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authorMikhail Borisov <borisov.mikhail@gmail.com>2022-02-10 16:45:39 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:39 +0300
commita6a92afe03e02795227d2641b49819b687f088f8 (patch)
treef6984a1d27d5a7ec88a6fdd6e20cd5b7693b6ece /contrib/python/ipython/py2/IPython/utils/timing.py
parentc6dc8b8bd530985bc4cce0137e9a5de32f1087cb (diff)
downloadydb-a6a92afe03e02795227d2641b49819b687f088f8.tar.gz
Restoring authorship annotation for Mikhail Borisov <borisov.mikhail@gmail.com>. Commit 1 of 2.
Diffstat (limited to 'contrib/python/ipython/py2/IPython/utils/timing.py')
-rw-r--r--contrib/python/ipython/py2/IPython/utils/timing.py236
1 files changed, 118 insertions, 118 deletions
diff --git a/contrib/python/ipython/py2/IPython/utils/timing.py b/contrib/python/ipython/py2/IPython/utils/timing.py
index 99b7bbc59a..ff88bf664d 100644
--- a/contrib/python/ipython/py2/IPython/utils/timing.py
+++ b/contrib/python/ipython/py2/IPython/utils/timing.py
@@ -1,118 +1,118 @@
-# encoding: utf-8
-"""
-Utilities for timing code execution.
-"""
-
-#-----------------------------------------------------------------------------
-# Copyright (C) 2008-2011 The IPython Development Team
-#
-# Distributed under the terms of the BSD License. The full license is in
-# the file COPYING, distributed as part of this software.
-#-----------------------------------------------------------------------------
-
-#-----------------------------------------------------------------------------
-# Imports
-#-----------------------------------------------------------------------------
-
-import time
-
-from .py3compat import xrange
-
-#-----------------------------------------------------------------------------
-# Code
-#-----------------------------------------------------------------------------
-
-# If possible (Unix), use the resource module instead of time.clock()
-try:
- import resource
- def clocku():
- """clocku() -> floating point number
-
- Return the *USER* CPU time in seconds since the start of the process.
- This is done via a call to resource.getrusage, so it avoids the
- wraparound problems in time.clock()."""
-
- return resource.getrusage(resource.RUSAGE_SELF)[0]
-
- def clocks():
- """clocks() -> floating point number
-
- Return the *SYSTEM* CPU time in seconds since the start of the process.
- This is done via a call to resource.getrusage, so it avoids the
- wraparound problems in time.clock()."""
-
- return resource.getrusage(resource.RUSAGE_SELF)[1]
-
- def clock():
- """clock() -> floating point number
-
- Return the *TOTAL USER+SYSTEM* CPU time in seconds since the start of
- the process. This is done via a call to resource.getrusage, so it
- avoids the wraparound problems in time.clock()."""
-
- u,s = resource.getrusage(resource.RUSAGE_SELF)[:2]
- return u+s
-
- def clock2():
- """clock2() -> (t_user,t_system)
-
- Similar to clock(), but return a tuple of user/system times."""
- return resource.getrusage(resource.RUSAGE_SELF)[:2]
-except ImportError:
- # There is no distinction of user/system time under windows, so we just use
- # time.clock() for everything...
- clocku = clocks = clock = time.clock
- def clock2():
- """Under windows, system CPU time can't be measured.
-
- This just returns clock() and zero."""
- return time.clock(),0.0
-
-
-def timings_out(reps,func,*args,**kw):
- """timings_out(reps,func,*args,**kw) -> (t_total,t_per_call,output)
-
- Execute a function reps times, return a tuple with the elapsed total
- CPU time in seconds, the time per call and the function's output.
-
- Under Unix, the return value is the sum of user+system time consumed by
- the process, computed via the resource module. This prevents problems
- related to the wraparound effect which the time.clock() function has.
-
- Under Windows the return value is in wall clock seconds. See the
- documentation for the time module for more details."""
-
- reps = int(reps)
- assert reps >=1, 'reps must be >= 1'
- if reps==1:
- start = clock()
- out = func(*args,**kw)
- tot_time = clock()-start
- else:
- rng = xrange(reps-1) # the last time is executed separately to store output
- start = clock()
- for dummy in rng: func(*args,**kw)
- out = func(*args,**kw) # one last time
- tot_time = clock()-start
- av_time = tot_time / reps
- return tot_time,av_time,out
-
-
-def timings(reps,func,*args,**kw):
- """timings(reps,func,*args,**kw) -> (t_total,t_per_call)
-
- Execute a function reps times, return a tuple with the elapsed total CPU
- time in seconds and the time per call. These are just the first two values
- in timings_out()."""
-
- return timings_out(reps,func,*args,**kw)[0:2]
-
-
-def timing(func,*args,**kw):
- """timing(func,*args,**kw) -> t_total
-
- Execute a function once, return the elapsed total CPU time in
- seconds. This is just the first value in timings_out()."""
-
- return timings_out(1,func,*args,**kw)[0]
-
+# encoding: utf-8
+"""
+Utilities for timing code execution.
+"""
+
+#-----------------------------------------------------------------------------
+# Copyright (C) 2008-2011 The IPython Development Team
+#
+# Distributed under the terms of the BSD License. The full license is in
+# the file COPYING, distributed as part of this software.
+#-----------------------------------------------------------------------------
+
+#-----------------------------------------------------------------------------
+# Imports
+#-----------------------------------------------------------------------------
+
+import time
+
+from .py3compat import xrange
+
+#-----------------------------------------------------------------------------
+# Code
+#-----------------------------------------------------------------------------
+
+# If possible (Unix), use the resource module instead of time.clock()
+try:
+ import resource
+ def clocku():
+ """clocku() -> floating point number
+
+ Return the *USER* CPU time in seconds since the start of the process.
+ This is done via a call to resource.getrusage, so it avoids the
+ wraparound problems in time.clock()."""
+
+ return resource.getrusage(resource.RUSAGE_SELF)[0]
+
+ def clocks():
+ """clocks() -> floating point number
+
+ Return the *SYSTEM* CPU time in seconds since the start of the process.
+ This is done via a call to resource.getrusage, so it avoids the
+ wraparound problems in time.clock()."""
+
+ return resource.getrusage(resource.RUSAGE_SELF)[1]
+
+ def clock():
+ """clock() -> floating point number
+
+ Return the *TOTAL USER+SYSTEM* CPU time in seconds since the start of
+ the process. This is done via a call to resource.getrusage, so it
+ avoids the wraparound problems in time.clock()."""
+
+ u,s = resource.getrusage(resource.RUSAGE_SELF)[:2]
+ return u+s
+
+ def clock2():
+ """clock2() -> (t_user,t_system)
+
+ Similar to clock(), but return a tuple of user/system times."""
+ return resource.getrusage(resource.RUSAGE_SELF)[:2]
+except ImportError:
+ # There is no distinction of user/system time under windows, so we just use
+ # time.clock() for everything...
+ clocku = clocks = clock = time.clock
+ def clock2():
+ """Under windows, system CPU time can't be measured.
+
+ This just returns clock() and zero."""
+ return time.clock(),0.0
+
+
+def timings_out(reps,func,*args,**kw):
+ """timings_out(reps,func,*args,**kw) -> (t_total,t_per_call,output)
+
+ Execute a function reps times, return a tuple with the elapsed total
+ CPU time in seconds, the time per call and the function's output.
+
+ Under Unix, the return value is the sum of user+system time consumed by
+ the process, computed via the resource module. This prevents problems
+ related to the wraparound effect which the time.clock() function has.
+
+ Under Windows the return value is in wall clock seconds. See the
+ documentation for the time module for more details."""
+
+ reps = int(reps)
+ assert reps >=1, 'reps must be >= 1'
+ if reps==1:
+ start = clock()
+ out = func(*args,**kw)
+ tot_time = clock()-start
+ else:
+ rng = xrange(reps-1) # the last time is executed separately to store output
+ start = clock()
+ for dummy in rng: func(*args,**kw)
+ out = func(*args,**kw) # one last time
+ tot_time = clock()-start
+ av_time = tot_time / reps
+ return tot_time,av_time,out
+
+
+def timings(reps,func,*args,**kw):
+ """timings(reps,func,*args,**kw) -> (t_total,t_per_call)
+
+ Execute a function reps times, return a tuple with the elapsed total CPU
+ time in seconds and the time per call. These are just the first two values
+ in timings_out()."""
+
+ return timings_out(reps,func,*args,**kw)[0:2]
+
+
+def timing(func,*args,**kw):
+ """timing(func,*args,**kw) -> t_total
+
+ Execute a function once, return the elapsed total CPU time in
+ seconds. This is just the first value in timings_out()."""
+
+ return timings_out(1,func,*args,**kw)[0]
+