Created
March 23, 2021 11:37
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Counter per second with ray
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import ray | |
# Start ray cluster with 3 cpu's | |
ray.init(num_cpus=3) | |
# @ray.remote decorator enables to use this | |
# function in distributed setting | |
@ray.remote | |
def count_per_second(x): | |
start = time.time() | |
counter = 0 | |
while time.time() - start < 1: | |
counter += 1 | |
return counter | |
start = time.time() | |
# Run the function 9 times using multiple cores and gather the results | |
results = ray.get([count_per_second.remote(x) for x in range(9)]) | |
print("duration =", time.time() - start) | |
print("results =", results) | |
# Output: | |
# duration = 3.0135035514831543 | |
# results = [711212, 702964, 708731, 667317, 665449, 667194, 643504, 641866, 647487] |
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