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74 lines
2.1 KiB
74 lines
2.1 KiB
// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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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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//
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#include "paddle/fluid/operators/distributed/brpc/brpc_variable_response.h"
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#include "paddle/fluid/operators/distributed/send_recv.pb.h"
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namespace paddle {
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namespace operators {
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namespace distributed {
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namespace pb = ::google::protobuf;
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using vr = ::sendrecv::VariableMessage;
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int BRPCVariableResponse::Parse(Source* source) {
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pb::io::ZeroCopyInputStream* input_stream = source->contents();
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pb::io::CodedInputStream input(input_stream);
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input.SetTotalBytesLimit(INT_MAX, INT_MAX);
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while (1) {
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unsigned int tag = 0;
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if (!input.ReadLittleEndian32(&tag)) {
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break;
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}
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uint64_t num_bytes = 0;
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if (!input.ReadLittleEndian64(&num_bytes)) {
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break;
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}
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int field = static_cast<int>(tag);
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int ret = field == 0 ? -1 : field;
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switch (field) {
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case vr::kSerializedFieldNumber: {
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if (!ProcSerializedField(field, &input, num_bytes)) {
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return ret;
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}
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break;
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}
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case vr::kRowsFieldNumber: {
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PADDLE_ENFORCE((meta_.type() == sendrecv::SELECTED_ROWS ||
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meta_.type() == sendrecv::LOD_TENSOR) &&
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meta_.varname() != "",
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"meta info should be got first!");
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if (!CopySelectRowsData(&input, *dev_ctx_, num_bytes)) {
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return ret;
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}
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break;
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}
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default: {
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PADDLE_ENFORCE(false, "not surpported %u fieldnumber", field);
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return ret;
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}
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}
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}
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return 0;
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}
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} // namespace distributed
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} // namespace operators
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} // namespace paddle
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