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#include "caffe2/queue/blobs_queue_db.h"
#include <algorithm>
#include <chrono>
#include <random>
#include <string>
#include "caffe2/core/context.h"
#include "caffe2/core/logging.h"
#include "caffe2/core/operator.h"
#include "caffe2/queue/blobs_queue.h"
#ifdef CAFFE2_USE_MKLDNN
#include <caffe2/ideep/operators/operator_fallback_ideep.h>
#include <caffe2/ideep/utils/ideep_operator.h>
#endif
namespace caffe2 {
namespace db {
template <class Context>
class CreateBlobsQueueDBOp : public Operator<CPUContext> {
public:
CreateBlobsQueueDBOp(const OperatorDef& operator_def, Workspace* ws)
: Operator<CPUContext>(operator_def, ws) {}
bool RunOnDevice() override {
std::unique_ptr<db::DB> db = std::make_unique<BlobsQueueDB>(
"",
db::READ,
OperatorBase::Input<std::shared_ptr<BlobsQueue>>(0),
OperatorBase::template GetSingleArgument<int>("key_blob_index", -1),
OperatorBase::template GetSingleArgument<int>("value_blob_index", 0),
OperatorBase::template GetSingleArgument<float>("timeout_secs", 0.0));
OperatorBase::Output<db::DBReader>(0)->Open(std::move(db), 1, 0);
return true;
}
private:
C10_DISABLE_COPY_AND_ASSIGN(CreateBlobsQueueDBOp);
};
REGISTER_CPU_OPERATOR(CreateBlobsQueueDB, CreateBlobsQueueDBOp<CPUContext>);
#ifdef CAFFE2_USE_MKLDNN
REGISTER_IDEEP_OPERATOR(
CreateBlobsQueueDB,
IDEEPFallbackOp<CreateBlobsQueueDBOp<CPUContext>, SkipIndices<0>>);
#endif
OPERATOR_SCHEMA(CreateBlobsQueueDB)
.NumInputs(1)
.NumOutputs(1)
.Arg(
"key_blob_index",
"(default: -1 (no key)) index of blob for DB key in the BlobsQueue.")
.Arg(
"value_blob_index",
"(default: 0) index of blob for DB value in the BlobsQueue.")
.Arg(
"timeout_secs",
"(default: 0.0 (no timeout)) Timeout in seconds for reading from the "
"BlobsQueue.")
.SetDoc("Create a DBReader from a BlobsQueue")
.Input(0, "queue", "The shared pointer to a queue containing Blobs.")
.Output(0, "reader", "The DBReader for the given BlobsQueue");
SHOULD_NOT_DO_GRADIENT(CreateBlobsQueueDB);
} // namespace db
} // namespace caffe2
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