Publishing 2019 R3.2 content

inference-engine/cmake/dependencies.cmake

@@ -72,18 +72,18 @@ if (THREADING STREQUAL "TBB" OR THREADING STREQUAL "TBB_AUTO")
     if (WIN32)
         #TODO: add target_path to be platform specific as well, to avoid following if
         RESOLVE_DEPENDENCY(TBB
-                ARCHIVE_WIN "tbb2019_20181010_win.zip" #TODO: windows zip archive created incorrectly using old name for folder
+                ARCHIVE_WIN "tbb2019_20181010_win_with_mall_proxy.zip" #TODO: windows zip archive created incorrectly using old name for folder
                 TARGET_PATH "${TEMP}/tbb"
                 ENVIRONMENT "TBBROOT"
                 VERSION_REGEX ".*_([a-z]*_([a-z0-9]+\\.)*[0-9]+).*")
     elseif(LINUX)
         RESOLVE_DEPENDENCY(TBB
-                ARCHIVE_LIN "tbb2019_20181010_lin.tgz"
+                ARCHIVE_LIN "tbb2019_20181010_lin_with_mall_proxy.tgz"
                 TARGET_PATH "${TEMP}/tbb"
                 ENVIRONMENT "TBBROOT")
     else(APPLE)
         RESOLVE_DEPENDENCY(TBB
-                ARCHIVE_MAC "tbb2019_20190414_v1_mac.tgz"
+                ARCHIVE_MAC "tbb2019_20190414_v1_mac_with_mall_proxy.tgz"
                 TARGET_PATH "${TEMP}/tbb"
                 ENVIRONMENT "TBBROOT"
                 VERSION_REGEX ".*_([a-z]*_([a-z0-9]+\\.)*[0-9]+).*")

inference-engine/include/details/ie_so_pointer.hpp

@@ -10,10 +10,14 @@
 
 #include <memory>
 #include "ie_so_loader.h"
+
 #include "ie_common.h"
 #include "ie_plugin.hpp"
 #include "details/ie_exception.hpp"
 #include "details/ie_no_release.hpp"
+#include "details/os/os_filesystem.hpp"
+
+#include <type_traits>
 #include <string>
 #include <cassert>
 
@@ -86,11 +90,17 @@ public:
     * @brief The main constructor
     * @param name Name of a shared library file
     */
-    explicit SOPointer(const file_name_t &name)
-        : _so_loader(new Loader(name.c_str()))
-        , _pointedObj(details::shared_from_irelease(
-            SymbolLoader<Loader>(_so_loader).template instantiateSymbol<T>(SOCreatorTrait<T>::name))) {
-    }
+    template <typename C,
+              typename = enableIfSupportedChar<C>>
+    explicit SOPointer(const std::basic_string<C> & name)
+        : _so_loader(new Loader(name.c_str())),
+          _pointedObj(details::shared_from_irelease(
+              SymbolLoader<Loader>(_so_loader).template instantiateSymbol<T>(SOCreatorTrait<T>::name))) {}
+
+    explicit SOPointer(const char * name)
+        : _so_loader(new Loader(name)),
+          _pointedObj(details::shared_from_irelease(
+              SymbolLoader<Loader>(_so_loader).template instantiateSymbol<T>(SOCreatorTrait<T>::name))) {}
 
     /**
     * @brief Constructs an object with existing reference

inference-engine/include/details/os/lin_shared_object_loader.h

@@ -10,8 +10,9 @@
 
 #include <dlfcn.h>
 
-#include "../../ie_api.h"
-#include "../ie_exception.hpp"
+#include "ie_api.h"
+#include "details/ie_exception.hpp"
+#include "details/os/os_filesystem.hpp"
 
 namespace InferenceEngine {
 namespace details {
@@ -35,6 +36,18 @@ public:
         if (shared_object == nullptr)
             THROW_IE_EXCEPTION << "Cannot load library '" << pluginName << "': " << dlerror();
     }
+
+#ifdef ENABLE_UNICODE_PATH_SUPPORT
+    /**
+     * @brief Loads a library with the name specified. The library is loaded according to
+     *        the POSIX rules for dlopen
+     * @param pluginName Full or relative path to the library
+     */
+    explicit SharedObjectLoader(const wchar_t* pluginName) : SharedObjectLoader(wStringtoMBCSstringChar(pluginName).c_str()) {
+    }
+
+#endif  // ENABLE_UNICODE_PATH_SUPPORT
+
     ~SharedObjectLoader() noexcept(false) {
         if (0 != dlclose(shared_object)) {
             THROW_IE_EXCEPTION << "dlclose failed: " << dlerror();

inference-engine/include/details/os/os_filesystem.hpp

@@ -9,13 +9,20 @@
 #pragma once
 
 #ifdef ENABLE_UNICODE_PATH_SUPPORT
-#include <string>
 #include <codecvt>
+#endif
+
+#include <string>
 #include <locale>
 
 namespace InferenceEngine {
 namespace details {
 
+template<typename C>
+using enableIfSupportedChar = typename std::enable_if<(std::is_same<C, char>::value || std::is_same<C, wchar_t>::value)>::type;
+
+#ifdef ENABLE_UNICODE_PATH_SUPPORT
+
 /**
 * @brief Conversion from wide character string to a single-byte chain.
 */
@@ -33,7 +40,7 @@ inline const std::wstring multiByteCharToWString(const char* str) {
     return result;
 }
 
+#endif  // ENABLE_UNICODE_PATH_SUPPORT
+
 }  // namespace details
 }  // namespace InferenceEngine
-
-#endif

inference-engine/include/details/os/win_shared_object_loader.h

@@ -8,8 +8,9 @@
  */
 #pragma once
 
-#include "../../ie_api.h"
-#include "../ie_exception.hpp"
+#include "ie_api.h"
+#include "details/ie_exception.hpp"
+#include "details/os/os_filesystem.hpp"
 
 // Avoidance of Windows.h to include winsock library.
 #define _WINSOCKAPI_
@@ -30,14 +31,7 @@ class SharedObjectLoader {
 private:
     HMODULE shared_object;
 
-public:
-    /**
-     * @brief Loads a library with the name specified. The library is loaded according to the
-     *        WinAPI LoadLibrary rules
-     * @param pluginName Full or relative path to the plugin library
-     */
-    explicit SharedObjectLoader(LPCTSTR pluginName) {
-        char cwd[1024];
+    void ExcludeCurrentDirectory() {
         // Exclude current directory from DLL search path process wise.
         // If application specific path was configured before then
         // current directory is alread excluded.
@@ -45,21 +39,38 @@ public:
         // path was set to "" or NULL so reset it to "" to keep
         // aplication safe.
         if (GetDllDirectory(0, NULL) <= 1) {
-            SetDllDirectory(
-#if defined UNICODE
-                L"");
-#else
-                "");
-#endif
+            SetDllDirectory(TEXT(""));
+        }
+    }
+
+public:
+    /**
+     * @brief Loads a library with the name specified. The library is loaded according to the
+     *        WinAPI LoadLibrary rules
+     * @param pluginName Full or relative path to the plugin library
+     */
+    explicit SharedObjectLoader(LPCWSTR pluginName) {
+        ExcludeCurrentDirectory();
+
+        shared_object = LoadLibraryW(pluginName);
+        if (!shared_object) {
+            char cwd[1024];
+            THROW_IE_EXCEPTION << "Cannot load library '" << details::wStringtoMBCSstringChar(std::wstring(pluginName)) << "': " << GetLastError()
+                               << " from cwd: " << _getcwd(cwd, sizeof(cwd));
         }
+    }
+
+    explicit SharedObjectLoader(LPCSTR pluginName) {
+        ExcludeCurrentDirectory();
+
         shared_object = LoadLibrary(pluginName);
         if (!shared_object) {
-            THROW_IE_EXCEPTION << "Cannot load library '"
-                << pluginName << "': "
-                << GetLastError()
-                << " from cwd: " << _getcwd(cwd, 1024);
+            char cwd[1024];
+            THROW_IE_EXCEPTION << "Cannot load library '" << pluginName << "': " << GetLastError()
+                << " from cwd: " << _getcwd(cwd, sizeof(cwd));
         }
     }
+
     ~SharedObjectLoader() {
         FreeLibrary(shared_object);
     }

inference-engine/include/ie_api.h

@@ -80,7 +80,7 @@
 #ifndef ENABLE_UNICODE_PATH_SUPPORT
     #if defined(_WIN32)
         #define ENABLE_UNICODE_PATH_SUPPORT
-    #elif defined(__GNUC__) && (__GNUC__ > 5 || (__GNUC__ == 5 && __GNUC_MINOR__ > 2))
+    #elif defined(__GNUC__) && (__GNUC__ > 5 || (__GNUC__ == 5 && __GNUC_MINOR__ > 2)) || defined(__clang__)
         #define ENABLE_UNICODE_PATH_SUPPORT
     #endif
 #endif

inference-engine/samples/common/samples/common.hpp

@@ -49,13 +49,32 @@ class ConsoleErrorListener : public InferenceEngine::IErrorListener {
 };
 
 /**
- * @brief Trims from both ends (in place)
+ * @brief trim from start (in place)
+ * @param s - string to trim
+ */
+inline void ltrim(std::string &s) {
+    s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](int c){
+        return !std::isspace(c);
+    }));
+}
+
+/**
+ * @brief trim from end (in place)
+ * @param s - string to trim
+ */
+inline void rtrim(std::string &s) {
+    s.erase(std::find_if(s.rbegin(), s.rend(), [](int c) {
+        return !std::isspace(c);
+    }).base(), s.end());
+}
+
+/**
+ * @brief trim from both ends (in place)
  * @param s - string to trim
- * @return trimmed string
  */
 inline std::string &trim(std::string &s) {
-    s.erase(s.begin(), std::find_if(s.begin(), s.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
-    s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
+    ltrim(s);
+    rtrim(s);
     return s;
 }
 

inference-engine/src/inference_engine/cpp_interfaces/ie_task_executor.cpp

@@ -18,7 +18,7 @@ namespace InferenceEngine {
 
 TaskExecutor::TaskExecutor(std::string name) : _isStopped(false), _name(name) {
     _thread = std::make_shared<std::thread>([&] {
-        anotateSetThreadName(("TaskExecutor thread for " + _name).c_str());
+        annotateSetThreadName(("TaskExecutor thread for " + _name).c_str());
         while (!_isStopped) {
             bool isQueueEmpty;
             Task::Ptr currentTask;

inference-engine/src/inference_engine/file_utils.cpp

@@ -53,34 +53,3 @@ void FileUtils::readAllFile(const std::string &string_file_name, void *buffer, s
     inputFile.close();
 }
 
-std::string FileUtils::folderOf(const std::string &filepath) {
-    auto pos = filepath.rfind(FileSeparator);
-    if (pos == std::string::npos) pos = filepath.rfind(FileSeparator2);
-    if (pos == std::string::npos) return "";
-    return filepath.substr(0, pos);
-}
-
-std::string FileUtils::makePath(const std::string &folder, const std::string &file) {
-    if (folder.empty()) return file;
-    return folder + FileSeparator + file;
-}
-
-std::string FileUtils::fileNameNoExt(const std::string &filepath) {
-    auto pos = filepath.rfind('.');
-    if (pos == std::string::npos) return filepath;
-    return filepath.substr(0, pos);
-}
-
-std::string FileUtils::fileExt(const char *filename) {
-    return fileExt(std::string(filename));
-}
-
-std::string FileUtils::fileExt(const std::string &filename) {
-    auto pos = filename.rfind('.');
-    if (pos == std::string::npos) return "";
-    return filename.substr(pos + 1);
-}
-
-bool FileUtils::isSharedLibrary(const std::string& fileName) {
-    return 0 == strncasecmp(fileExt(fileName).c_str(), SharedLibraryExt, strlen(SharedLibraryExt));
-}

inference-engine/src/inference_engine/file_utils.h

@@ -24,60 +24,102 @@
 #endif
 
 #include "ie_api.h"
+#include "ie_unicode.hpp"
+#include "details/os/os_filesystem.hpp"
+#include "details/ie_so_pointer.hpp"
 
 namespace FileUtils {
+
+template <typename T> struct FileTraits;
+
 #ifdef _WIN32
 /// @brief File path separator
 const char FileSeparator = '\\';
-const char SharedLibraryExt[] = "dll";
-#elif __APPLE__
-const char SharedLibraryExt[] = "dylib";
+template<> struct FileTraits<char> {
+    constexpr static const auto FileSeparator = ::FileUtils::FileSeparator;
+    static std::string SharedLibraryPrefix() { return { }; }
+    static std::string SharedLibraryExt() { return { "dll" }; }
+};
+template<> struct FileTraits<wchar_t> {
+    constexpr static const auto FileSeparator = L'\\';
+    static std::wstring SharedLibraryPrefix() { return { }; }
+    static std::wstring SharedLibraryExt() { return { L"dll" }; }
+};
+#elif defined __APPLE__
 /// @brief File path separator
 const char FileSeparator = '/';
+template<> struct FileTraits<char> {
+    constexpr static const auto FileSeparator = ::FileUtils::FileSeparator;
+    static std::string SharedLibraryPrefix() { return { "lib" }; }
+    static std::string SharedLibraryExt() { return { "dylib" }; }
+};
+template<> struct FileTraits<wchar_t> {
+    constexpr static const auto FileSeparator = L'/';
+    static std::wstring SharedLibraryPrefix() { return { L"lib" }; }
+    static std::wstring SharedLibraryExt() { return { L"dylib" }; }
+};
 #else
-const char SharedLibraryExt[] = "so";
 /// @brief File path separator
 const char FileSeparator = '/';
+template<> struct FileTraits<char> {
+    constexpr static const auto FileSeparator = ::FileUtils::FileSeparator;
+    static std::string SharedLibraryPrefix() { return { "lib" }; }
+    static std::string SharedLibraryExt() { return { "so" }; }
+};
+template<> struct FileTraits<wchar_t> {
+    constexpr static const auto FileSeparator = L'/';
+    static std::wstring SharedLibraryPrefix() { return { L"lib" }; }
+    static std::wstring SharedLibraryExt() { return { L"so" }; }
+};
 #endif
-/// @brief Alternative file path separator
-const char FileSeparator2 = '/';  // second option
 
 /**
- * @brief Interface function to get the size of a file
+ * @brief Interface function to get the size of a file. The function supports UNICODE path
  * @param fileName - name of the file
  * @return size of the file
  */
 INFERENCE_ENGINE_API_CPP(long long) fileSize(const char *fileName);
 
+#ifdef ENABLE_UNICODE_PATH_SUPPORT
+
+inline long long fileSize(const wchar_t* fileName) {
+    return fileSize(InferenceEngine::details::wStringtoMBCSstringChar(fileName).c_str());
+}
+
+#endif  // ENABLE_UNICODE_PATH_SUPPORT
+
 /**
- * @brief Function to get the size of a file
+ * @brief Function to get the size of a file. The function supports UNICODE path
  * @param f - string name of the file
  * @return size of the file
  */
-inline long long fileSize(const std::string &f) {
+template <typename C, typename = InferenceEngine::details::enableIfSupportedChar<C>>
+inline long long fileSize(const std::basic_string<C> &f) {
     return fileSize(f.c_str());
 }
 
 /**
- * @brief check if file with a given filename exists
+ * @brief check if file with a given filename exists. The function supports UNICODE path
  * @param fileName - given filename
  * @return true is exists
  */
-inline bool fileExist(const char *fileName) {
+template <typename C, typename = InferenceEngine::details::enableIfSupportedChar<C>>
+inline bool fileExist(const C * fileName) {
     return fileSize(fileName) >= 0;
 }
 
 /**
- * @brief check if file with a given filename exists
+ * @brief check if file with a given filename exists.  The function supports UNICODE path
  * @param fileName - string with a given filename
  * @return true is exists
  */
-inline bool fileExist(const std::string &fileName) {
+template <typename C, typename = InferenceEngine::details::enableIfSupportedChar<C>>
+inline bool fileExist(const std::basic_string<C> &fileName) {
     return fileExist(fileName.c_str());
 }
 
 /**
- * @brief CPP Interface function to read a file. In case of read error throws an exception
+ * @brief CPP Interface function to read a file. In case of read error throws an exception. The function supports UNICODE path
  * @param file_name - name of the file to read
  * @param buffer - buffer to read file to
  * @param maxSize - maximum size in bytes to read
@@ -92,40 +134,84 @@ INFERENCE_ENGINE_API_CPP(void) readAllFile(const std::string &file_name, void *b
 INFERENCE_ENGINE_API_CPP(std::string) folderOf(const std::string &filepath);
 
 /**
- * @brief CPP Interface function to combint path with filename
+ * @brief CPP Interface function to combint path with filename. The function supports UNICODE path
  * @param folder - path to add filename to
  * @param file - filename to add to path
  * @return string with combination of the path and the filename divided by file separator
  */
-INFERENCE_ENGINE_API_CPP(std::string) makePath(const std::string &folder, const std::string &file);
-
-/**
- * @brief CPP Interface function to remove file extension
- * @param filepath - filename with extension
- * @return string containing filename without extension
- */
-INFERENCE_ENGINE_API_CPP(std::string) fileNameNoExt(const std::string &filepath);
+template <typename C, typename = InferenceEngine::details::enableIfSupportedChar<C>>
+inline std::basic_string<C> makePath(const std::basic_string<C> &folder, const std::basic_string<C> &file) {
+    if (folder.empty())
+        return file;
+    return folder + FileTraits<C>::FileSeparator + file;
+}
 
-/**
- * @brief CPP Interface function to extract extension from filename
- * @param filename - name of the file which extension should be extracted
- * @return string with extracted file extension
- */
-INFERENCE_ENGINE_API_CPP(std::string) fileExt(const char *filename);
+template <typename C> struct DotSymbol;
+template <> struct DotSymbol<char> { constexpr static const char value = '.'; };
+template <> struct DotSymbol<wchar_t> { constexpr static const wchar_t value = L'.'; };
 
 /**
 * @brief CPP Interface function to extract extension from filename
 * @param filename - string with the name of the file which extension should be extracted
 * @return string with extracted file extension
 */
-INFERENCE_ENGINE_API_CPP(std::string) fileExt(const std::string &filename);
+template <typename C, typename = InferenceEngine::details::enableIfSupportedChar<C>>
+inline std::basic_string<C> fileExt(const std::basic_string<C> &filename) {
+    auto pos = filename.rfind(DotSymbol<C>::value);
+    if (pos == std::string::npos)
+        return {};
+    return filename.substr(pos + 1);
+}
 
 /**
 * @brief CPP Interface function to check if given filename belongs to shared library
 * @param filename - file name to check
 * @return true if filename is a shared library filename
 */
-INFERENCE_ENGINE_API_CPP(bool) isSharedLibrary(const std::string &fileName);
+inline bool isSharedLibrary(const std::string &fileName) {
+    return 0 ==
+#ifdef _WIN32
+    _strnicmp
+#else
+    strncasecmp
+#endif
+    (fileExt(fileName).c_str(), FileTraits<char>::SharedLibraryExt().c_str(),
+        FileTraits<char>::SharedLibraryExt().size());
+}
+
+template <typename C, typename = InferenceEngine::details::enableIfSupportedChar<C>>
+inline std::basic_string<C> makeSharedLibraryName(const std::basic_string<C> &path, const std::basic_string<C> &input) {
+    std::basic_string<C> separator(1, FileTraits<C>::FileSeparator);
+    if (path.empty())
+        separator = {};
+    return path + separator + FileTraits<C>::SharedLibraryPrefix() + input + DotSymbol<C>::value + FileTraits<C>::SharedLibraryExt();
+}
+
+#ifdef ENABLE_UNICODE_PATH_SUPPORT
+
+using FilePath = std::wstring;
+
+inline std::string fromFilePath(const FilePath & path) {
+    return InferenceEngine::details::wStringtoMBCSstringChar(path);
+}
+
+inline FilePath toFilePath(const std::string & path) {
+    return InferenceEngine::details::multiByteCharToWString(path.c_str());
+}
+
+#else
+
+using FilePath = std::string;
+
+inline std::string fromFilePath(const FilePath & path) {
+    return path;
+}
+
+inline FilePath toFilePath(const std::string & path) {
+    return path;
+}
+
+#endif  // ENABLE_UNICODE_PATH_SUPPORT
 
 /**
  * @brief TODO: description

inference-engine/src/inference_engine/ie_core.cpp

@@ -112,9 +112,9 @@ class Core::Impl : public ICore {
     mutable std::map<std::string, InferencePlugin, details::CaselessLess<std::string> > plugins;
 
     struct PluginDescriptor {
-        file_name_t libraryLocation;
+        FileUtils::FilePath libraryLocation;
         std::map<std::string, std::string> defaultConfig;
-        std::vector<std::string> listOfExtentions;
+        std::vector<FileUtils::FilePath> listOfExtentions;
     };
     std::map<std::string, PluginDescriptor, details::CaselessLess<std::string> > pluginRegistry;
     IErrorListener * listener = nullptr;
@@ -123,12 +123,20 @@ public:
     ~Impl() override;
 
     /**
-     * @brief Register plugins for devices which are located in .xml configuration file
+     * @brief Register plugins for devices which are located in .xml configuration file. The function supports UNICODE path
      * @param xmlConfigFile - an .xml configuraion with device / plugin information
      */
     void RegisterPluginsInRegistry(const std::string & xmlConfigFile) {
+#if defined(ENABLE_UNICODE_PATH_SUPPORT) && defined(_WIN32)
+        std::wstring wFilePath = InferenceEngine::details::multiByteCharToWString(xmlConfigFile.c_str());
+        const wchar_t* resolvedFilepath = wFilePath.c_str();
+#else
+        const char* resolvedFilepath = xmlConfigFile.c_str();
+#endif
+
+
         pugi::xml_document xmlDoc;
-        pugi::xml_parse_result res = xmlDoc.load_file(xmlConfigFile.c_str());
+        pugi::xml_parse_result res = xmlDoc.load_file(resolvedFilepath);
 
         if (res.status != pugi::status_ok) {
             std::ifstream t(xmlConfigFile);
@@ -160,7 +168,7 @@ public:
         for (auto pluginNode = devicesNode.child("plugin"); !pluginNode.empty();
              pluginNode = pluginNode.next_sibling("plugin")) {
             std::string deviceName = GetStrAttr(pluginNode, "name");
-            file_name_t pluginPath = GetStrAttr(pluginNode, "location");
+            FileUtils::FilePath pluginPath = FileUtils::toFilePath(GetStrAttr(pluginNode, "location").c_str());
 
             if (deviceName.find('.') != std::string::npos) {
                 THROW_IE_EXCEPTION << "Device name must not contain dot '.' symbol";
@@ -168,9 +176,8 @@ public:
 
             // append IR library path for default IE plugins
             {
-                std::string absPluginPath = FileUtils::makePath(getIELibraryPath(), pluginPath);
-                if (FileUtils::fileExist(absPluginPath))
-                    pluginPath = absPluginPath;
+                FileUtils::FilePath absFilePath = FileUtils::makePath(getInferenceEngineLibraryPath(), pluginPath);
+                if (FileUtils::fileExist(absFilePath)) pluginPath = absFilePath;
             }
 
             // check properties
@@ -188,12 +195,12 @@ public:
 
             // check extensions
             auto extensionsNode = pluginNode.child("extensions");
-            std::vector<std::string> listOfExtentions;
+            std::vector<FileUtils::FilePath> listOfExtentions;
 
             if (extensionsNode) {
                 for (auto extensionNode = extensionsNode.child("extension"); !extensionNode.empty();
                      extensionNode = extensionNode.next_sibling("extension")) {
-                    std::string extensionLocation = GetStrAttr(extensionNode, "location");
+                    FileUtils::FilePath extensionLocation = FileUtils::toFilePath(GetStrAttr(extensionNode, "location").c_str());
                     listOfExtentions.push_back(extensionLocation);
                 }
             }
@@ -262,8 +269,10 @@ public:
                 {
                     cppPlugin.SetConfig(desc.defaultConfig);
 
-                    for (auto && extensionLocation : desc.listOfExtentions) {
-                        cppPlugin.AddExtension(make_so_pointer<IExtension>(extensionLocation));
+                    for (auto&& extensionLocation : desc.listOfExtentions) {
+                        // TODO: fix once InferenceEngine::Extension can accept FileUtils::FilePath
+                        //       currently, extensions cannot be loaded using wide path
+                        cppPlugin.AddExtension(make_so_pointer<IExtension>(FileUtils::fromFilePath(extensionLocation)));
                     }
 
                     if (listener)
@@ -271,8 +280,9 @@ public:
                 }
 
                 plugins[deviceName] = cppPlugin;
-            } catch (const details::InferenceEngineException & ex) {
-                THROW_IE_EXCEPTION << "Failed to create plugin " << desc.libraryLocation << " for device " << deviceName << "\n"
+            } catch (const details::InferenceEngineException& ex) {
+                THROW_IE_EXCEPTION << "Failed to create plugin " << FileUtils::fromFilePath(desc.libraryLocation)
+                                   << " for device " << deviceName << "\n"
                                    << "Please, check your environment\n"
                                    << ex.what() << "\n";
             }
@@ -309,13 +319,12 @@ public:
         }
 
         // append IR library path for default IE plugins
-        std::string pluginPath;
+        FileUtils::FilePath pluginPath;
         {
-            pluginPath = make_plugin_name(file_name_t(), pluginName);
+            pluginPath = FileUtils::makeSharedLibraryName({}, FileUtils::toFilePath(pluginName.c_str()));
 
-            std::string absPluginPath = FileUtils::makePath(getIELibraryPath(), pluginPath);
-            if (FileUtils::fileExist(absPluginPath))
-                pluginPath = absPluginPath;
+            FileUtils::FilePath absFilePath = FileUtils::makePath(getInferenceEngineLibraryPath(), pluginPath);
+            if (FileUtils::fileExist(absFilePath)) pluginPath = absFilePath;
         }
 
         PluginDescriptor desc = { pluginPath, { }, { } };
@@ -368,7 +377,8 @@ Core::Core(const std::string & xmlConfigFile) {
     std::string xmlConfigFile_ = xmlConfigFile;
     if (xmlConfigFile_.empty()) {
         // register plugins from default plugins.xml config
-        xmlConfigFile_ = FileUtils::makePath(getIELibraryPath(), "plugins.xml");
+        FileUtils::FilePath xmlConfigFileDefault = FileUtils::makePath(getInferenceEngineLibraryPath(), FileUtils::toFilePath("plugins.xml"));
+        xmlConfigFile_ = FileUtils::fromFilePath(xmlConfigFileDefault);
     }
 
     RegisterPlugins(xmlConfigFile_);

inference-engine/src/inference_engine/ie_profiling.hpp

@@ -263,7 +263,7 @@ inline static void annotateEnd(IttStatic&, IttProfilingTask& t) {
 
 #define IE_PROFILING_AUTO_SCOPE_TASK(PROFILING_TASK) IE_ITT_TASK_SCOPE(PROFILING_TASK); IE_TIMER_SCOPE(PROFILING_TASK.name)
 
-inline static void anotateSetThreadName(const char* name) {
+inline static void annotateSetThreadName(const char* name) {
     #ifdef ENABLE_PROFILING_ITT
     __itt_thread_set_name(name);
     #endif

inference-engine/src/inference_engine/ie_util_internal.cpp

@@ -9,6 +9,7 @@
 #include "ie_icnn_network_stats.hpp"
 #include "cpp/ie_plugin_cpp.hpp"
 #include "details/ie_cnn_network_tools.h"
+#include "details/os/os_filesystem.hpp"
 #include "file_utils.h"
 #include "net_pass.h"
 #include "precision_utils.h"
@@ -737,32 +738,54 @@ std::unordered_set<DataPtr> getRootDataObjects(ICNNNetwork &network) {
 
 namespace {
 
-std::string getPathName(const std::string & s) {
-    size_t i = s.rfind(FileUtils::FileSeparator, s.length());
+template <typename C, typename = InferenceEngine::details::enableIfSupportedChar<C> >
+std::basic_string<C> getPathName(const std::basic_string<C>& s) {
+    size_t i = s.rfind(FileUtils::FileTraits<C>::FileSeparator, s.length());
     if (i != std::string::npos) {
         return(s.substr(0, i));
     }
 
-    return std::string();
+    return {};
 }
 
 }  // namespace
 
-std::string getIELibraryPath() {
+#ifndef _WIN32
+
+static std::string getIELibraryPathUnix() {
+    Dl_info info;
+    dladdr(reinterpret_cast<void*>(getIELibraryPath), &info);
+    return getPathName(std::string(info.dli_fname)).c_str();
+}
+
+#endif  // _WIN32
+
+#ifdef ENABLE_UNICODE_PATH_SUPPORT
+
+std::wstring getIELibraryPathW() {
 #if defined(_WIN32) || defined(_WIN64)
-    char ie_library_path[2048];
+    wchar_t ie_library_path[4096];
     HMODULE hm = NULL;
-    if (!GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS |
-                            GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
-                            (LPCSTR)getIELibraryPath, &hm)) {
+    if (!GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
+                            (LPCWSTR)getIELibraryPath, &hm)) {
         THROW_IE_EXCEPTION << "GetModuleHandle returned " << GetLastError();
     }
-    GetModuleFileNameA(hm, (LPSTR)ie_library_path, sizeof(ie_library_path));
-    return getPathName(ie_library_path);
+    GetModuleFileNameW(hm, (LPWSTR)ie_library_path, sizeof(ie_library_path));
+    return getPathName(std::wstring(ie_library_path));
 #else
     Dl_info info;
-    dladdr(reinterpret_cast<void *>(getIELibraryPath), &info);
-    return getPathName(info.dli_fname);
+    dladdr(reinterpret_cast<void*>(getIELibraryPath), &info);
+    return details::multiByteCharToWString(getIELibraryPathUnix().c_str());
+#endif
+}
+
+#endif
+
+std::string getIELibraryPath() {
+#ifdef ENABLE_UNICODE_PATH_SUPPORT
+    return details::wStringtoMBCSstringChar(getIELibraryPathW());
+#else
+    return getIELibraryPathUnix();
 #endif
 }
 

inference-engine/src/inference_engine/ie_util_internal.hpp

@@ -14,6 +14,7 @@
 
 #include <cpp/ie_cnn_network.h>
 #include <cnn_network_impl.hpp>
+#include <file_utils.h>
 #include <tuple>
 #include <type_traits>
 
@@ -187,6 +188,17 @@ getRootDataObjects(ICNNNetwork &network);
 
 INFERENCE_ENGINE_API_CPP(std::string) getIELibraryPath();
 
+#ifdef ENABLE_UNICODE_PATH_SUPPORT
+INFERENCE_ENGINE_API_CPP(std::wstring) getIELibraryPathW();
+inline ::FileUtils::FilePath getInferenceEngineLibraryPath() {
+    return getIELibraryPathW();
+}
+#else
+inline ::FileUtils::FilePath getInferenceEngineLibraryPath() {
+    return getIELibraryPath();
+}
+#endif  // ENABLE_UNICODE_PATH_SUPPORT
+
 }  // namespace InferenceEngine
 
 #endif  // IE_UTIL_HPP

inference-engine/src/mkldnn_plugin/nodes/mkldnn_split_node.cpp

@@ -328,6 +328,42 @@ void MKLDNNSplitNode::selectOptimalPrimitiveDescriptor() {
         }
     }
 
+    // This logic is needed to cover cases when Split node cannot be optimized out for particular block size
+    // In general it is significantly better to have additional reorders in graph than to use reference Split implementation
+    if (convertTo == memory::nChw16c || convertTo == memory::nCdhw16c ||
+        convertTo == memory::nChw8c || convertTo == memory::nCdhw8c) {
+        int blockSize = convertTo == memory::nChw16c || convertTo == memory::nCdhw16c ? 16 : 8;
+        bool shouldDecreaseBlockSize = false;
+        for (auto& parentEdge : getParentEdges()) {
+            if (parentEdge.lock()->getDims()[1] % blockSize != 0)
+                shouldDecreaseBlockSize = true;
+        }
+
+        for (auto& childEdge : getChildEdges()) {
+            if (childEdge.lock()->getDims()[1] % blockSize != 0)
+                shouldDecreaseBlockSize = true;
+        }
+
+        if (shouldDecreaseBlockSize) {
+            int decreasedBlockSize = 8;
+            bool canDecreaseBlockSize = true;
+            for (auto &parentEdge : getParentEdges()) {
+                if (parentEdge.lock()->getDims()[1] % decreasedBlockSize != 0)
+                    canDecreaseBlockSize = false;
+            }
+
+            for (auto &childEdge : getChildEdges()) {
+                if (childEdge.lock()->getDims()[1] % decreasedBlockSize != 0)
+                    canDecreaseBlockSize = false;
+            }
+
+            if (canDecreaseBlockSize)
+                convertTo = getParentEdgeAt(0)->getDims().ndims() == 5 ? memory::nCdhw8c : memory::nChw8c;
+            else
+                convertTo = MKLDNNMemory::GetPlainFormat(getParentEdgeAt(0)->getDims());
+        }
+    }
+
     if (canOptimize && MKLDNNMemoryDesc(getParentEdgeAt(0)->getDims(), inputDataType, convertTo).blocksExtended())
         canOptimize = false;
     for (size_t i = 0; canOptimize && i < getChildEdges().size(); i++) {

inference-engine/tests/helpers/tests_unicode.hpp

+// Copyright (C) 2018-2019 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include <vector>
+#include <string>
+#include <fstream>
+#include <details/os/os_filesystem.hpp>
+
+#ifdef ENABLE_UNICODE_PATH_SUPPORT
+
+static void fixSlashes(std::string &str) {
+    std::replace(str.begin(), str.end(), '/', '\\');
+}
+
+static void fixSlashes(std::wstring &str) {
+    std::replace(str.begin(), str.end(), L'/', L'\\');
+}
+
+static std::wstring stringToWString(std::string input) {
+    std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
+    std::wstring result = converter.from_bytes(input);
+    return result;
+}
+
+static bool copyFile(std::wstring source_path, std::wstring dest_path) {
+#ifndef _WIN32
+    std::ifstream source(InferenceEngine::details::wStringtoMBCSstringChar(source_path), std::ios::binary);
+    std::ofstream dest(InferenceEngine::details::wStringtoMBCSstringChar(dest_path), std::ios::binary);
+#else
+    fixSlashes(source_path);
+    fixSlashes(dest_path);
+    std::ifstream source(source_path, std::ios::binary);
+    std::ofstream dest(dest_path, std::ios::binary);
+#endif
+    bool result = source && dest;
+    std::istreambuf_iterator<char> begin_source(source);
+    std::istreambuf_iterator<char> end_source;
+    std::ostreambuf_iterator<char> begin_dest(dest);
+    copy(begin_source, end_source, begin_dest);
+
+    source.close();
+    dest.close();
+    return result;
+}
+
+static bool copyFile(std::string source_path, std::wstring dest_path) {
+    return copyFile(stringToWString(source_path), dest_path);
+}
+
+static std::wstring addUnicodePostfixToPath(std::string source_path, std::wstring postfix) {
+    fixSlashes(source_path);
+    std::wstring result = stringToWString(source_path);
+    std::wstring file_name = result.substr(0, result.size() - 4);
+    std::wstring extension = result.substr(result.size() - 4, result.size());
+    result = file_name + postfix + extension;
+    return result;
+}
+
+static void removeFile(std::wstring path) {
+    int result = 0;
+    if (!path.empty()) {
+#ifdef _WIN32
+        result = _wremove(path.c_str());
+#else
+        result = remove(InferenceEngine::details::wStringtoMBCSstringChar(path).c_str());
+#endif
+    }
+}
+
+static const std::vector<std::wstring> test_unicode_postfix_vector = {
+    L"unicode_Яㅎあ",
+    L"ひらがな日本語",
+    L"大家有天分",
+    L"עפצקרשתםןףץ",
+    L"ث خ ذ ض ظ غ",
+    L"그것이정당하다",
+    L"АБВГДЕЁЖЗИЙ",
+    L"СТУФХЦЧШЩЬЮЯ"
+};
+
+#endif  // ENABLE_UNICODE_PATH_SUPPORT

inference-engine/thirdparty/mkl-dnn/src/cpu/jit_avx2_conv_kernel_f32.cpp

@@ -615,12 +615,19 @@ status_t jit_avx2_conv_fwd_kernel_f32::init_conf(jit_conv_conf_t &jcp,
             // adjust one of nb_oc_block, ur_w preserving to ur_w >= l_pad
             if (jcp.ur_w > jcp.l_pad && jcp.ur_w > 1)
                 jcp.ur_w -= 1;
-            else
-                for (int b = 3; b > 1; b--)
+            else {
+                for (int b = 3; b > 1; b--) {
                     if (jcp.nb_oc % b == 0) {
                         jcp.nb_oc_blocking = b;
                         break;
                     }
+                }
+                if ((jcp.nb_oc_blocking + 1) * jcp.ur_w > num_avail_regs) {
+                    // No optimal size for 'nb_oc_blocking' with regards to
+                    // 'nb_oc', default to only unroll by 'ur_w'.
+                    jcp.nb_oc_blocking = 1;
+                }
+            }
         }
     }
 

inference-engine/thirdparty/mkl-dnn/src/cpu/jit_uni_1x1_conv_utils.hpp

@@ -97,6 +97,7 @@ inline void rtus_prepare(conv_pd_t *self, const convolution_desc_t *&conv_d,
 template <typename conv_pd_t>
 inline void rtus_prepare_space_info(conv_pd_t *self,
         memory_tracking::registrar_t &scratchpad) {
+    if (!self->rtus_.reduce_src_) return;
     const auto &jcp = self->jcp_;
 
     const int max_threads = mkldnn_get_max_threads();