|
# Licensed to the Apache Software Foundation (ASF) under one
|
||
|
|
# or more contributor license agreements. See the NOTICE file
|
||
|
|
# distributed with this work for additional information
|
||
|
|
# regarding copyright ownership. The ASF licenses this file
|
||
|
|
# to you 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 mxnet as mx
|
||
|
|
import numpy as np
|
||
|
|
import unittest
|
||
|
|
import os
|
||
|
|
|
||
|
|
shapes = [(10), (100), (1000), (10000), (100000), (2,2), (2,3,4,5,6,7,8)]
|
||
|
|
keys = [1,2,3,4,5,6,7]
|
||
|
|
num_gpus = len(mx.test_utils.list_gpus())
|
||
|
|
|
||
|
|
|
||
|
|
if num_gpus > 8 :
|
||
|
|
print("The machine has {} gpus. We will run the test on 8 gpus.".format(num_gpus))
|
||
|
|
print("There is a limit for all PCI-E hardware on creating number of P2P peers. The limit is 8.")
|
||
|
|
num_gpus = 8;
|
||
|
|
|
||
|
|
gpus = range(1, 1+num_gpus)
|
||
|
|
|
||
|
|
class EnvManager:
|
||
|
|
def __init__(self, key, val):
|
||
|
|
self._key = key
|
||
|
|
self._next_val = val
|
||
|
|
self._prev_val = None
|
||
|
|
|
||
|
|
def __enter__(self):
|
||
|
|
try:
|
||
|
|
self._prev_val = os.environ[self._key]
|
||
|
|
except KeyError:
|
||
|
|
self._prev_val = ''
|
||
|
|
os.environ[self._key] = self._next_val
|
||
|
|
|
||
|
|
def __exit__(self, ptype, value, trace):
|
||
|
|
os.environ[self._key] = self._prev_val
|
||
|
|
|
||
|
|
def test_device_pushpull():
|
||
|
|
def check_dense_pushpull(kv_type):
|
||
|
|
for shape, key in zip(shapes, keys):
|
||
|
|
for n_gpus in gpus:
|
||
|
|
kv_device = mx.kv.create(kv_type)
|
||
|
|
a = mx.nd.ones(shape, mx.gpu(0))
|
||
|
|
cur_key = str(key*max(gpus)+n_gpus)
|
||
|
|
kv_device.init(cur_key, a)
|
||
|
|
arr_list = [mx.nd.ones(shape, mx.gpu(x)) for x in range(n_gpus)]
|
||
|
|
res = [mx.nd.zeros(shape, mx.gpu(x)) for x in range(n_gpus)]
|
||
|
|
kv_device.push(cur_key, arr_list)
|
||
|
|
kv_device.pull(cur_key, res)
|
||
|
|
for x in range(n_gpus):
|
||
|
|
assert(np.sum(np.abs((res[x]-n_gpus).asnumpy()))==0)
|
||
|
|
|
||
|
|
envs1 = '1'
|
||
|
|
key1 = 'MXNET_KVSTORE_TREE_ARRAY_BOUND'
|
||
|
|
envs2 = ['','1']
|
||
|
|
key2 = 'MXNET_KVSTORE_USETREE'
|
||
|
|
for i in range(2):
|
||
|
|
for val2 in envs2:
|
||
|
|
with EnvManager(key2, val2):
|
||
|
|
check_dense_pushpull('local')
|
||
|
|
check_dense_pushpull('device')
|
||
|
|
|
||
|
|
os.environ[key1] = envs1
|
||
|
|
os.environ[key1] = ''
|
||
|
|
|
||
|
|
print ("Passed")
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
test_device_pushpull()
|