_frame (object ):
6+ class Eval (object ):
77 goal_time = 0.2
88
99 params = [['numexpr' , 'python' ], [1 , 'all' ]]
@@ -34,8 +34,11 @@ def time_mult(self, engine, threads):
3434 df , df2 , df3 , df4 = self .df , self .df2 , self .df3 , self .df4
3535 pd .eval ('df * df2 * df3 * df4' , engine = engine )
3636
37+ def teardown (self , engine , threads ):
38+ expr .set_numexpr_threads ()
3739
38- class query_datetime_index (object ):
40+
41+ class Query (object ):
3942 goal_time = 0.2
4043
4144 def setup (self ):
@@ -45,41 +48,19 @@ def setup(self):
4548 self .s = Series (self .index )
4649 self .ts = self .s .iloc [self .halfway ]
4750 self .df = DataFrame ({'a' : np .random .randn (self .N ), }, index = self .index )
51+ self .df2 = DataFrame ({'dates' : self .s .values ,})
52+
53+ self .df3 = DataFrame ({'a' : np .random .randn (self .N ),})
54+ self .min_val = self .df3 ['a' ].min ()
55+ self .max_val = self .df3 ['a' ].max ()
4856
4957 def time_query_datetime_index (self ):
5058 ts = self .ts
5159 self .df .query ('index < @ts' )
5260
53-
54- class query_datetime_series (object ):
55- goal_time = 0.2
56-
57- def setup (self ):
58- self .N = 1000000
59- self .halfway = ((self .N // 2 ) - 1 )
60- self .index = date_range ('20010101' , periods = self .N , freq = 'T' )
61- self .s = Series (self .index )
62- self .ts = self .s .iloc [self .halfway ]
63- self .df = DataFrame ({'dates' : self .s .values , })
64-
6561 def time_query_datetime_series (self ):
6662 ts = self .ts
67- self .df .query ('dates < @ts' )
68-
69-
70- class query_with_boolean_selection (object ):
71- goal_time = 0.2
72-
73- def setup (self ):
74- self .N = 1000000
75- self .halfway = ((self .N // 2 ) - 1 )
76- self .index = date_range ('20010101' , periods = self .N , freq = 'T' )
77- self .s = Series (self .index )
78- self .ts = self .s .iloc [self .halfway ]
79- self .N = 1000000
80- self .df = DataFrame ({'a' : np .random .randn (self .N ), })
81- self .min_val = self .df ['a' ].min ()
82- self .max_val = self .df ['a' ].max ()
63+ self .df2 .query ('dates < @ts' )
8364
8465 def time_query_with_boolean_selection (self ):
8566 min_val , max_val = self .min_val , self .max_val
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