def main():
nodes = torc.num_nodes()
if nodes < 2:
print("This examples needs at least two MPI processes. Exiting...")
return
local_workers = torc.num_local_workers()
if local_workers > 1:
print("This examples should use one worker thread per MPI process. Exiting...")
return
ntasks = 16
sequence = range(1, ntasks + 1)
t0 = torc.gettime()
t_all = []
for i in sequence:
try:
task = torc.submit(work, i, qid=1)
t_all.append(task)
except ValueError:
print("torc.submit: invalid argument")
torc.enable_stealing()
torc.wait()
t1 = torc.gettime()
torc.disable_stealing()
for task in t_all:
print("Received: {}^2={}".format(task.input(), task.result()))
print("Elapsed time={:.2f} s".format(t1 - t0))
def main():
data = range(10)
tasks = []
for d in data:
tasks.append(torc.submit(work, d))
torc.wait()
for t in tasks:
print(t.result())
def main():
data = range(10)
tasks = []
for d in data:
t = torc.submit(work, d, callback=cb)
tasks.append(t)
torc.wait()
print("Sum=", sum_v) # should be 285 = 0^2 + 1^2 + ... + 9^2
def fib(n):
if n == 0:
result = 0
elif n == 1:
result = 1
else:
n_1 = n - 1
n_2 = n - 2
if n < 30:
result1 = fib(n_1)
result2 = fib(n_2)
result = result1 + result2
else:
task1 = torc.submit(fib, n_1)
task2 = torc.submit(fib, n_2)
torc.wait()
result = task1.result() + task2.result()
return result
def main():
ntasks = 4
sequence = range(1, ntasks + 1)
t0 = torc.gettime()
t_all = []
for i in sequence:
task = torc.submit(work, i, callback=cb)
t_all.append(task)
torc.wait()
t1 = torc.gettime()
for task in t_all:
print("Received: {}^2={}".format(task.input(), task.result()))
print("Elapsed time={:.2f} s".format(t1 - t0))
def main():
ntasks = 4
sequence = range(1, ntasks + 1)
t0 = torc.gettime()
tasks = []
for i in sequence:
task = torc.submit(work, i, xx=i + 1)
tasks.append(task)
torc.wait()
t1 = torc.gettime()
for t in tasks:
print("Received: {}^2={:.3f}".format(t.input(), t.result()))
print("1-Elapsed time={:.2f} s".format(t1 - t0))
def main():
ntasks = 4
sequence = range(1, ntasks + 1)
t0 = torcpy.gettime()
tasks = []
for i in sequence:
task = torcpy.submit(work, i)
tasks.append(task)
torcpy.wait()
t1 = torcpy.gettime()
print("elapsed time={:.3f} s".format(t1-t0))
for t in tasks:
inp = t.input()
res = t.result()
ref = work(inp)
assert(res == ref)
def main():
with torc.TorcPoolExecutor():
print('with statement block')
ntasks = 4
sequence = range(1, ntasks + 1)
t0 = torc.gettime()
tasks = []
for i in sequence:
task = torc.submit(work, i)
tasks.append(task)
for t in torc.as_completed(tasks):
print("1-Received: {}^2={:.3f}".format(t.input(), t.result()))
t1 = torc.gettime()
print("1-Elapsed time={:.2f} s".format(t1 - t0))
print("After first session")
with torc.TorcPoolExecutor() as executor:
ntasks = 4
sequence = range(1, ntasks + 1)
t0 = torc.gettime()
tasks = []
for i in sequence:
task = executor.submit(work, i)
tasks.append(task)
executor.wait()
t1 = torc.gettime()
for t in tasks:
print("2-Received: {}^2={:.3f}".format(t.input(), t.result()))
print("2-Elapsed time={:.2f} s".format(t1 - t0))
print("After second session")
def main():
# tr.print_diff()
ntasks = 4 # 100000
sequence = range(1, ntasks + 1)
t0 = torc.gettime()
tasks = []
for i in sequence:
task = torc.submit(work, i)
tasks.append(task)
torc.wait()
t1 = torc.gettime()
for t in tasks:
print("Received: sqrt({})={:.3f}".format(t.input(), t.result()))
del tasks
# tr.print_diff()
print("Elapsed time={:.2f} s".format(t1 - t0))