示例#1
0
def manual_time(filename, compare = False):
    """Calculates the runtime of given functions using time module and
        writes the results to file

    Args:
        filename (str): Filename of the report
        Compares (bool): A variable to extract the runtime using timeit module

    """

    total_time = []

    function_names = ["random_array", "snake_loop", "loop"]



    # Timing the functions
    iterations = 3
    for i in range(iterations):

        start_time = time.time()
        array = tst.random_array(1e5)
        end_time = time.time()
        a = round(end_time - start_time, 5)

        start_time = time.time()
        filtered_array = tst.snake_loop(array)
        end_time = time.time()
        b = round(end_time - start_time, 5)

        start_time = time.time()
        filtered_array_snack = tst.loop(array)
        end_time = time.time()
        c = round(end_time - start_time, 5)

        # Creating the table format to the report
        if a > b and a > c:
            d = "random_array"
        elif b > a and b > c:
            d = "snake_loop"
        else:
            d = "loop"

        t = "Measurement " + str(i+1)
        column = t, a, b, c, d
        total_time.append(column)

    if compare:
        return total_time
    else:
        Write_Results_To_File(filename, function_names, total_time)
示例#2
0
import cProfile
import io

import test_slow_rectangle as t

# f = open("cProfile_report.txt", "w")

mycode = '''
arr = t.random_array(1e5)
t.snake_loop(arr)
'''

filename = "cProfile_report.txt"

pr = cProfile.Profile()
res = pr.run(mycode)
res.dump_stats(filename)
# res.print_stats()
#
# f.write(res.print_stats())
# f.close()

# TODO: compare cProfile to timeit and manual time
示例#3
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import test_slow_rectangle as tsr
import timeit as tit
import numpy as np


file = open("timeit_reportit.txt", "w")

for i in range(3):
    start_random_array = tit.default_timer()
    array = tsr.random_array(1e5)
    end_random_array = tit.default_timer()

    # times['random_array']= float(end_random_array - start_random_array)

    start_snake_loop = tit.default_timer()
    filtered_array = tsr.snake_loop(array)
    end_snake_loop = tit.default_timer()

    # times['snake_loop']= float(end_snake_loop - start_snake_loop)

    start_snack_loop = tit.default_timer()
    filtered_array_snack = tsr.loop(array)
    end_snack_loop = tit.default_timer()

    # times['snack_loop']= float(end_snack_loop - start_snack_loop)

    times = {'random_array': float(end_random_array - start_random_array),  \
     'snake_loop': float(end_snake_loop - start_snake_loop), \
     'snack_loop': float(end_snack_loop - start_snack_loop)}

    file.write(f"-------- run number {i} ------- \n \n")
示例#4
0
    print("Method random_array() took: {:.4}s".format(t1 - t0))
f.write("random_array() runtime: {:.4}s\n".format(smallest))

for i in range(3):
    smallest = float("inf")
    t0 = time.time()
    t.loop(arr)
    t1 = time.time()
    runtime = t1 - t0
    if i == 0:
        smallest = runtime
    elif runtime < smallest:
        smallest = runtime
    print("Method loop() took: {:.4}s".format(t1 - t0))
f.write("loop() runtime: {:.4}s\n".format(smallest))

for i in range(3):
    smallest = float("inf")
    t0 = time.time()
    t.snake_loop(arr)
    t1 = time.time()
    runtime = t1 - t0
    if i == 0:
        smallest = runtime
    elif runtime < smallest:
        smallest = runtime
    print("Method snake_loop() took: {:.4}s".format(t1 - t0))
f.write("snake_loop() runtime: {:.4}s\n".format(smallest))

f.close()
示例#5
0
random_array = tsr.random_array(1E5)

pr.disable()
s = io.StringIO()
ps = pstats.Stats(pr, stream=s).sort_stats('tottime')
ps.print_stats()

print("random_array")
with open('cProfile_report.txt', 'w+') as f:
    f.write("random array \n")
    f.write(s.getvalue())

pr.enable()

filtered_array = tsr.snake_loop(random_array)

pr.disable()
s = io.StringIO()
ps = pstats.Stats(pr, stream=s).sort_stats('tottime')
ps.print_stats()

print("snake_loop")
with open('cProfile_report.txt', 'a') as f:
    f.write("\n snake_loop \n")
    f.write(s.getvalue())

pr.enable()

filtered_array_snack = tsr.loop(random_array)