41 lines
1 KiB
Python
41 lines
1 KiB
Python
# importing the memory tracking module
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import tracemalloc
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from random import random
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from math import floor, sqrt
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#from statistics import mean, variance
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from time import perf_counter
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# starting the monitoring
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tracemalloc.start()
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start_time = perf_counter()
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# store memory consumption before
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current_before, peak_before = tracemalloc.get_traced_memory()
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N = 10**6
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Tot = 0
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Tot2 = 0
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for _ in range(N):
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item = random()
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Tot += item
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Tot2 += item ** 2
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mean = Tot / N
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variance = Tot2 / (N-1) - mean**2
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# store memory after
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current_after, peak_after = tracemalloc.get_traced_memory()
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end_time = perf_counter()
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print("mean :", mean)
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print("variance :", variance)
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# displaying the memory usage
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print("Used memory before : {} B (current), {} B (peak)".format(current_before,peak_before))
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print("Used memory after : {} B (current), {} B (peak)".format(current_after,peak_after))
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print("Used memory : {} B".format(peak_after - current_before))
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print("Time : {} ms".format((end_time - start_time) * 1000))
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# stopping the library
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tracemalloc.stop()
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