!1051 [东北大学][高校贡献][Mindspore][SqueezeNetResidual]-高性能预训练模型提交+功能

Merge pull request !1051 from 赵立阳/master

.jenkins/check/config/filter_cpplint.txt

@@ -41,3 +41,7 @@
 "models/research/cv/inception_resnet_v2/infer/mxbase/InceptionResnetV2Classify.h" "runtime/references"
 
 "models/official/cv/LearningToSeeInTheDark/infer/mxbase/src/LearningToSeeInTheDark.h"  "runtime/references"
+
+"models/official/cv/squeezenet/infer/mxbase/src/squeezenetResidual.h"  "runtime/references"
+"models/official/cv/squeezenet/infer/mxbase/src/main.cpp"    "runtime/references"
+

official/cv/squeezenet/infer/convert/aipp.config

+aipp_op{
+    aipp_mode : static
+    input_format : RGB888_U8
+    rbuv_swap_switch : true
+
+    mean_chn_0 : 0
+    mean_chn_1 : 0
+    mean_chn_2 : 0
+    min_chn_0 : 123.675
+    min_chn_1 : 116.28
+    min_chn_2 : 103.53
+    var_reci_chn_0 : 0.0171247538316637
+    var_reci_chn_1 : 0.0175070028011204
+    var_reci_chn_2 : 0.0174291938997821
+}

official/cv/squeezenet/infer/convert/atc.sh

+#!/bin/bash
+if [ $# != 2 ]
+then
+  echo "Wrong parameter format."
+  echo "Usage:"
+  echo "        bash $0 [INPUT_AIR_PATH] [OUTPUT_OM_PATH_NAME]"
+  echo "Example"
+  echo "        bash convert_om.sh xxx.air xx"
+
+  exit 1
+fi
+
+input_air_path=$1
+output_om_path=$2
+
+export install_path=/usr/local/Ascend
+
+export ASCEND_ATC_PATH=${install_path}/atc
+export LD_LIBRARY_PATH=${install_path}/atc/lib64:$LD_LIBRARY_PATH
+export PATH=/usr/local/python3.7.5/bin:${install_path}/atc/ccec_compiler/bin:${install_path}/atc/bin:$PATH
+export PYTHONPATH=${install_path}/atc/python/site-packages:${install_path}/atc/python/site-packages/auto_tune.egg/auto_tune:${install_path}/atc/python/site-packages/schedule_search.egg:$PYTHONPATH
+
+export ASCEND_OPP_PATH=${install_path}/opp
+export ASCEND_SLOG_PRINT_TO_STDOUT=1
+
+echo "Input AIR file path: ${input_air_path}"
+echo "Output OM file path: ${output_om_path}"
+
+
+atc --framework=1 \
+    --input_format=NCHW \
+    --model="${input_air_path}" \
+    --output="${output_om_path}" \
+    --insert_op_conf=./aipp.config \
+    --soc_version=Ascend310 \
+    --output_type=FP32 \
+    --op_select_implmode=high_precision

official/cv/squeezenet/infer/convert/convert.py

+# Copyright 2021 Huawei Technologies Co., Ltd
+#
+# Licensed 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.
+# ============================================================================
+
+
+import sys
+
+def convert(input_path, output_path):
+    data = []
+    with open(input_path, 'r') as f:
+        for line in f.readlines():
+            data.append(line[10:-1])
+    fp = open(output_path, 'a', encoding='utf-8')
+    for name in data:
+        fp.write(name+'\n')
+
+
+if __name__ == '__main__':
+    if len(sys.argv) != 3:
+        print("Wrong parameter format.")
+        print("Usage:")
+        print("    python3 convert.py [SYN__PATH] [NAMES_OUTPUT_PATH_NAME]")
+        sys.exit()
+    input_p = sys.argv[1]
+    output_p = sys.argv[2]
+    convert(input_p, output_p)

official/cv/squeezenet/infer/data/config/squeezenet.pipeline

+{
+    "im_squeezenetResidual": {
+        "stream_config": {
+            "deviceId": "0"
+        },
+        "appsrc0": {
+            "propc": {
+                "blocksize": "409600"
+            },
+            "factory": "appsrc",
+            "next": "mxpi_imagedecoder0"
+        },
+        "mxpi_imagedecoder0": {
+            "props": {
+                "handleMethod": "opencv"
+            },
+            "factory": "mxpi_imagedecoder",
+            "next": "mxpi_imageresize0"
+        },
+        "mxpi_imageresize0": {
+            "props": {
+                "handleMethod": "opencv",
+                "resizeType": "Resizer_Stretch",
+                "resizeHeight": "256",
+                "resizeWidth": "256"
+            },
+            "factory": "mxpi_imageresize",
+            "next": "mxpi_opencvcentercrop0"
+        },
+        "mxpi_opencvcentercrop0": {
+            "props": {
+                "dataSource": "mxpi_imageresize0",
+                "cropHeight": "227",
+                "cropWidth": "227"
+            },
+            "factory": "mxpi_opencvcentercrop",
+            "next": "mxpi_tensorinfer0"
+        },
+        "mxpi_tensorinfer0": {
+            "props": {
+                "dataSource": "mxpi_opencvcentercrop0",
+                "modelPath": "../data/model/squeezenetResidual.om",
+                "waitingTime": "2000",
+                "outputDeviceId": "-1"
+            },
+            "factory": "mxpi_tensorinfer",
+            "next": "mxpi_classpostprocessor0"
+        },
+        "mxpi_classpostprocessor0": {
+            "props": {
+                "dataSource": "mxpi_tensorinfer0",
+                "postProcessConfigPath": "../data/config/squeezenetResidual.cfg",
+                "labelPath": "../data/config/imagenet1000_claidx_to_labels.names",
+                "postProcessLibPath": "/usr/local/sdk_home/mxManufacture/lib/modelpostprocessors/libresnet50postprocess.so"
+            },
+            "factory": "mxpi_classpostprocessor",
+            "next": "mxpi_dataserialize0"
+        },
+        "mxpi_dataserialize0": {
+            "props": {
+                "outputDataKeys": "mxpi_classpostprocessor0"
+            },
+            "factory": "mxpi_dataserialize",
+            "next": "appsink0"
+        },
+        "appsink0": {
+            "props": {
+                "blocksize": "4096000"
+            },
+            "factory": "appsink"
+        }
+    }
+}

official/cv/squeezenet/infer/data/config/squeezenetResidual.cfg

+CLASS_NUM=1000
+SOFTMAX=false
+TOP_K=5

official/cv/squeezenet/infer/docker_start_infer.sh

+#!/usr/bin/env bash
+
+# Copyright 2021 Huawei Technologies Co., Ltd
+#
+# Licensed 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.
+
+docker_image=$1
+model_dir=$2
+data_dir=$3
+
+
+function show_help() {
+    echo "Usage: docker_start.sh docker_image data_dir"
+}
+
+function param_check() {
+    if [ -z "${docker_image}" ]; then
+        echo "please input docker_image"
+        show_help
+        exit 1
+    fi
+
+    if [ -z "${model_dir}" ]; then
+        echo "please input model_dir"
+        show_help
+        exit 1
+    fi
+
+     if [ -z "${data_dir}" ]; then
+        echo "please input data_dir"
+        show_help
+        exit 1
+    fi
+
+}
+
+param_check
+
+docker run -it \
+  --device=/dev/davinci0 \
+  --device=/dev/davinci_manager \
+  --device=/dev/devmm_svm \
+  --device=/dev/hisi_hdc \
+  -v /usr/local/Ascend/driver:/usr/local/Ascend/driver \
+  -v ${model_dir}:${model_dir} \
+  -v ${data_dir}:${data_dir} \
+  ${docker_image} \
+  /bin/bash

official/cv/squeezenet/infer/mxbase/CMakeLists.txt

+cmake_minimum_required(VERSION 3.14.0)
+project(squeezenetResidual)
+set(TARGET squeezenetResidual)
+add_definitions(-DENABLE_DVPP_INTERFACE)
+add_compile_options(-std=c++11 -fPIE -fstack-protector-all -fPIC -Wall
+-Dgoogle=mindxsdk_private -D_GLIBCXX_USE_CXX11_ABI=0)
+add_link_options(-Wl,-z,relro,-z,now,-z,noexecstack -pie)
+
+
+
+# Check environment variable
+if(NOT DEFINED ENV{MX_SDK_HOME})
+    message(FATAL_ERROR "please define environment variable:MX_SDK_HOME")
+endif()
+if(NOT DEFINED ENV{ASCEND_HOME})
+    message(FATAL_ERROR "please define environment variable:ASCEND_HOME")
+endif()
+if(NOT DEFINED ENV{ASCEND_VERSION})
+    message(WARNING "please define environment variable:ASCEND_VERSION")
+endif()
+if(NOT DEFINED ENV{ARCH_PATTERN})
+    message(WARNING "please define environment variable:ARCH_PATTERN")
+endif()
+set(ACL_INC_DIR $ENV{ASCEND_HOME}/$ENV{ASCEND_VERSION}/$ENV{ARCH_PATTERN}/acllib/include)
+set(ACL_LIB_DIR $ENV{ASCEND_HOME}/$ENV{ASCEND_VERSION}/$ENV{ARCH_PATTERN}/acllib/lib64)
+
+set(MXBASE_ROOT_DIR $ENV{MX_SDK_HOME})
+set(MXBASE_INC ${MXBASE_ROOT_DIR}/include)
+set(MXBASE_LIB_DIR ${MXBASE_ROOT_DIR}/lib)
+set(MXBASE_POST_LIB_DIR ${MXBASE_ROOT_DIR}/lib/modelpostprocessors)
+set(MXBASE_POST_PROCESS_DIR ${MXBASE_ROOT_DIR}/include/MxBase/postprocess/include)
+if(DEFINED ENV{MXSDK_OPENSOURCE_DIR})
+    set(OPENSOURCE_DIR $ENV{MXSDK_OPENSOURCE_DIR})
+else()
+    set(OPENSOURCE_DIR ${MXBASE_ROOT_DIR}/opensource)
+endif()
+
+include_directories(${ACL_INC_DIR})
+include_directories(${OPENSOURCE_DIR}/include)
+include_directories(${OPENSOURCE_DIR}/include/opencv4)
+
+include_directories(${MXBASE_INC})
+include_directories(${MXBASE_POST_PROCESS_DIR})
+
+link_directories(${ACL_LIB_DIR})
+link_directories(${OPENSOURCE_DIR}/lib)
+link_directories(${MXBASE_LIB_DIR})
+link_directories(${MXBASE_POST_LIB_DIR})
+
+
+
+
+add_executable(${TARGET} ./src/main.cpp ./src/squeezenetResidual.cpp)
+
+target_link_libraries(${TARGET} glog cpprest mxbase resnet50postprocess opencv_world stdc++fs)
+
+install(TARGETS ${TARGET} RUNTIME DESTINATION ${PROJECT_SOURCE_DIR}/)

official/cv/squeezenet/infer/mxbase/build.sh

+#!/bin/bash
+
+# Copyright 2021 Huawei Technologies Co., Ltd
+#
+# Licensed 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.
+
+path_cur=$(dirname $0)
+
+function check_env()
+{
+    # set ASCEND_VERSION to ascend-toolkit/latest when it was not specified by user
+    if [ ! "${ASCEND_VERSION}" ]; then
+        export ASCEND_VERSION=ascend-toolkit/latest
+        echo "Set ASCEND_VERSION to the default value: ${ASCEND_VERSION}"
+    else
+        echo "ASCEND_VERSION is set to ${ASCEND_VERSION} by user"
+    fi
+
+    if [ ! "${ARCH_PATTERN}" ]; then
+        # set ARCH_PATTERN to ./ when it was not specified by user
+        export ARCH_PATTERN=./
+        echo "ARCH_PATTERN is set to the default value: ${ARCH_PATTERN}"
+    else
+        echo "ARCH_PATTERN is set to ${ARCH_PATTERN} by user"
+    fi
+}
+
+function build_resnext101()
+{
+    cd $path_cur
+    rm -rf build
+    mkdir -p build
+    cd build
+    cmake ..
+    make
+    ret=$?
+    if [ ${ret} -ne 0 ]; then
+        echo "Failed to build resnext101."
+        exit ${ret}
+    fi
+    make install
+}
+
+check_env
+build_resnext101

official/cv/squeezenet/infer/mxbase/src/main.cpp

+/*
+ * Copyright (c) 2021. Huawei Technologies Co., Ltd.
+ *
+ * Licensed 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.
+ */
+
+#include "squeezenetResidual.h"
+#include <dirent.h>
+#include "MxBase/Log/Log.h"
+
+
+namespace {
+const uint32_t CLASS_NUM = 1000;
+}    // namespace
+
+APP_ERROR ScanImages(const std::string &path, std::vector<std::string> &imgFiles) {
+    DIR *dirPtr = opendir(path.c_str());
+    if (dirPtr == nullptr) {
+        LogError << "opendir failed. dir:" << path;
+        return APP_ERR_INTERNAL_ERROR;
+    }
+    dirent *direntPtr = nullptr;
+    while ((direntPtr = readdir(dirPtr)) != nullptr) {
+        std::string fileName = direntPtr->d_name;
+        if (fileName == "." || fileName == "..") {
+            continue;
+        }
+
+        imgFiles.emplace_back(path + "/" + fileName);
+    }
+    closedir(dirPtr);
+    return APP_ERR_OK;
+}
+
+
+int main(int argc, char* argv[]) {
+    if (argc <= 1) {
+        LogWarn << "Please input image path, such as './squeezenetResidual image_dir'.";
+        return APP_ERR_OK;
+    }
+    InitParam initParam = {};
+    initParam.deviceId = 0;
+    initParam.classNum = CLASS_NUM;
+    initParam.labelPath = "../../data/config/imagenet1000_claidx_to_labels.names";
+    initParam.topk = 5;
+    initParam.softmax = false;
+    initParam.checkTensor = true;
+    initParam.modelPath = "../../data/model/squeezenetResidual.om";
+    auto squeezenet = std::make_shared<squeezenetResidual>();
+    APP_ERROR ret = squeezenet->Init(initParam);
+    if (ret != APP_ERR_OK) {
+        LogError << "SqueezenetResidual init failed, ret=" << ret << ".";
+        return ret;
+    }
+
+    std::string imgPath = argv[1];
+    std::vector<std::string> imgFilePaths;
+    ret = ScanImages(imgPath, imgFilePaths);
+    if (ret != APP_ERR_OK) {
+        squeezenet->DeInit();
+        return ret;
+    }
+    auto startTime = std::chrono::high_resolution_clock::now();
+    for (auto &imgFile : imgFilePaths) {
+        ret = squeezenet->Process(imgFile);
+        if (ret != APP_ERR_OK) {
+            LogError << "SqueezenetResidual process failed, ret=" << ret << ".";
+            squeezenet->DeInit();
+            return ret;
+        }
+    }
+    auto endTime = std::chrono::high_resolution_clock::now();
+    squeezenet->DeInit();
+    double costMilliSecs = std::chrono::duration<double, std::milli>(endTime - startTime).count();
+    double fps = 1000.0 * imgFilePaths.size() / squeezenet->GetInferCostMilliSec();
+    LogInfo << "[Process Delay] cost: " << costMilliSecs << " ms\tfps: " << fps << " imgs/sec";
+    return APP_ERR_OK;
+}

official/cv/squeezenet/infer/mxbase/src/squeezenetResidual.cpp

+/*
+ * Copyright (c) 2021. Huawei Technologies Co., Ltd.
+ *
+ * Licensed 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.
+ */
+#include <map>
+#include "MxBase/DeviceManager/DeviceManager.h"
+#include "MxBase/Log/Log.h"
+#include "squeezenetResidual.h"
+namespace {
+    const uint32_t YUV_BYTE_NU = 3;
+    const uint32_t YUV_BYTE_DE = 2;
+    const uint32_t VPC_H_ALIGN = 2;
+}
+
+APP_ERROR squeezenetResidual::Init(const InitParam &initParam) {
+    deviceId_ = initParam.deviceId;
+    APP_ERROR ret = MxBase::DeviceManager::GetInstance()->InitDevices();
+    if (ret != APP_ERR_OK) {
+        LogError << "Init devices failed, ret=" << ret << ".";
+        return ret;
+    }
+    ret = MxBase::TensorContext::GetInstance()->SetContext(initParam.deviceId);
+    if (ret != APP_ERR_OK) {
+        LogError << "Set context failed, ret=" << ret << ".";
+        return ret;
+    }
+    dvppWrapper_ = std::make_shared<MxBase::DvppWrapper>();
+    ret = dvppWrapper_->Init();
+    if (ret != APP_ERR_OK) {
+        LogError << "DvppWrapper init failed, ret=" << ret << ".";
+        return ret;
+    }
+    model_ = std::make_shared<MxBase::ModelInferenceProcessor>();
+    ret = model_->Init(initParam.modelPath, modelDesc_);
+    if (ret != APP_ERR_OK) {
+        LogError << "ModelInferenceProcessor init failed, ret=" << ret << ".";
+        return ret;
+    }
+    MxBase::ConfigData configData;
+    const std::string softmax = initParam.softmax ? "true" : "false";
+    const std::string checkTensor = initParam.checkTensor ? "true" : "false";
+
+    configData.SetJsonValue("CLASS_NUM", std::to_string(initParam.classNum));
+    configData.SetJsonValue("TOP_K", std::to_string(initParam.topk));
+    configData.SetJsonValue("SOFTMAX", softmax);
+    configData.SetJsonValue("CHECK_MODEL", checkTensor);
+
+    auto jsonStr = configData.GetCfgJson().serialize();
+    std::map<std::string, std::shared_ptr<void>> config;
+    config["postProcessConfigContent"] = std::make_shared<std::string>(jsonStr);
+    config["labelPath"] = std::make_shared<std::string>(initParam.labelPath);
+
+    post_ = std::make_shared<MxBase::Resnet50PostProcess>();
+    ret = post_->Init(config);
+    if (ret != APP_ERR_OK) {
+        LogError << "Resnet50PostProcess init failed, ret=" << ret << ".";
+        return ret;
+    }
+    return APP_ERR_OK;
+}
+
+APP_ERROR squeezenetResidual::DeInit() {
+    dvppWrapper_->DeInit();
+    model_->DeInit();
+    post_->DeInit();
+    MxBase::DeviceManager::GetInstance()->DestroyDevices();
+    return APP_ERR_OK;
+}
+
+APP_ERROR squeezenetResidual::ReadImage(const std::string &imgPath, cv::Mat &imageMat) {
+    imageMat = cv::imread(imgPath, cv::IMREAD_COLOR);
+    return APP_ERR_OK;
+}
+
+APP_ERROR squeezenetResidual::ResizeImage(const cv::Mat &srcImageMat, cv::Mat &dstImageMat) {
+    static constexpr uint32_t resizeHeight = 256;
+    static constexpr uint32_t resizeWidth = 256;
+
+    cv::resize(srcImageMat, dstImageMat, cv::Size(resizeWidth, resizeHeight));
+    return APP_ERR_OK;
+}
+
+APP_ERROR squeezenetResidual::CVMatToTensorBase(const cv::Mat &imageMat, MxBase::TensorBase &tensorBase) {
+    const uint32_t dataSize =  imageMat.cols *  imageMat.rows * MxBase::YUV444_RGB_WIDTH_NU;
+    LogInfo << "image size after crop" << imageMat.cols << " " << imageMat.rows;
+    MxBase::MemoryData memoryDataDst(dataSize, MxBase::MemoryData::MEMORY_DEVICE, deviceId_);
+    MxBase::MemoryData memoryDataSrc(imageMat.data, dataSize, MxBase::MemoryData::MEMORY_HOST_MALLOC);
+    APP_ERROR ret = MxBase::MemoryHelper::MxbsMallocAndCopy(memoryDataDst, memoryDataSrc);
+    if (ret != APP_ERR_OK) {
+        LogError << GetError(ret) << "Memory malloc failed.";
+        return ret;
+    }
+
+    std::vector<uint32_t> shape = {imageMat.rows * MxBase::YUV444_RGB_WIDTH_NU, static_cast<uint32_t>(imageMat.cols)};
+    tensorBase = MxBase::TensorBase(memoryDataDst, false, shape, MxBase::TENSOR_DTYPE_UINT8);
+    return APP_ERR_OK;
+}
+APP_ERROR squeezenetResidual::Crop(const cv::Mat &srcImageMat, cv::Mat &dstImageMat) {
+    static cv::Rect rectOfImg(16, 16, 227, 227);
+    dstImageMat = srcImageMat(rectOfImg).clone();
+    return APP_ERR_OK;
+}
+
+APP_ERROR squeezenetResidual::Inference(const std::vector<MxBase::TensorBase> &inputs,
+                                    std::vector<MxBase::TensorBase> &outputs) {
+    auto dtypes = model_->GetOutputDataType();
+    for (size_t i = 0; i < modelDesc_.outputTensors.size(); ++i) {
+        std::vector<uint32_t> shape = {};
+        for (size_t j = 0; j < modelDesc_.outputTensors[i].tensorDims.size(); ++j) {
+            shape.push_back((uint32_t)modelDesc_.outputTensors[i].tensorDims[j]);
+        }
+        MxBase::TensorBase tensor(shape, dtypes[i], MxBase::MemoryData::MemoryType::MEMORY_DEVICE, deviceId_);
+        APP_ERROR ret = MxBase::TensorBase::TensorBaseMalloc(tensor);
+        if (ret != APP_ERR_OK) {
+            LogError << "TensorBaseMalloc failed, ret=" << ret << ".";
+            return ret;
+        }
+        outputs.push_back(tensor);
+    }
+    MxBase::DynamicInfo dynamicInfo = {};
+    dynamicInfo.dynamicType = MxBase::DynamicType::STATIC_BATCH;
+    auto startTime = std::chrono::high_resolution_clock::now();
+    APP_ERROR ret = model_->ModelInference(inputs, outputs, dynamicInfo);
+    auto endTime = std::chrono::high_resolution_clock::now();
+    double costMs = std::chrono::duration<double, std::milli>(endTime - startTime).count();  // save time
+    inferCostTimeMilliSec += costMs;
+    if (ret != APP_ERR_OK) {
+        LogError << "ModelInference failed, ret=" << ret << ".";
+        return ret;
+    }
+    return APP_ERR_OK;
+}
+
+APP_ERROR squeezenetResidual::PostProcess(const std::vector<MxBase::TensorBase> &inputs,
+                                        std::vector<std::vector<MxBase::ClassInfo>> &clsInfos) {
+    APP_ERROR ret = post_->Process(inputs, clsInfos);
+    if (ret != APP_ERR_OK) {
+        LogError << "Process failed, ret=" << ret << ".";
+        return ret;
+    }
+
+    return APP_ERR_OK;
+}
+
+APP_ERROR squeezenetResidual::SaveResult(const std::string &imgPath,
+                            const std::vector<std::vector<MxBase::ClassInfo>> &BatchClsInfos) {
+    LogInfo << "image path" << imgPath;
+    std::string fileName = imgPath.substr(imgPath.find_last_of("/") + 1);
+    size_t dot = fileName.find_last_of(".");
+    std::string resFileName = "../result/"  + fileName.substr(0, dot) + "_1.txt";
+    LogInfo << "file path for saving result" << resFileName;
+
+    std::ofstream outfile(resFileName);
+    if (outfile.fail()) {
+        LogError << "Failed to open result file: ";
+        return APP_ERR_COMM_FAILURE;
+    }
+
+    uint32_t batchIndex = 0;
+    for (auto clsInfos : BatchClsInfos) {
+        std::string resultStr;
+        for (auto clsInfo : clsInfos) {
+            LogDebug << " className:" << clsInfo.className << " confidence:" << clsInfo.confidence <<
+            " classIndex:" <<  clsInfo.classId;
+            resultStr += std::to_string(clsInfo.classId) + " ";
+        }
+
+        outfile << resultStr << std::endl;
+        batchIndex++;
+    }
+    outfile.close();
+    return APP_ERR_OK;
+}
+
+APP_ERROR squeezenetResidual::Process(const std::string &imgPath) {
+    cv::Mat imageMat;
+    APP_ERROR ret = ReadImage(imgPath, imageMat);
+    if (ret != APP_ERR_OK) {
+        LogError << "ReadImage failed, ret=" << ret << ".";
+        return ret;
+    }
+    cv::Mat resizeImage;
+    ret = ResizeImage(imageMat, resizeImage);
+    if (ret != APP_ERR_OK) {
+        LogError << "Resize failed, ret=" << ret << ".";
+        return ret;
+    }
+
+    cv::Mat cropImage;
+    ret = Crop(resizeImage, cropImage);
+    if (ret != APP_ERR_OK) {
+        LogError << "Crop failed, ret=" << ret << ".";
+        return ret;
+    }
+
+    std::vector<MxBase::TensorBase> inputs = {};
+    std::vector<MxBase::TensorBase> outputs = {};
+
+    MxBase::TensorBase tensorBase;
+    ret = CVMatToTensorBase(cropImage, tensorBase);
+    if (ret != APP_ERR_OK) {
+        LogError << "CVMatToTensorBase failed, ret=" << ret << ".";
+        return ret;
+    }
+
+    inputs.push_back(tensorBase);
+
+    auto startTime = std::chrono::high_resolution_clock::now();
+    ret = Inference(inputs, outputs);
+    auto endTime = std::chrono::high_resolution_clock::now();
+    double costMs = std::chrono::duration<double, std::milli>(endTime - startTime).count();  // save time
+    inferCostTimeMilliSec += costMs;
+    if (ret != APP_ERR_OK) {
+        LogError << "Inference failed, ret=" << ret << ".";
+        return ret;
+    }
+    std::vector<std::vector<MxBase::ClassInfo>> BatchClsInfos = {};
+    ret = PostProcess(outputs, BatchClsInfos);
+    if (ret != APP_ERR_OK) {
+        LogError << "PostProcess failed, ret=" << ret << ".";
+        return ret;
+    }
+
+    ret = SaveResult(imgPath, BatchClsInfos);
+    if (ret != APP_ERR_OK) {
+        LogError << "Save infer results into file failed. ret = " << ret << ".";
+        return ret;
+    }
+    return APP_ERR_OK;
+}

official/cv/squeezenet/infer/mxbase/src/squeezenetResidual.h

+/*
+ * Copyright (c) 2021. Huawei Technologies Co., Ltd.
+ *
+ * Licensed 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.
+ */
+
+#ifndef MXBASE_SQUEEZENETRESIDUAL_H
+#define MXBASE_SQUEEZENETRESIDUAL_H
+#include <string>
+#include <vector>
+#include <memory>
+#include <opencv2/opencv.hpp>
+#include "MxBase/DvppWrapper/DvppWrapper.h"
+#include "MxBase/ModelInfer/ModelInferenceProcessor.h"
+#include "MxBase/Tensor/TensorContext/TensorContext.h"
+#include "ClassPostProcessors/Resnet50PostProcess.h"
+
+struct InitParam {
+    uint32_t deviceId;
+    std::string labelPath;
+    uint32_t classNum;
+    uint32_t topk;
+    bool softmax;
+    bool checkTensor;
+    std::string modelPath;
+};
+
+class squeezenetResidual {
+ public:
+     APP_ERROR Init(const InitParam &initParam);
+     APP_ERROR DeInit();
+     APP_ERROR ReadImage(const std::string &imgPath, cv::Mat &imageMat);
+     APP_ERROR ResizeImage(const cv::Mat &srcImageMat, cv::Mat &dstImageMat);
+     APP_ERROR CVMatToTensorBase(const cv::Mat &imageMat, MxBase::TensorBase &tensorBase);
+     APP_ERROR Crop(const cv::Mat &srcImageMat, cv::Mat &dstImageMat);
+     APP_ERROR Inference(const std::vector<MxBase::TensorBase> &inputs, std::vector<MxBase::TensorBase> &outputs);
+     APP_ERROR PostProcess(const std::vector<MxBase::TensorBase> &inputs,
+                        std::vector<std::vector<MxBase::ClassInfo>> &clsInfos);
+     APP_ERROR Process(const std::string &imgPath);
+     // get infer time
+     double GetInferCostMilliSec() const {return inferCostTimeMilliSec;}
+
+ private:
+     APP_ERROR SaveResult(const std::string &imgPath,
+     const std::vector<std::vector<MxBase::ClassInfo>> &batchClsInfos);
+
+ private:
+     std::shared_ptr<MxBase::DvppWrapper> dvppWrapper_;
+     std::shared_ptr<MxBase::ModelInferenceProcessor> model_;
+     std::shared_ptr<MxBase::Resnet50PostProcess> post_;
+     MxBase::ModelDesc modelDesc_;
+     uint32_t deviceId_ = 0;
+     // infer time
+     double inferCostTimeMilliSec = 0.0;
+};
+
+#endif

official/cv/squeezenet/infer/sdk/main.py

+#coding = utf-8
+# Copyright 2021 Huawei Technologies Co., Ltd
+#
+# Licensed under the BSD 3-Clause License  (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://opensource.org/licenses/BSD-3-Clause
+#
+# 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.
+
+import json
+import os
+import sys
+import datetime
+from StreamManagerApi import StreamManagerApi, MxDataInput
+
+
+if __name__ == '__main__':
+    # init stream manager
+    stream_manager = StreamManagerApi()
+    ret = stream_manager.InitManager()
+    if ret != 0:
+        print("Failed to init Stream manager, ret=%s" % str(ret))
+        exit()
+
+    # create streams by pipeline config file
+    with open("../data/config/squeezenet.pipeline", 'rb') as f:
+        pipeline = f.read()
+    ret = stream_manager.CreateMultipleStreams(pipeline)
+    if ret != 0:
+        print("Failed to create Stream, ret=%s" % str(ret))
+        exit()
+
+    # Construct the input of the stream
+    data_input = MxDataInput()
+
+    dir_name = sys.argv[1]
+    res_dir_name = sys.argv[2]
+    file_list = os.listdir(dir_name)
+    if not os.path.exists(res_dir_name):
+        os.makedirs(res_dir_name)
+
+    for file_name in file_list:
+        file_path = os.path.join(dir_name, file_name)
+        print(file_path)
+        if not (file_name.lower().endswith(".jpg")
+                or file_name.lower().endswith(".jpeg")):
+            continue
+        with open(file_path, 'rb') as f:
+            data_input.data = f.read()
+
+        empty_data = []
+        stream_name = b'im_squeezenetResidual'
+        # Inputs data to a specified stream based on streamName.
+        in_plugin_id = 0
+        unique_id = stream_manager.SendData(stream_name, in_plugin_id, data_input)
+        if unique_id < 0:
+            print("Failed to send data to stream.")
+            exit()
+        # Obtain the inference result by specifying streamName and uniqueId.
+        start_time = datetime.datetime.now()
+        infer_result = stream_manager.GetResult(stream_name, unique_id)
+        end_time = datetime.datetime.now()
+        print('sdk run time: {}'.format((end_time - start_time).microseconds))
+
+        if infer_result.errorCode != 0:
+            print("GetResultWithUniqueId error. errorCode=%d, errorMsg=%s" % (
+                infer_result.errorCode, infer_result.data.decode()))
+            exit()
+
+        # print the infer result
+        infer_res = infer_result.data.decode()
+        print("process img: {}, infer result: {}".format(file_name, infer_res))
+        load_dict = json.loads(infer_result.data.decode())
+        if load_dict.get('MxpiClass') is None:
+            with open(res_dir_name + "/" + file_name[:-5] + '.txt',
+                      'w') as f_write:
+                f_write.write("")
+            continue
+        res_vec = load_dict.get('MxpiClass')
+        with open(res_dir_name + "/" + file_name[:-5] + '_1.txt',
+                  'w') as f_write:
+            res_list = [str(item.get("classId")) + " " for item in res_vec]
+            f_write.writelines(res_list)
+            f_write.write('\n')
+
+    # destroy streams
+    stream_manager.DestroyAllStreams()
+    
\ No newline at end of file

official/cv/squeezenet/infer/sdk/run.sh

+#!/bin/bash
+# Copyright 2021 Huawei Technologies Co., Ltd
+#
+# Licensed 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.
+
+image_path=$1
+result_dir=$2
+
+set -e
+
+# Simple log helper functions
+info() { echo -e "\033[1;34m[INFO ][MxStream] $1\033[1;37m" ; }
+warn() { echo >&2 -e "\033[1;31m[WARN ][MxStream] $1\033[1;37m" ; }
+
+export LD_LIBRARY_PATH=${MX_SDK_HOME}/lib:${MX_SDK_HOME}/opensource/lib:${MX_SDK_HOME}/opensource/lib64:/usr/local/Ascend/ascend-toolkit/latest/acllib/lib64:${LD_LIBRARY_PATH}
+export GST_PLUGIN_SCANNER=${MX_SDK_HOME}/opensource/libexec/gstreamer-1.0/gst-plugin-scanner
+export GST_PLUGIN_PATH=${MX_SDK_HOME}/opensource/lib/gstreamer-1.0:${MX_SDK_HOME}/lib/plugins
+
+#to set PYTHONPATH, import the StreamManagerApi.py
+export PYTHONPATH=$PYTHONPATH:${MX_SDK_HOME}/python
+
+python3.7 main.py $image_path $result_dir

official/cv/squeezenet/infer/util/classification_task_metric.py

+#coding = utf-8
+# Copyright 2021 Huawei Technologies Co., Ltd
+#
+# Licensed under the BSD 3-Clause License  (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://opensource.org/licenses/BSD-3-Clause
+#
+# 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.
+
+import os
+import sys
+import json
+import numpy as np
+
+
+def cre_groundtruth_dict_fromtxt(gtfile_path):
+    """
+    :param filename: file contains the imagename and label number
+    :return: dictionary key imagename, value is label number
+    """
+    img_dict = {}
+    with open(gtfile_path, 'r') as f:
+        for line in f.readlines():
+            temp = line.strip().split(" ")
+            img_name = temp[0].split(".")[0]
+            img_dict[img_name] = temp[1]
+    return img_dict
+
+
+def load_statistical_predict_result(filepath):
+    """
+    function:
+    the prediction esult file data extraction
+    input:
+    result file:filepath
+    output:
+    n_label:numble of label
+    data_vec: the probabilitie of prediction in the 1000
+    :return: probabilities, numble of label, in_type, color
+    """
+    with open(filepath, 'r')as f:
+        temp = f.readline().strip().split(" ")
+        n_label = len(temp)
+        data_vec = np.zeros((len(temp)), dtype=np.float32)
+        if n_label != 0:
+            for ind, cls_ind in enumerate(temp):
+                data_vec[ind] = np.int32(cls_ind)
+    return data_vec, n_label
+
+
+def create_visualization_statistical_result(prediction_file_path,
+                                            result_store_path,
+                                            img_dict_2, topn=5):
+    """
+    :param prediction_file_path:
+    :param result_store_path:
+    :param json_file_name:
+    :param img_dict_2:
+    :param topn:
+    :return:
+    """
+    writer = open(result_store_path, 'w')
+    table_dict = {}
+    table_dict["title"] = "Overall statistical evaluation"
+    table_dict["value"] = []
+
+    count = 0
+    res_cnt = 0
+    n_labels = ""
+    count_hit = np.zeros(topn)
+    for tfile_name in os.listdir(prediction_file_path):
+        count += 1
+        temp = tfile_name.split('.')[0]
+        index = temp.rfind('_')
+        img_name = temp[:index]
+        filepath = os.path.join(prediction_file_path, tfile_name)
+        prediction, n_labels = load_statistical_predict_result(filepath)
+
+        if n_labels == 11:
+            real_label = int(img_dict_2[img_name]) + 1
+        else:
+            real_label = int(img_dict_2[img_name])
+        res_cnt = min(len(prediction), topn)
+        for i in range(res_cnt):
+            if real_label == int(prediction[i]):
+                count_hit[i] += 1
+                break
+    if 'value' not in table_dict.keys():
+        print("the item value does not exist!")
+    else:
+        table_dict["value"].extend(
+            [{"key": "Number of images", "value": str(count)},
+             {"key": "Number of classes", "value": str(n_labels)}])
+        accuracy = np.cumsum(count_hit) / count if count else 0
+        for i in range(res_cnt):
+            table_dict["value"].append({"key": "Top" + str(i + 1) + " accuracy",
+                                        "value": str(
+                                            round(accuracy[i] * 100, 2)) + '%'})
+        json.dump(table_dict, writer, indent=2)
+    writer.close()
+
+
+if __name__ == '__main__':
+    if len(sys.argv) == 4:
+        # txt file path
+        folder_davinci_target = sys.argv[1]
+        # annotation files path, "val_label.txt"
+        annotation_file_path = sys.argv[2]
+        # the path to store the results json path
+        result_json_path = sys.argv[3]
+    else:
+        print("Please enter target file result folder | ground truth label file | result json file folder | "
+              "result json file name, such as ./result val_label.txt . result.json")
+        exit(1)
+
+    if not os.path.exists(folder_davinci_target):
+        print("Target file folder does not exist.")
+
+    if not os.path.exists(annotation_file_path):
+        print("Ground truth file does not exist.")
+
+    img_dict_1 = cre_groundtruth_dict_fromtxt(annotation_file_path)
+    create_visualization_statistical_result(folder_davinci_target,
+                                            result_json_path,
+                                            img_dict_1, topn=5)

official/cv/squeezenet/modelarts/start.py

+# Copyright 2020 Huawei Technologies Co., Ltd
+#
+# Licensed 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.
+# ============================================================================
+"""train squeezenet."""
+import os
+import sys
+import argparse
+import numpy as np
+import moxing as mox
+
+from mindspore import context
+from mindspore import Tensor
+from mindspore import export
+from mindspore.nn.optim.momentum import Momentum
+from mindspore.train.model import Model
+from mindspore.context import ParallelMode
+from mindspore.train.callback import ModelCheckpoint, CheckpointConfig, LossMonitor, TimeMonitor
+from mindspore.nn.loss import SoftmaxCrossEntropyWithLogits
+from mindspore.train.loss_scale_manager import FixedLossScaleManager
+from mindspore.train.serialization import load_checkpoint, load_param_into_net
+from mindspore.communication.management import init, get_rank, get_group_size
+from mindspore.common import set_seed
+from model_utils.moxing_adapter import moxing_wrapper
+from model_utils.device_adapter import get_device_id
+from src.lr_generator import get_lr
+from src.CrossEntropySmooth import CrossEntropySmooth
+
+
+set_seed(1)
+
+_CACHE_DATA_URL = "./cache/data"
+_CACHE_TRAIN_URL = "./cache/train"
+_CACHE_LOAD_URL = "./cache/checkpoint_path"
+_CACHE_PRETRAIN_URL = "./cache/res/tmp.ckpt"
+_NONE = "none"
+
+
+# Transfer learning parameter
+parser = argparse.ArgumentParser('mindspore squeezenet_residual training')
+parser.add_argument('--train_url', type=str, default='obs://neu-base/squeezenet/cache/train',
+                    help='where training log and ckpts saved')
+parser.add_argument('--data_url', type=str, default='obs://neu-base/squeezenet/cache/data',
+                    help='path of dataset')
+parser.add_argument('--dataset', type=str, default='imagenet', help='Dataset.')
+parser.add_argument('--batch_size', type=int, default=8,
+                    help='batch size')
+parser.add_argument('--file_format', type=str, default="AIR",
+                    help='output model formats')
+parser.add_argument('--pre_trained', type=str,
+                    default='obs://neu-base/squeezenet/suqeezenet_residual_imagenet-50_3.ckpt',
+                    help='pretrained model')
+parser.add_argument('--epoch_size', type=int, default=1,
+                    help='epoch num')
+parser.add_argument('--save_checkpoint_epochs', type=int, default=1,
+                    help='how many epochs to save ckpt once')
+parser.add_argument('--device_target', type=str, default='Ascend',
+                    choices=['Ascend', 'CPU', 'GPU'],
+                    help='device where the code will be implemented. '
+                    '(Default: Ascend)')
+parser.add_argument('--file_name', type=str, default="squeezenet_residual",
+                    help='output file name')
+parser.add_argument('--lr_max', type=float, default=0.01,
+                    help='lr_max')
+args, _ = parser.parse_known_args()
+
+os.makedirs(_CACHE_TRAIN_URL, exist_ok=True)
+os.makedirs(_CACHE_DATA_URL, exist_ok=True)
+os.makedirs(_CACHE_LOAD_URL, exist_ok=True)
+mox.file.copy_parallel(args.data_url, _CACHE_DATA_URL)
+train_url = _CACHE_TRAIN_URL
+data_url = _CACHE_DATA_URL
+load_url = _CACHE_LOAD_URL
+
+if args.dataset == "cifar10":
+    from src.config import config_cifar as config
+else:
+    from src.config import config_imagenet as config
+print("Dataset: ", config.dataset)
+
+
+#train
+if config.net_name == "squeezenet":
+    from src.squeezenet import SqueezeNet as squeezenet
+    if config.dataset == "cifar10":
+        from src.dataset import create_dataset_cifar as create_dataset
+    else:
+        from src.dataset import create_dataset_imagenet as create_dataset
+else:
+    from src.squeezenet import SqueezeNet_Residual as squeezenet
+    if config.dataset == "cifar10":
+        from src.dataset import create_dataset_cifar as create_dataset
+    else:
+        from src.dataset import create_dataset_imagenet as create_dataset
+
+@moxing_wrapper()
+def train_net():
+    """train net"""
+    config.output_path = train_url
+    config.data_path = data_url
+    config.load_path = load_url
+    config.epoch_size = args.epoch_size
+    config.save_checkpoint_epochs = args.save_checkpoint_epochs
+    config.device_target = args.device_target
+    target = config.device_target
+    ckpt_save_dir = config.output_path
+
+    if args.pre_trained != _NONE:
+        mox.file.copy_parallel(args.pre_trained, _CACHE_PRETRAIN_URL)
+    else:
+        config.pre_trained = ""
+
+    # init context
+    context.set_context(mode=context.GRAPH_MODE,
+                        device_target=target)
+    device_num = 1
+    if config.run_distribute:
+        if target == "Ascend":
+            device_id = get_device_id()
+            device_num = config.device_num
+            context.set_context(device_id=device_id)
+            context.set_auto_parallel_context(
+                device_num=device_num,
+                parallel_mode=ParallelMode.DATA_PARALLEL,
+                gradients_mean=True)
+            init()
+        # GPU target
+        else:
+            init()
+            device_num = get_group_size()
+            context.set_auto_parallel_context(
+                device_num=device_num,
+                parallel_mode=ParallelMode.DATA_PARALLEL,
+                gradients_mean=True)
+        ckpt_save_dir = ckpt_save_dir + "/ckpt_" + str(
+            get_rank()) + "/"
+
+    # create dataset
+    dataset = create_dataset(dataset_path=config.data_path,
+                             do_train=True,
+                             repeat_num=1,
+                             batch_size=config.batch_size,
+                             run_distribute=config.run_distribute)
+
+    step_size = dataset.get_dataset_size()
+
+    # define net
+    net = squeezenet(num_classes=config.class_num)
+
+    # load checkpoint
+    if config.pre_trained:
+        param_dict = load_checkpoint(config.pre_trained)
+        load_param_into_net(net, param_dict)
+
+    # init lr
+    lr = get_lr(lr_init=config.lr_init,
+                lr_end=config.lr_end,
+                lr_max=config.lr_max,
+                total_epochs=args.epoch_size,
+                warmup_epochs=config.warmup_epochs,
+                pretrain_epochs=config.pretrain_epoch_size,
+                steps_per_epoch=step_size,
+                lr_decay_mode=config.lr_decay_mode)
+    lr = Tensor(lr)
+
+    # define loss
+    if config.dataset == "imagenet":
+        if not config.use_label_smooth:
+            config.label_smooth_factor = 0.0
+        loss = CrossEntropySmooth(sparse=True,
+                                  reduction='mean',
+                                  smooth_factor=config.label_smooth_factor,
+                                  num_classes=config.class_num)
+    else:
+        loss = SoftmaxCrossEntropyWithLogits(sparse=True, reduction='mean')
+
+    # define opt, model
+    if target == "Ascend":
+        loss_scale = FixedLossScaleManager(config.loss_scale,
+                                           drop_overflow_update=False)
+        opt = Momentum(filter(lambda x: x.requires_grad, net.get_parameters()),
+                       lr,
+                       config.momentum,
+                       config.weight_decay,
+                       config.loss_scale,
+                       use_nesterov=True)
+        model = Model(net,
+                      loss_fn=loss,
+                      optimizer=opt,
+                      loss_scale_manager=loss_scale,
+                      metrics={'acc'},
+                      amp_level="O2",
+                      keep_batchnorm_fp32=False)
+    else:
+        opt = Momentum(filter(lambda x: x.requires_grad, net.get_parameters()),
+                       lr,
+                       config.momentum,
+                       config.weight_decay,
+                       use_nesterov=True)
+        model = Model(net, loss_fn=loss, optimizer=opt, metrics={'acc'})
+
+    # define callbacks
+    time_cb = TimeMonitor(data_size=step_size)
+    loss_cb = LossMonitor()
+    cb = [time_cb, loss_cb]
+    if config.save_checkpoint:
+        config_ck = CheckpointConfig(
+            save_checkpoint_steps=config.save_checkpoint_epochs * step_size,
+            keep_checkpoint_max=config.keep_checkpoint_max)
+        ckpt_cb = ModelCheckpoint(prefix=config.net_name + '_' + config.dataset,
+                                  directory=ckpt_save_dir,
+                                  config=config_ck)
+        cb += [ckpt_cb]
+    # train model
+    model.train(config.epoch_size - config.pretrain_epoch_size,
+                dataset,
+                callbacks=cb)
+
+if config.net_name == "squeezenet":
+    from src.squeezenet import SqueezeNet as squeezenet
+else:
+    from src.squeezenet import SqueezeNet_Residual as squeezenet
+if config.dataset == "cifar10":
+    num_classes = 10
+else:
+    num_classes = 1000
+
+context.set_context(mode=context.GRAPH_MODE, device_target=config.device_target)
+if config.device_target == "Ascend":
+    context.set_context(device_id=config.device_id)
+
+def modelarts_pre_process():
+    '''modelarts pre process function.'''
+    config.file_name = os.path.join(config.output_path, config.file_name)
+
+@moxing_wrapper(pre_process=modelarts_pre_process)
+def run_export():
+    #get_last_ckpt
+    ckpt_dir = train_url
+    file_dict = {}
+    lists = os.listdir(ckpt_dir)
+    for i in lists:
+        ctime = os.stat(os.path.join(ckpt_dir, i)).st_ctime
+        file_dict[ctime] = i
+    max_ctime = max(file_dict.keys())
+    ckpt_files = [ckpt_file for ckpt_file in os.listdir(ckpt_dir)
+                  if ckpt_file.endswith(file_dict[max_ctime])]
+
+    if not ckpt_files:
+        print("No ckpt file found.")
+        sys.exit(0)
+
+    ckpt_file = os.path.join(ckpt_dir, sorted(ckpt_files)[-1])
+
+    # export_air
+    if not ckpt_file:
+        sys.exit(0)
+    config.batch_size = args.batch_size
+    config.checkpoint_file_path = ckpt_file
+    config.file_name = os.path.join(_CACHE_TRAIN_URL, args.file_name)
+    print("\nStart exporting AIR.")
+
+    net = squeezenet(num_classes=num_classes)
+
+    param_dict = load_checkpoint(config.checkpoint_file_path)
+    load_param_into_net(net, param_dict)
+
+    input_data = Tensor(np.zeros([config.batch_size, 3, config.height, config.width], np.float32))
+    export(net, input_data, file_name=config.file_name, file_format=config.file_format)
+    print("\nStart uploading to obs.")
+    mox.file.copy_parallel(_CACHE_TRAIN_URL, args.train_url)
+
+if __name__ == '__main__':
+    train_net()
+    run_export()

official/cv/squeezenet/src/config.py

+# Copyright 2021 Huawei Technologies Co., Ltd
+#
+# Licensed 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.
+# ============================================================================
+"""
+network config setting, will be used in train.py and eval.py
+"""
+from easydict import EasyDict as ed
+
+# config for squeezenet, imagenet
+config_imagenet = ed({
+    # Builtin Configurations(DO NOT CHANGE THESE CONFIGURATIONS unless you know exactly what you are doing)
+    "enable_modelarts": False,
+    # Url for modelarts
+    "data_url": "",
+    "train_url": "",
+    "checkpoint_url": "",
+    # Path for local
+    "run_distribute": False,
+    "enable_profiling": False,
+    "data_path": "/cache/data",
+    "output_path": "/cache/train",
+    "load_path": "/cache/checkpoint_path/",
+    "device_num": 1,
+    "device_id": 0,
+    "device_target": "Ascend",
+    "checkpoint_path": "./checkpoint/",
+    "checkpoint_file_path": "suqeezenet_residual_imagenet-300_5004.ckpt",
+    # Training options
+    "net_name": "suqeezenet_residual",
+    "dataset": "imagenet",
+    "class_num": 1000,
+    "batch_size": 32,
+    "loss_scale": 1024,
+    "momentum": 0.9,
+    "weight_decay": 7e-5,
+    "epoch_size": 300,
+    "pretrain_epoch_size": 0,
+    "save_checkpoint": True,
+    "save_checkpoint_epochs": 1,
+    "keep_checkpoint_max": 10,
+    "save_checkpoint_path": "./",
+    "warmup_epochs": 0,
+    "lr_decay_mode": "cosine",
+    "use_label_smooth": True,
+    "label_smooth_factor": 0.1,
+    "lr_init": 0,
+    "lr_end": 0,
+    "lr_max": 0.01,
+    "pre_trained": "",
+    #export
+    "width": 227,
+    "height": 227,
+    "file_name": "squeezenet",
+    "file_format": "AIR"
+})
+
+# config for squeezenet, cifar10
+config_cifar = ed({
+    # Builtin Configurations(DO NOT CHANGE THESE CONFIGURATIONS unless you know exactly what you are doing)
+    "enable_modelarts": False,
+    # Url for modelarts
+    "data_url": "",
+    "train_url": "",
+    "checkpoint_url": "",
+    # Path for local
+    "run_distribute": False,
+    "enable_profiling": False,
+    "data_path": "/cache/data",
+    "output_path": "/cache/train",
+    "load_path": "/cache/checkpoint_path/",
+    "device_num": 1,
+    "device_id": 0,
+    "device_target": "Ascend",
+    "checkpoint_path": "./checkpoint/",
+    "checkpoint_file_path": "suqeezenet_residual_cifar10-150_195.ckpt",
+    # Training options
+    "net_name": "suqeezenet_residual",
+    "dataset": "cifar10",
+    "class_num": 10,
+    "batch_size": 32,
+    "loss_scale": 1024,
+    "momentum": 0.9,
+    "weight_decay": 1e-4,
+    "epoch_size": 150,
+    "pretrain_epoch_size": 0,
+    "save_checkpoint": True,
+    "save_checkpoint_epochs": 1,
+    "keep_checkpoint_max": 10,
+    "save_checkpoint_path": "./",
+    "warmup_epochs": 5,
+    "lr_decay_mode": "linear",
+    "lr_init": 0,
+    "lr_end": 0,
+    "lr_max": 0.01,
+    "pre_trained": "",
+    #export
+    "width": 227,
+    "height": 227,
+    "file_name": "squeezenet",
+    "file_format": "AIR"
+})