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Paddle/python/paddle/fluid/tests/unittests/test_dist_train.py

107 lines
3.6 KiB

# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import time
import unittest
from multiprocessing import Process
import numpy
import paddle.fluid as fluid
import paddle.fluid.layers as layers
class TestSendOp(unittest.TestCase):
@unittest.skip(
"This test is buggy. We cannot use time.sleep to sync processes, the connection may fail in unittest."
)
def test_send(self):
# Run init_serv in a thread
place = fluid.CPUPlace()
# NOTE: python thread will not work here due to GIL.
p = Process(target=self.init_serv, args=(place, ))
p.daemon = True
p.start()
time.sleep(10)
with open("/tmp/paddle.%d.port" % p.pid, "r") as fn:
selected_port = int(fn.readlines()[0])
self.init_client(place, selected_port)
self.run_local(place)
self.assertTrue(numpy.allclose(self.local_out, self.dist_out))
# FIXME(typhoonzero): find a way to gracefully shutdown the server.
os.system("kill -9 %d" % p.pid)
p.join()
def init_serv(self, place):
main = fluid.Program()
with fluid.program_guard(main):
serv = layers.ListenAndServ(
"127.0.0.1:0", ["X"], optimizer_mode=False)
with serv.do():
out_var = main.global_block().create_var(
name="scale_0.tmp_0",
psersistable=True,
dtype="float32",
shape=[32, 32])
x = layers.data(
shape=[32, 32],
dtype='float32',
name="X",
append_batch_size=False)
fluid.initializer.Constant(value=1.0)(x, main.global_block())
layers.scale(x=x, scale=10.0, out=out_var)
self.server_exe = fluid.Executor(place)
self.server_exe.run(main)
def init_client(self, place, port):
main = fluid.Program()
with fluid.program_guard(main):
x = layers.data(
shape=[32, 32],
dtype='float32',
name='X',
append_batch_size=False)
fluid.initializer.Constant(value=2.3)(x, main.global_block())
get_var = main.global_block().create_var(
name="scale_0.tmp_0", # server side var
dtype="float32",
persistable=False,
shape=[32, 32])
o = layers.Send("127.0.0.1:%d" % port, [x], [get_var])
exe = fluid.Executor(place)
self.dist_out = exe.run(main, fetch_list=o) # o is a list
def run_local(self, place):
main = fluid.Program()
with fluid.program_guard(main):
x = layers.data(
shape=[32, 32],
dtype='float32',
name='X',
append_batch_size=False)
fluid.initializer.Constant(value=2.3)(x, main.global_block())
o = layers.scale(x=x, scale=10.0)
exe = fluid.Executor(place)
self.local_out = exe.run(main, fetch_list=[o])
if __name__ == "__main__":
unittest.main()