zheng-da commented on a change in pull request #10433: [MXNET-290] MKLDNN 
support for model quantization
URL: https://github.com/apache/incubator-mxnet/pull/10433#discussion_r183134801
 
 

 ##########
 File path: src/operator/quantization/mkldnn/mkldnn_quantize-inl.h
 ##########
 @@ -0,0 +1,107 @@
+/*
+ * 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 mkldnn_quantize-inl.h
+ * \brief
+ * \author Wenting Jiang
+ */
+
+#ifndef MXNET_OPERATOR_QUANTIZATION_MKLDNN_MKLDNN_QUANTIZE_INL_H_
+#define MXNET_OPERATOR_QUANTIZATION_MKLDNN_MKLDNN_QUANTIZE_INL_H_
+#if MXNET_USE_MKLDNN == 1
+#include <string>
+#include <algorithm>
+#include <vector>
+#include "../quantize-inl.h"
+#include "../../nn/mkldnn/mkldnn_base-inl.h"
+
+namespace mxnet {
+namespace op {
+
+template<typename SrcType, typename DstType>
+void MKLDNNQuantizeComputeKer(const std::vector<NDArray>& inputs,
+                              const std::vector<NDArray>& outputs,
+                              const QuantizeParam& param,
+                              const std::vector<OpReqType> &req) {
+  using namespace mshadow;
+  using namespace mxnet_op;
+  using red::limits::MaxValue;
+  using red::limits::MinValue;
+  float real_range = 0.0;
+  float quantized_range = 0.0;
+  if (param.out_type == mshadow::kUint8) {
+    real_range = MaxAbs(*inputs[1].data().dptr<float>(), 
*inputs[2].data().dptr<float>());
 
 Review comment:
   should "float" be SrcType?

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