forked from mindspore-Ecosystem/mindspore
60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
# Copyright 2020 Huawei Technologies Co., Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import numpy as np
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import mindspore as ms
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from mindspore import context, Tensor, Parameter
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from mindspore.common.api import _executor
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from mindspore.nn import Cell, TrainOneStepCell, Momentum
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from mindspore.ops import operations as P
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class Net(Cell):
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def __init__(self, matmul_weight, strategy1=None):
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super().__init__()
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self.gatherv2 = P.Gather().shard(strategy1)
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self.reshape = P.Reshape().add_prim_attr("skip_redistribution", True)
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self.matmul = P.MatMul(transpose_b=False)
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self.index = Tensor(np.ones([64, 64]), dtype=ms.int32)
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self.matmul_weight = Parameter(matmul_weight, "w1")
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self.axis = 0
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def construct(self, x, b):
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out = self.gatherv2(x, self.index, self.axis)
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out = self.reshape(out, (64, -1))
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out = self.matmul(out, self.matmul_weight)
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return out
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_w1 = Tensor(np.ones([4096, 32]), dtype=ms.float32)
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_x = Tensor(np.ones([64, 64]), dtype=ms.float32)
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_b = Tensor(np.ones([128, 64, 32]), dtype=ms.float32)
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def compile_net(net):
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context.set_context(save_graphs=False)
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optimizer = Momentum(net.trainable_params(), learning_rate=0.1, momentum=0.9)
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train_net = TrainOneStepCell(net, optimizer)
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train_net.set_auto_parallel()
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train_net.set_train()
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_executor.compile(train_net, _x, _b)
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context.reset_auto_parallel_context()
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def test_reshape_skip_redistribution():
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context.set_auto_parallel_context(parallel_mode="semi_auto_parallel", device_num=8, global_rank=0)
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strategy1 = ((1, 8), (1, 1))
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net = Net(_w1, strategy1)
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compile_net(net)
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