未验证 提交 28013ef9 编写于 作者: Y Yu Yang 提交者: GitHub

Merge pull request #10019 from reyoung/feature/feed_fetch_tensor_on_cpu

Fix FetchTensor on CPU
......@@ -51,23 +51,23 @@ void FetchOpHandle::RunImpl() {
auto *var = static_cast<VarHandle *>(input);
var->generated_op_->Wait(cpu_ctx);
}
tensors_.resize(inputs_.size());
auto *var = static_cast<VarHandle *>(inputs_[0]);
auto &var_name = var->name_;
auto *var_handle = static_cast<VarHandle *>(inputs_[0]);
auto &var_name = var_handle->name_;
platform::CPUPlace cpu;
auto &scopes = *local_scopes_;
for (size_t i = 0; i < scopes.size(); ++i) {
auto &scope = scopes[i];
auto &t = scope->FindVar(kLocalExecScopeName)
->Get<Scope *>()
->FindVar(var_name)
->Get<framework::LoDTensor>();
if (platform::is_gpu_place(var->place_)) {
auto *var =
scope->FindVar(kLocalExecScopeName)->Get<Scope *>()->FindVar(var_name);
PADDLE_ENFORCE_NOT_NULL(var, "Cannot find variable %s in execution scope",
var_name);
auto &t = var->Get<framework::LoDTensor>();
if (platform::is_gpu_place(t.place())) {
#ifdef PADDLE_WITH_CUDA
TensorCopy(t, cpu, *dev_ctxes_[t.place()], &tensors_[i]);
dev_ctxes_[t.place()]->Wait();
dev_ctxes_.at(t.place())->Wait();
#endif
} else {
tensors_[i].ShareDataWith(t);
......
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