ASV: tslibs.fields (pandas-dev#35149)

Author: jbrockmendel

asv_bench/benchmarks/tslibs/fields.py

@@ -0,0 +1,74 @@
+import numpy as np
+
+from pandas._libs.tslibs.fields import (
+    get_date_field,
+    get_start_end_field,
+    get_timedelta_field,
+)
+
+from .tslib import _sizes
+
+
+class TimeGetTimedeltaField:
+    params = [
+        _sizes,
+        ["days", "h", "s", "seconds", "ms", "microseconds", "us", "ns", "nanoseconds"],
+    ]
+    param_names = ["size", "field"]
+
+    def setup(self, size, field):
+        arr = np.random.randint(0, 10, size=size, dtype="i8")
+        self.i8data = arr
+
+    def time_get_timedelta_field(self, size, field):
+        get_timedelta_field(self.i8data, field)
+
+
+class TimeGetDateField:
+    params = [
+        _sizes,
+        [
+            "Y",
+            "M",
+            "D",
+            "h",
+            "m",
+            "s",
+            "us",
+            "ns",
+            "doy",
+            "dow",
+            "woy",
+            "q",
+            "dim",
+            "is_leap_year",
+        ],
+    ]
+    param_names = ["size", "field"]
+
+    def setup(self, size, field):
+        arr = np.random.randint(0, 10, size=size, dtype="i8")
+        self.i8data = arr
+
+    def time_get_date_field(self, size, field):
+        get_date_field(self.i8data, field)
+
+
+class TimeGetStartEndField:
+    params = [
+        _sizes,
+        ["start", "end"],
+        ["month", "quarter", "year"],
+        ["B", None, "QS"],
+        [12, 3, 5],
+    ]
+    param_names = ["size", "side", "period", "freqstr", "month_kw"]
+
+    def setup(self, size, side, period, freqstr, month_kw):
+        arr = np.random.randint(0, 10, size=size, dtype="i8")
+        self.i8data = arr
+
+        self.attrname = f"is_{period}_{side}"
+
+    def time_get_start_end_field(self, size, side, period, freqstr, month_kw):
+        get_start_end_field(self.i8data, self.attrname, freqstr, month_kw=month_kw)