Created
January 31, 2017 19:37
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from joblib import Parallel, delayed | |
import Queue | |
import os | |
# Define number of GPUs available | |
N_GPU = 4 | |
# Put indices in queue | |
q = Queue.Queue(maxsize=N_GPU) | |
for i in range(N_GPU): | |
q.put(i) | |
def runner(x): | |
gpu = q.get() | |
print (x, gpu) | |
# Put here your job cmd | |
cmd = "python main.py %s" % x | |
os.system("CUDA_VISIBLE_DEVICES=%d %s" % (gpu, cmd)) | |
# return gpu id to queue | |
q.put(gpu) | |
# Change loop | |
Parallel(n_jobs=N_GPU, backend="threading")( | |
delayed(runner)(i) for i in range(100)) |
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Thank you. I was wondering whether it can be generalized to non-threading backends and for the "multiprocessing" backend, I have found the solution at which uses multiprocessing.Queue.