33 lines
930 B
Python
Executable file
33 lines
930 B
Python
Executable file
import os
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import timeit
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import numpy as np
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from datetime import datetime
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import time
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# Timestamp that will be put in the file name
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# Get the environment variable for threads
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for threads in range(1,12):
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for _ in range(3):
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timestamp = datetime.now().strftime("%H%M%S%f")
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# A relatively large matrix to work on
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n = 5_000
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x = np.random.random(size=(n, n))
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print(f"We are executed with OMP_NUM_THREADS={threads} for {n=}")
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# Measure the time required for matrix multiplication
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start_time = time.time()
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y = x @ x # The heavy compute
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elapsed_time = time.time() - start_time
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print(f'Time used for matrix multiplication: {elapsed_time:.2f} s')
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# Check if timings folder exists
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if not os.path.isdir('timings/'):
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os.mkdir('timings')
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# IO: Save the timing to a unique txt file
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with open(f'timings/{threads}_threads_t{timestamp}.txt', 'w') as file:
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print(f'{threads},{elapsed_time:.6f}', file=file)
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