58 lines
1.6 KiB
Python
58 lines
1.6 KiB
Python
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import time
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'''import matplotlib.pyplot as plt'''
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# Durations to measure in seconds
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durations = [0.01, 0.1, 1.0]
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# Number of repetitions
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num_repetitions = 100
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# Lists to store jitter for each duration
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jitter_10ms = []
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jitter_100ms = []
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jitter_1s = []
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# Function to measure jitter
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def measure_jitter(duration):
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start_time = time.perf_counter_ns()
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time.sleep(duration)
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end_time = time.perf_counter_ns()
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return end_time - start_time
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# Measure jitter for each duration and repeat for num_repetitions times
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for duration in durations:
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for _ in range(num_repetitions):
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jitter = measure_jitter(duration)
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if duration == 0.01:
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jitter_10ms.append(jitter)
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elif duration == 0.1:
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jitter_100ms.append(jitter)
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elif duration == 1.0:
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jitter_1s.append(jitter)
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'''
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# Create histograms for each duration's jitter
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plt.hist(jitter_10ms, bins=10, color='r', alpha=0.5, label='10ms')
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plt.hist(jitter_100ms, bins=10, color='g', alpha=0.5, label='100ms')
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plt.hist(jitter_1s, bins=10, color='b', alpha=0.5, label='1s')
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plt.xlabel('Jitter (ns)')
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plt.ylabel('Frequency')
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plt.title('Jitter of time.sleep() for Different Durations')
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plt.legend()
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plt.show()
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'''
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import random
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import secrets
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# Create a dictionary with 1 million integer keys
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dict = {}
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for i in range(1000000):
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# Generate a random 64-byte value as bytes
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random_value = secrets.token_bytes(64)
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# Convert the bytes value to hexadecimal representation
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hex_value = random_value.hex()
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# Add the key-value pair to the dictionary
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dict[i] = hex_value
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print("Dictionary created with 1 million integer keys.")
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