[GitHub] [incubator-mxnet] bartekkuncer commented on a change in pull request #20962: [operator] Integrate oneDNN eltwise primitive to mxnet _npi_multiply_…

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bartekkuncer commented on a change in pull request #20962:
URL: https://github.com/apache/incubator-mxnet/pull/20962#discussion_r827947996



##########
File path: src/operator/nn/dnnl/dnnl_multiply_scalar-inl.h
##########
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*!
+ * \file dnnl_multiply_scalar-inl.h
+ */
+
+#ifndef MXNET_OPERATOR_NN_DNNL_DNNL_MULTIPLY_SCALAR_INL_H_
+#define MXNET_OPERATOR_NN_DNNL_DNNL_MULTIPLY_SCALAR_INL_H_
+
+#if MXNET_USE_ONEDNN == 1
+
+#include "operator/numpy/np_elemwise_broadcast_op.h"
+
+namespace mxnet {
+namespace op {
+
+using eltwise_fwd_t    = dnnl::eltwise_forward;
+using eltwise_fwd_pd_t = dnnl::eltwise_forward::primitive_desc;
+
+class DNNLMultiplyScalarFwd {
+ public:
+  static DNNLMultiplyScalarFwd& GetMultiplyScalarForward(const nnvm::NodeAttrs& attrs,
+                                                         const NDArray& input,
+                                                         const NDArray& outputs);
+
+  DNNLMultiplyScalarFwd(const NDArray& input, const float multiplier);
+
+  void Execute(const NDArray& input, const OpReqType& req, const NDArray& output);
+
+ private:
+  std::shared_ptr<eltwise_fwd_t> fwd;
+  std::shared_ptr<eltwise_fwd_pd_t> fwd_pd;
+};
+
+typedef OpSignature DNNLMultiplyScalarSignature;
+
+void DNNLMultiplyScalarForward(const nnvm::NodeAttrs& attrs,

Review comment:
       To be deleted.




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