Module with C functions. No precise purpose yet.
Project description
cpyquickhelper: python + C++ in different ways
cpyquickhelper is a template to create a module with C functions in different ways. It implements function measure_time:
from cpyquickhelper.numbers import measure_time from math import cos res = measure_time(lambda: cos(0.5)) print(res)
{'average': 3.909366205334663e-06, 'deviation': 6.238702219064397e-07, 'min_exec': 3.635883331298828e-06, 'max_exec': 5.776062607765198e-06, 'repeat': 10, 'number': 50, 'context_size': 240}
It also implements an event profiler: it logs the timestamp for every event such as functions call or returns, memory allocations.
import io import numpy from cpyquickhelper.profiling import EventProfiler def custom_array(N): a = numpy.zeros((N, N)) a[:, 0] = 1 a[0, :] = 1 return a ev = EventProfiler(impl='c') ev.start() custom_array(3) ev.stop() df = ev.retrieve_results() # DataFrame st = io.StringIO() df.to_csv(st, index=False) print(st.getvalue().replace("\r", ""))
time,value1,value2,event,name,mod,lineno,from_name,from_mod,from_line 822467345556400,0,0,return,_setup_profiler,cpyquickhelper/profiling/event_profiler.py,153,start,cpyquickhelper/profiling/event_profiler.py,126 822467345566700,0,0,c_call,_profiling_register_pyinstance,cpyquickhelper.profiling._event_profiler_c,109,_profiling_register_pyinstance,k.py,19 822467345569000,0,0,c_return,_profiling_register_pyinstance,cpyquickhelper.profiling._event_profiler_c,109,_profiling_register_pyinstance,k.py,19 822467345569700,0,0,return,start,cpyquickhelper/profiling/event_profiler.py,109,<module>,k.py,19 822467345575100,0,0,call,custom_array,k.py,5,<module>,k.py,19 822467345579600,0,0,c_call,zeros,numpy,5,zeros,k.py,19 822467345584300,2698130437280,32,malloc,start,cpyquickhelper/profiling/event_profiler.py,109,<module>,k.py,19 822467345590500,0,0,c_return,zeros,numpy,5,zeros,k.py,19 822467345598200,0,0,free,start,cpyquickhelper/profiling/event_profiler.py,109,<module>,k.py,19 822467345600400,0,0,free,start,cpyquickhelper/profiling/event_profiler.py,109,<module>,k.py,19 822467345600900,0,0,return,ndarray,numpy,5,ndarray,k.py,19 822467345603200,0,0,call,stop,cpyquickhelper/profiling/event_profiler.py,128,<module>,k.py,19 822467345604900,0,0,call,_restore_profiler,cpyquickhelper/profiling/event_profiler.py,168,stop,cpyquickhelper/profiling/event_profiler.py,151 822467345605600,0,0,c_call,setprofile,sys,168,setprofile,cpyquickhelper/profiling/event_profiler.py,151
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