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!15430 fix the input is the output of graph 

From: @limingqi107
Reviewed-by: @wilfchen,@chujinjin
Signed-off-by: @chujinjin
This commit is contained in:
mindspore-ci-bot 2021-04-20 21:10:04 +08:00 committed by Gitee
parent e0ea2767b7 888bb91290
commit e1c642c955
1 changed files with 7 additions and 4 deletions
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11
mindspore/ccsrc/backend/session/gpu_session.cc
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@ -471,6 +471,7 @@ void GPUSession::UpdateOutputTensors(const VectorRef *outputs,
if (iter != tensor_to_node.end()) {
const auto &node = iter->second.first;
const auto &output_index = iter->second.second;
MS_EXCEPTION_IF_NULL(node);
const auto &address = AnfAlgo::GetMutableOutputAddr(node, output_index);
// The outputs may have the same tensor, so need skip when the tensor has been set to device address.
if ((address == nullptr) || (address->GetPtr() == nullptr)) {
@ -478,10 +479,12 @@ void GPUSession::UpdateOutputTensors(const VectorRef *outputs,
}
tensor->set_device_address(address);
// When the device address of graph output is set in tensor, the graph output need be set new device address,
// to avoid that the device address context of tensor be rewritten in the next step or next loop.
auto new_address = std::make_shared<device::gpu::GPUDeviceAddress>(nullptr, address->GetSize());
AnfAlgo::SetOutputAddr(new_address, output_index, node.get());
// When the device address of graph cnode output is set in tensor, the graph output need be set new device
// address, to avoid that the device address context of tensor be rewritten in the next step or next loop.
if (node->isa<CNode>()) {
auto new_address = std::make_shared<device::gpu::GPUDeviceAddress>(nullptr, address->GetSize());
AnfAlgo::SetOutputAddr(new_address, output_index, node.get());
}
if (AnfAlgo::IsDynamicShape(node)) {
const auto &updated_shape = AnfAlgo::GetOutputInferShape(node, output_index);