Feature: Support convert OpenCL binary(binary and parameter) files to code.

1. Convert OpenCL binary files to code.
2. example support OpenCL byte stream with --cl_binary_to_code flag.

docs/user_guide/advanced_usage.rst

@@ -314,14 +314,18 @@ Tuning for specific SoC's GPU
                   └── opencl
                       └── arm64-v8a
                          ├── moblinet-v2_compiled_opencl_kernel.MiNote3.sdm660.bin
-                         └── moblinet-v2_tuned_opencl_parameter.MiNote3.sdm660.bin
+                         ├── moblinet-v2_compiled_opencl_kernel.MiNote3.sdm660.bin.cc
+                         ├── moblinet-v2_tuned_opencl_parameter.MiNote3.sdm660.bin
+                         └── moblinet-v2_tuned_opencl_parameter.MiNote3.sdm660.bin.cc
 
 
         * **mobilenet-v2-gpu_compiled_opencl_kernel.MI6.msm8998.bin** stands for the OpenCL binaries
           used for your models, which could accelerate the initialization stage.
           Details please refer to `OpenCL Specification <https://www.khronos.org/registry/OpenCL/sdk/1.0/docs/man/xhtml/clCreateProgramWithBinary.html>`__.
+        * **mobilenet-v2-gpu_compiled_opencl_kernel.MI6.msm8998.bin.cc** contains C++ source code which defines OpenCL binary data as const array.
         * **mobilenet-v2-tuned_opencl_parameter.MI6.msm8998.bin** stands for the tuned OpenCL parameters
           for the SoC.
+        * **mobilenet-v2-tuned_opencl_parameter.MI6.msm8998.bin.cc** contains C++ source code which defines OpenCL binary data as const array.
 
     * **4. Deployment**
         * Change the names of files generated above for not collision and push them to **your own device's directory**.

mace/codegen/BUILD

@@ -38,6 +38,18 @@ cc_library(
     copts = ["-Werror", "-Wextra", "-Wno-missing-field-initializers"],
 )
 
+cc_library(
+    name = "generated_opencl_binary",
+    srcs = ["opencl/opencl_binary.cc"],
+    copts = ["-Werror", "-Wextra", "-Wno-missing-field-initializers"],
+)
+
+cc_library(
+    name = "generated_opencl_parameter",
+    srcs = ["opencl/opencl_parameter.cc"],
+    copts = ["-Werror", "-Wextra", "-Wno-missing-field-initializers"],
+)
+
 cc_library(
     name = "generated_version",
     srcs = ["version/version.cc"],

mace/core/device_context.cc

@@ -39,20 +39,30 @@ std::string FindFirstExistPath(const std::vector<std::string> &paths) {
 
 GPUContext::GPUContext(const std::string &storage_path,
                        const std::vector<std::string> &opencl_binary_paths,
-                       const std::string &opencl_parameter_path)
+                       const std::string &opencl_parameter_path,
+                       const unsigned char *opencl_binary_ptr,
+                       const size_t opencl_binary_size,
+                       const unsigned char *opencl_parameter_ptr,
+                       const size_t opencl_parameter_size)
     : storage_factory_(new FileStorageFactory(storage_path)),
-      opencl_tuner_(new Tuner<uint32_t>(opencl_parameter_path)) {
-
+      opencl_tuner_(new Tuner<uint32_t>(opencl_parameter_path,
+                                        opencl_parameter_ptr,
+                                        opencl_parameter_size)) {
   if (!storage_path.empty()) {
     opencl_cache_storage_ =
         storage_factory_->CreateStorage(kPrecompiledProgramFileName);
   }
 
-  std::string precompiled_binary_path =
-      FindFirstExistPath(opencl_binary_paths);
-  if (!precompiled_binary_path.empty()) {
+  if (opencl_binary_ptr != nullptr) {
     opencl_binary_storage_.reset(
-        new FileStorage(precompiled_binary_path));
+        new ReadOnlyByteStreamStorage(opencl_binary_ptr, opencl_binary_size));
+  } else {
+    std::string precompiled_binary_path =
+        FindFirstExistPath(opencl_binary_paths);
+    if (!precompiled_binary_path.empty()) {
+      opencl_binary_storage_.reset(
+          new FileStorage(precompiled_binary_path));
+    }
   }
 }
 

mace/core/device_context.h

@@ -20,7 +20,7 @@
 #include <string>
 #include <vector>
 
-#include "mace/core/file_storage.h"
+#include "mace/core/kv_storage.h"
 #include "mace/utils/tuner.h"
 
 namespace mace {
@@ -29,7 +29,11 @@ class GPUContext {
  public:
   GPUContext(const std::string &storage_path = "",
              const std::vector<std::string> &opencl_binary_path = {},
-             const std::string &opencl_parameter_path = "");
+             const std::string &opencl_parameter_path = "",
+             const unsigned char *opencl_binary_ptr = nullptr,
+             const size_t opencl_binary_size = 0,
+             const unsigned char *opencl_parameter_ptr = nullptr,
+             const size_t opencl_parameter_size = 0);
   ~GPUContext();
 
   std::shared_ptr<KVStorage> opencl_binary_storage();

mace/core/file_storage.cc → mace/core/kv_storage.cc

@@ -23,11 +23,50 @@
 #include <memory>
 #include <utility>
 
-#include "mace/core/file_storage.h"
+#include "mace/core/kv_storage.h"
+#include "mace/core/macros.h"
 #include "mace/utils/logging.h"
 
 namespace mace {
 
+namespace {
+void ParseKVData(const unsigned char *data,
+                 size_t data_size,
+                 std::map<std::string, std::vector<unsigned char>> *kv_map) {
+  const size_t int_size = sizeof(int32_t);
+
+  size_t parsed_offset = 0;
+  int64_t num_tuple = 0;
+  memcpy(&num_tuple, data, sizeof(num_tuple));
+  data += sizeof(num_tuple);
+  parsed_offset += sizeof(num_tuple);
+  int32_t key_size = 0;
+  int32_t value_size = 0;
+  for (int i = 0; i < num_tuple; ++i) {
+    memcpy(&key_size, data, int_size);
+    data += int_size;
+    std::unique_ptr<char[]> key(new char[key_size+1]);
+    memcpy(&key[0], data, key_size);
+    data += key_size;
+    key[key_size] = '\0';
+    parsed_offset += int_size + key_size;
+
+    memcpy(&value_size, data, int_size);
+    data += int_size;
+    std::vector<unsigned char> value(value_size);
+    memcpy(value.data(), data, value_size);
+    data += value_size;
+    parsed_offset += int_size + value_size;
+    MACE_CHECK(parsed_offset <= data_size,
+               "Paring storage data out of range: ",
+               parsed_offset, " > ", data_size);
+
+    kv_map->emplace(std::string(&key[0]), value);
+  }
+}
+
+}  // namespace
+
 class FileStorageFactory::Impl {
  public:
   explicit Impl(const std::string &path);
@@ -103,32 +142,8 @@ int FileStorage::Load() {
     }
     return -1;
   }
-  unsigned char *file_data_ptr = file_data;
-
-  const size_t int_size = sizeof(int32_t);
-
-  int64_t data_size = 0;
-  memcpy(&data_size, file_data_ptr, sizeof(int64_t));
-  file_data_ptr += sizeof(int64_t);
-  int32_t key_size = 0;
-  int32_t value_size = 0;
-  for (int i = 0; i < data_size; ++i) {
-    memcpy(&key_size, file_data_ptr, int_size);
-    file_data_ptr += int_size;
-    std::unique_ptr<char[]> key(new char[key_size+1]);
-    memcpy(&key[0], file_data_ptr, key_size);
-    file_data_ptr += key_size;
-    key[key_size] = '\0';
-
-    memcpy(&value_size, file_data_ptr, int_size);
-    file_data_ptr += int_size;
-    std::vector<unsigned char> value(value_size);
-    memcpy(value.data(), file_data_ptr, value_size);
-    file_data_ptr += value_size;
-
-    data_.emplace(std::string(&key[0]), value);
-  }
 
+  ParseKVData(file_data, file_size, &data_);
   res = munmap(file_data, file_size);
   if (res != 0) {
     LOG(WARNING) << "munmap file " << file_path_
@@ -245,4 +260,40 @@ int FileStorage::Flush() {
   return 0;
 }
 
+
+ReadOnlyByteStreamStorage::ReadOnlyByteStreamStorage(
+    const unsigned char *byte_stream, size_t byte_stream_size) {
+  ParseKVData(byte_stream, byte_stream_size, &data_);
+}
+
+int ReadOnlyByteStreamStorage::Load() {
+  return 0;
+}
+
+bool ReadOnlyByteStreamStorage::Clear() {
+  LOG(FATAL) << "ReadOnlyByteStreamStorage should not clear data";
+  return true;
+}
+
+const std::vector<unsigned char>* ReadOnlyByteStreamStorage::Find(
+    const std::string &key) {
+  auto iter = data_.find(key);
+  if (iter == data_.end()) return nullptr;
+
+  return &(iter->second);
+}
+
+bool ReadOnlyByteStreamStorage::Insert(
+    const std::string &key,
+    const std::vector<unsigned char> &value) {
+  MACE_UNUSED(key);
+  MACE_UNUSED(value);
+  LOG(FATAL) << "ReadOnlyByteStreamStorage should not insert data";
+  return true;
+}
+
+int ReadOnlyByteStreamStorage::Flush() {
+  return 0;
+}
+
 };  // namespace mace

mace/core/file_storage.h → mace/core/kv_storage.h

@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef MACE_CORE_FILE_STORAGE_H_
-#define MACE_CORE_FILE_STORAGE_H_
+#ifndef MACE_CORE_KV_STORAGE_H_
+#define MACE_CORE_KV_STORAGE_H_
 
 #include <map>
 #include <memory>
@@ -80,6 +80,25 @@ class FileStorage : public KVStorage {
   utils::RWMutex data_mutex_;
 };
 
+
+class ReadOnlyByteStreamStorage : public KVStorage {
+ public:
+  // load data from byte stream
+  explicit ReadOnlyByteStreamStorage(const unsigned char *byte_stream,
+                                     size_t byte_stream_size);
+
+ public:
+  int Load() override;
+  bool Clear() override;
+  bool Insert(const std::string &key,
+              const std::vector<unsigned char> &value) override;
+  const std::vector<unsigned char> *Find(const std::string &key) override;
+  int Flush() override;
+
+ private:
+  std::map<std::string, std::vector<unsigned char>> data_;
+};
+
 }  // namespace mace
 
-#endif  // MACE_CORE_FILE_STORAGE_H_
+#endif  // MACE_CORE_KV_STORAGE_H_

mace/core/runtime/opencl/opencl_runtime.cc

@@ -25,7 +25,7 @@
 #include <utility>
 
 #include "mace/core/macros.h"
-#include "mace/core/file_storage.h"
+#include "mace/core/kv_storage.h"
 #include "mace/core/runtime/opencl/opencl_extension.h"
 #include "mace/utils/tuner.h"
 

mace/core/runtime/opencl/opencl_runtime.h

@@ -22,7 +22,7 @@
 #include <string>
 #include <vector>
 
-#include "mace/core/file_storage.h"
+#include "mace/core/kv_storage.h"
 #include "mace/core/future.h"
 #include "mace/core/runtime/opencl/cl2_header.h"
 #include "mace/core/runtime/opencl/scratch_image.h"

mace/examples/cli/BUILD

@@ -31,6 +31,8 @@ cc_binary(
         "//external:gflags_nothreads",
         "//mace/codegen:generated_mace_engine_factory",
         "//mace/codegen:generated_libmace",
+        "//mace/codegen:generated_opencl_binary",
+        "//mace/codegen:generated_opencl_parameter",
     ] + if_hexagon_enabled([
         "//third_party/nnlib:libhexagon",
     ]),
@@ -59,5 +61,7 @@ cc_binary(
         "//external:gflags_nothreads",
         "//mace/codegen:generated_libmace",
         "//mace/codegen:generated_mace_engine_factory",
+        "//mace/codegen:generated_opencl_binary",
+        "//mace/codegen:generated_opencl_parameter",
     ],
 )

mace/examples/cli/example.cc

@@ -27,6 +27,16 @@
 #include "mace/codegen/engine/mace_engine_factory.h"
 #endif
 
+#ifdef MACE_ENABLE_OPENCL
+namespace mace {
+const unsigned char *LoadOpenCLBinary();
+size_t OpenCLBinarySize();
+const unsigned char *LoadOpenCLParameter();
+size_t OpenCLParameterSize();
+}  // namespace mace
+#endif
+
+
 namespace mace {
 namespace examples {
 
@@ -187,7 +197,9 @@ bool RunModel(const std::vector<std::string> &input_names,
     gpu_context = GPUContextBuilder()
         .SetStoragePath(storage_path)
         .SetOpenCLBinaryPaths(opencl_binary_paths)
+        .SetOpenCLBinary(LoadOpenCLBinary(), OpenCLBinarySize())
         .SetOpenCLParameterPath(FLAGS_opencl_parameter_file)
+        .SetOpenCLParameter(LoadOpenCLParameter(), OpenCLParameterSize())
         .Finalize();
 
     config.SetGPUContext(gpu_context);

mace/libmace/mace.cc

@@ -97,20 +97,34 @@ MaceStatus CheckGPUAvalibility(const NetDef *net_def, Device *device) {
 
 class GPUContextBuilder::Impl {
  public:
+  Impl();
   void SetStoragePath(const std::string &path);
 
   void SetOpenCLBinaryPaths(const std::vector<std::string> &paths);
 
+  void SetOpenCLBinary(const unsigned char *data, const size_t size);
+
   void SetOpenCLParameterPath(const std::string &path);
 
+  void SetOpenCLParameter(const unsigned char *data, const size_t size);
+
   std::shared_ptr<GPUContext> Finalize();
 
  public:
   std::string storage_path_;
   std::vector<std::string> opencl_binary_paths_;
   std::string opencl_parameter_path_;
+  const unsigned char *opencl_binary_ptr_;
+  size_t opencl_binary_size_;
+  const unsigned char *opencl_parameter_ptr_;
+  size_t opencl_parameter_size_;
 };
 
+GPUContextBuilder::Impl::Impl()
+    : storage_path_(""), opencl_binary_paths_(0), opencl_parameter_path_(""),
+      opencl_binary_ptr_(nullptr), opencl_binary_size_(0),
+      opencl_parameter_ptr_(nullptr), opencl_parameter_size_(0) {}
+
 void GPUContextBuilder::Impl::SetStoragePath(const std::string &path) {
   storage_path_ = path;
 }
@@ -120,15 +134,31 @@ void GPUContextBuilder::Impl::SetOpenCLBinaryPaths(
   opencl_binary_paths_ = paths;
 }
 
+void GPUContextBuilder::Impl::SetOpenCLBinary(const unsigned char *data,
+                                              const size_t size) {
+  opencl_binary_ptr_ = data;
+  opencl_binary_size_ = size;
+}
+
 void GPUContextBuilder::Impl::SetOpenCLParameterPath(
     const std::string &path) {
   opencl_parameter_path_ = path;
 }
 
+void GPUContextBuilder::Impl::SetOpenCLParameter(const unsigned char *data,
+                                                 const size_t size) {
+  opencl_parameter_ptr_ = data;
+  opencl_parameter_size_ = size;
+}
+
 std::shared_ptr<GPUContext> GPUContextBuilder::Impl::Finalize() {
   return std::shared_ptr<GPUContext>(new GPUContext(storage_path_,
                                                     opencl_binary_paths_,
-                                                    opencl_parameter_path_));
+                                                    opencl_parameter_path_,
+                                                    opencl_binary_ptr_,
+                                                    opencl_binary_size_,
+                                                    opencl_parameter_ptr_,
+                                                    opencl_parameter_size_));
 }
 
 GPUContextBuilder::GPUContextBuilder() : impl_(new GPUContextBuilder::Impl) {}
@@ -146,12 +176,24 @@ GPUContextBuilder &GPUContextBuilder::SetOpenCLBinaryPaths(
   return *this;
 }
 
+GPUContextBuilder& GPUContextBuilder::SetOpenCLBinary(
+    const unsigned char *data, const size_t size) {
+  impl_->SetOpenCLBinary(data, size);
+  return *this;
+}
+
 GPUContextBuilder &GPUContextBuilder::SetOpenCLParameterPath(
     const std::string &path) {
   impl_->SetOpenCLParameterPath(path);
   return *this;
 }
 
+GPUContextBuilder& GPUContextBuilder::SetOpenCLParameter(
+    const unsigned char *data, const size_t size) {
+  impl_->SetOpenCLParameter(data, size);
+  return *this;
+}
+
 std::shared_ptr<GPUContext> GPUContextBuilder::Finalize() {
   return impl_->Finalize();
 }

mace/public/mace.h

@@ -173,9 +173,9 @@ class MACE_API GPUContextBuilder {
   /// \param path  Make sure your program have Read/Write permission of the path
   /// \return
   GPUContextBuilder &SetStoragePath(const std::string &path);
-  /// \brief Set paths of Generated OpenCL Compiled Kernel Binary file (not libOpenCL.so)  // NOLINT(whitespace/line_length)
+  /// \brief Set paths of generated OpenCL compiled kernel binary file (not libOpenCL.so)  // NOLINT(whitespace/line_length)
   ///
-  /// if you use gpu of specific soc, Using OpenCL binary will speed up the initialization.  // NOLINT(whitespace/line_length)
+  /// If you use GPU of specific soc, using OpenCL binary will speed up the initialization.  // NOLINT(whitespace/line_length)
   /// OpenCL binary is corresponding to the OpenCL Driver version,
   /// you should update the binary when OpenCL Driver changed.
   ///
@@ -183,15 +183,38 @@ class MACE_API GPUContextBuilder {
   /// \return
   GPUContextBuilder &SetOpenCLBinaryPaths(
       const std::vector<std::string> &paths);
-  /// \brief Set the path of Generated OpenCL parameter file
+
+  /// \brief Set generated OpenCL compiled kernel binary with bytes array
+  ///
+  /// If you use GPU of specific soc, using OpenCL binary will speed up the initialization.  // NOLINT(whitespace/line_length)
+  /// OpenCL binary is corresponding to the OpenCL Driver version,
+  /// you should update the binary when OpenCL Driver changed.
+  ///
+  /// \param data Byte stream of OpenCL binary file
+  /// \param size Size of byte stream (data)
+  /// \return
+  GPUContextBuilder &SetOpenCLBinary(const unsigned char *data,
+                                     const size_t size);
+  /// \brief Set the path of generated OpenCL parameter file
   ///
-  /// If you use gpu for specific soc, The parameters is the local work group
+  /// If you use GPU for specific soc, the parameters is the local work group
   /// size tuned for specific SOC, which may be faster than the
   /// general parameters.
   ///
   /// \param path Make sure your program have Read/Write permission of the path
   /// \return
   GPUContextBuilder &SetOpenCLParameterPath(const std::string &path);
+  /// \brief Set generated OpenCL parameter with bytes array
+  ///
+  /// If you use GPU for specific soc, the parameters is the local work group
+  /// size tuned for specific SOC, which may be faster than the
+  /// general parameters.
+  ///
+  /// \param data Byte stream of OpenCL parameter file
+  /// \param size Size of byte stream (data)
+  /// \return
+  GPUContextBuilder &SetOpenCLParameter(const unsigned char *data,
+                                        const size_t size);
 
   std::shared_ptr<GPUContext> Finalize();
 

mace/python/tools/file_binary.cc.jinja2

+// Copyright 2019 Xiaomi, Inc.  All rights reserved.
+//
+// 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.
+
+// This is a generated file. DO NOT EDIT!
+
+#include <cstring>
+
+namespace mace {
+
+const unsigned char *{{ load_func_name }}() {
+{% if data_size == 0 %}
+  return nullptr;
+{% else %}
+  static const unsigned char kData[{{ data_size }}] = {
+  {% for d in data %}{{"0x%02X, " % d }}{%endfor%}
+  };
+
+  return kData;
+{% endif %}
+}
+
+size_t {{ size_func_name }}() {
+  return {{ data_size }};
+}
+
+}  // namespace mace
+

mace/python/tools/opencl_binary_codegen.py

+# Copyright 2018 Xiaomi, Inc.  All rights reserved.
+#
+# 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 argparse
+import jinja2
+import os
+import sys
+
+import numpy as np
+
+FLAGS = None
+
+
+def generate_opencl_code(binary_file_name, load_func_name, size_func_name,
+                         output_path):
+    binary_array = []
+    if os.path.exists(binary_file_name):
+        with open(binary_file_name, 'rb') as f:
+            binary_array = np.fromfile(f, dtype=np.uint8)
+
+    env = jinja2.Environment(
+        loader=jinja2.FileSystemLoader(sys.path[0]))
+    content = env.get_template('file_binary.cc.jinja2').render(
+        data=binary_array,
+        data_size=len(binary_array),
+        load_func_name=load_func_name,
+        size_func_name=size_func_name)
+
+    if os.path.isfile(output_path):
+        os.remove(output_path)
+    with open(output_path, "w") as w_file:
+        w_file.write(content)
+
+
+def parse_args():
+    """Parses command line arguments."""
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--file_name",
+        type=str,
+        default="opencl_binary.bin",
+        help="The binary file name.")
+    parser.add_argument(
+        "--output_path",
+        type=str,
+        default="",
+        help="The path of generated C++ source file which contains the binary."
+    )
+    parser.add_argument(
+        "--load_func_name",
+        type=str,
+        default="LoadData",
+        help="load interface name.")
+    parser.add_argument(
+        "--size_func_name",
+        type=str,
+        default="DataSize",
+        help="size function name.")
+    return parser.parse_known_args()
+
+
+if __name__ == '__main__':
+    FLAGS, unparsed = parse_args()
+    generate_opencl_code(FLAGS.file_name,
+                         FLAGS.interface_name,
+                         FLAGS.output_path)

mace/utils/tuner.h

@@ -14,7 +14,11 @@
 
 #ifndef MACE_UTILS_TUNER_H_
 #define MACE_UTILS_TUNER_H_
+#include <fcntl.h>
 #include <stdlib.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <unistd.h>
 
 #include <cstring>
 #include <fstream>
@@ -39,10 +43,16 @@ inline bool IsTuning() {
 template <typename param_type>
 class Tuner {
  public:
-  explicit Tuner(const std::string tuned_param_file_path = ""):
+  explicit Tuner(const std::string tuned_param_file_path = "",
+      const unsigned char *param_byte_stream = nullptr,
+      const size_t param_byte_stream_size = 0):
       tuned_param_file_path_(tuned_param_file_path) {
     path_ = getenv("MACE_RUN_PARAMETER_PATH");
-    ReadRunParamters();
+    if (param_byte_stream != nullptr && param_byte_stream_size != 0) {
+      ParseData(param_byte_stream, param_byte_stream_size);
+    } else {
+      ReadRunParamters();
+    }
   }
 
   ~Tuner() { WriteRunParameters(); }
@@ -114,32 +124,100 @@ class Tuner {
     }
   }
 
+  inline void ParseData(const unsigned char *data, size_t data_size) {
+    const size_t int_size = sizeof(int32_t);
+    const size_t param_type_size = sizeof(param_type);
+
+    size_t parsed_offset = 0;
+    int64_t num_params = 0;
+    memcpy(&num_params, data, sizeof(num_params));
+    data += sizeof(num_params);
+    parsed_offset += sizeof(num_params);
+    while (num_params--) {
+      int32_t key_size = 0;
+      memcpy(&key_size, data, int_size);
+      data += int_size;
+      std::string key(key_size, ' ');
+      memcpy(&key[0], data, key_size);
+      data += key_size;
+      parsed_offset += int_size + key_size;
+
+      int32_t params_size = 0;
+      memcpy(&params_size, data, int_size);
+      data += int_size;
+      parsed_offset += int_size;
+      int32_t params_count = params_size / param_type_size;
+      std::vector<param_type> params(params_count);
+      for (int i = 0; i < params_count; ++i) {
+        memcpy(&params[i], data, param_type_size);
+        data += param_type_size;
+        parsed_offset += param_type_size;
+      }
+      MACE_CHECK(parsed_offset <= data_size,
+                 "Parsing tuned data out of range: ",
+                 parsed_offset, " > ", data_size);
+      param_table_.emplace(key, params);
+    }
+  }
+
   inline void ReadRunParamters() {
     if (!tuned_param_file_path_.empty()) {
-      std::ifstream ifs(tuned_param_file_path_,
-                        std::ios::binary | std::ios::in);
-      if (ifs.is_open()) {
-        int64_t num_params = 0;
-        ifs.read(reinterpret_cast<char *>(&num_params), sizeof(num_params));
-        while (num_params--) {
-          int32_t key_size = 0;
-          ifs.read(reinterpret_cast<char *>(&key_size), sizeof(key_size));
-          std::string key(key_size, ' ');
-          ifs.read(&key[0], key_size);
-
-          int32_t params_size = 0;
-          ifs.read(reinterpret_cast<char *>(&params_size), sizeof(params_size));
-          int32_t params_count = params_size / sizeof(unsigned int);
-          std::vector<unsigned int> params(params_count);
-          for (int i = 0; i < params_count; ++i) {
-            ifs.read(reinterpret_cast<char *>(&params[i]),
-                     sizeof(unsigned int));
-          }
-          param_table_.emplace(key, params);
+      struct stat st;
+      if (stat(tuned_param_file_path_.c_str(), &st) == -1) {
+        if (errno == ENOENT) {
+          VLOG(1) << "File " << tuned_param_file_path_
+                  << " does not exist";
+        } else {
+          LOG(WARNING) << "Stat file " << tuned_param_file_path_
+                       << " failed, error code: " << strerror(errno);
         }
-        ifs.close();
-      } else {
-        LOG(WARNING) << "Read OpenCL tuned parameters file failed.";
+        return;
+      }
+      int fd = open(tuned_param_file_path_.c_str(), O_RDONLY);
+      if (fd < 0) {
+        if (errno == ENOENT) {
+          LOG(INFO) << "File " << tuned_param_file_path_
+                    << " does not exist";
+        } else {
+          LOG(WARNING) << "open file " << tuned_param_file_path_
+                       << " failed, error code: " << strerror(errno);
+        }
+        return;
+      }
+      size_t file_size = st.st_size;
+      unsigned char *file_data =
+          static_cast<unsigned char *>(mmap(nullptr, file_size, PROT_READ,
+                                            MAP_PRIVATE, fd, 0));
+      int res = 0;
+      if (file_data == MAP_FAILED) {
+        LOG(WARNING) << "mmap file " << tuned_param_file_path_
+                     << " failed, error code: " << strerror(errno);
+
+        res = close(fd);
+        if (res != 0) {
+          LOG(WARNING) << "close file " << tuned_param_file_path_
+                       << " failed, error code: " << strerror(errno);
+        }
+        return;
+      }
+
+      ParseData(file_data, file_size);
+      res = munmap(file_data, file_size);
+      if (res != 0) {
+        LOG(WARNING) << "munmap file " << tuned_param_file_path_
+                     << " failed, error code: " << strerror(errno);
+        res = close(fd);
+        if (res != 0) {
+          LOG(WARNING) << "close file " << tuned_param_file_path_
+                       << " failed, error code: " << strerror(errno);
+        }
+        return;
+      }
+      res = close(fd);
+      if (res != 0) {
+        LOG(WARNING) << "close file " << tuned_param_file_path_
+                     << " failed, error code: " << strerror(errno);
+        return;
       }
     } else {
       VLOG(1) << "There is no tuned parameters.";

tools/common.py

@@ -407,6 +407,7 @@ CODEGEN_BASE_DIR = 'mace/codegen'
 MODEL_CODEGEN_DIR = CODEGEN_BASE_DIR + '/models'
 ENGINE_CODEGEN_DIR = CODEGEN_BASE_DIR + '/engine'
 LIB_CODEGEN_DIR = CODEGEN_BASE_DIR + '/lib'
+OPENCL_CODEGEN_DIR = CODEGEN_BASE_DIR + '/opencl'
 LIBMACE_SO_TARGET = "//mace/libmace:libmace.so"
 LIBMACE_STATIC_TARGET = "//mace/libmace:libmace_static"
 LIBMACE_STATIC_PATH = "bazel-genfiles/mace/libmace/libmace.a"

tools/converter.py

@@ -853,7 +853,7 @@ def build_mace_run(configs, target_abi, toolchain, enable_openmp,
 
 
 def build_example(configs, target_abi, toolchain,
-                  enable_openmp, mace_lib_type):
+                  enable_openmp, mace_lib_type, cl_binary_to_code, device):
     library_name = configs[YAMLKeyword.library_name]
     hexagon_mode = get_hexagon_mode(configs)
 
@@ -862,6 +862,20 @@ def build_example(configs, target_abi, toolchain,
         sh.rm("-rf", build_tmp_binary_dir)
     os.makedirs(build_tmp_binary_dir)
 
+    if cl_binary_to_code:
+        sh_commands.gen_opencl_binary_cpps(
+            get_opencl_binary_output_path(
+                library_name, target_abi, device),
+            get_opencl_parameter_output_path(
+                library_name, target_abi, device),
+            OPENCL_CODEGEN_DIR + '/opencl_binary.cc',
+            OPENCL_CODEGEN_DIR + '/opencl_parameter.cc')
+    else:
+        sh_commands.gen_opencl_binary_cpps(
+            "", "",
+            OPENCL_CODEGEN_DIR + '/opencl_binary.cc',
+            OPENCL_CODEGEN_DIR + '/opencl_parameter.cc')
+
     symbol_hidden = True
 
     libmace_target = LIBMACE_STATIC_TARGET
@@ -942,12 +956,15 @@ def run_mace(flags):
             if target_abi in dev[YAMLKeyword.target_abis]:
                 # get toolchain
                 toolchain = infer_toolchain(target_abi)
+                device = DeviceWrapper(dev)
                 if flags.example:
                     build_example(configs,
                                   target_abi,
                                   toolchain,
                                   not flags.disable_openmp,
-                                  flags.mace_lib_type)
+                                  flags.mace_lib_type,
+                                  flags.cl_binary_to_code,
+                                  device)
                 else:
                     build_mace_run(configs,
                                    target_abi,
@@ -956,7 +973,6 @@ def run_mace(flags):
                                    flags.address_sanitizer,
                                    flags.mace_lib_type)
                 # run
-                device = DeviceWrapper(dev)
                 with device.lock():
                     device.run_specify_abi(flags, configs, target_abi)
             elif dev[YAMLKeyword.device_name] != SystemType.host:
@@ -1229,6 +1245,10 @@ def parse_args():
         type=str,
         default="",
         help="quantize stat output dir.")
+    run.add_argument(
+        "--cl_binary_to_code",
+        action="store_true",
+        help="convert OpenCL binaries to cpp.")
     benchmark = subparsers.add_parser(
         'benchmark',
         parents=[all_type_parent_parser, run_bm_parent_parser],

tools/device.py

@@ -130,7 +130,7 @@ class DeviceWrapper:
         dst_file = "%s/%s" % (dst_path, file_name)
         if os.path.exists(dst_file):
             sh.rm('-f', dst_file)
-        six.print_("Pull %s to %s" % (src_path, dst_path))
+        six.print_("Pull %s to %s" % (src_file, dst_path))
         if self.system == SystemType.android:
             sh_commands.adb_pull(
                 src_file, dst_file, self.address)
@@ -626,6 +626,11 @@ class DeviceWrapper:
                 model_output_dirs, CL_TUNED_PARAMETER_FILE_NAME,
                 opencl_parameter_bin_path
             )
+            sh_commands.gen_opencl_binary_cpps(
+                opencl_output_bin_path,
+                opencl_parameter_bin_path,
+                opencl_output_bin_path + '.cc',
+                opencl_parameter_bin_path + '.cc')
 
     def report_run_statistics(self,
                               target_abi,

tools/sh_commands.py

@@ -32,7 +32,7 @@ from common import abi_to_internal
 sys.path.insert(0, "mace/python/tools")
 try:
     from encrypt_opencl_codegen import encrypt_opencl_codegen
-    from binary_codegen import tuning_param_codegen
+    from opencl_binary_codegen import generate_opencl_code
     from generate_data import generate_input_data
     from validate import validate
     from mace_engine_factory_codegen import gen_mace_engine_factory
@@ -567,6 +567,23 @@ def gen_random_input(model_output_dir,
                     sh.cp("-f", input_file_list[i], dst_input_file)
 
 
+def gen_opencl_binary_cpps(opencl_bin_file_path,
+                           opencl_param_file_path,
+                           opencl_bin_cpp_path,
+                           opencl_param_cpp_path):
+    output_dir = os.path.dirname(opencl_bin_cpp_path)
+    if not os.path.exists(output_dir):
+        sh.mkdir("-p", output_dir)
+    opencl_bin_load_func_name = 'LoadOpenCLBinary'
+    opencl_bin_size_func_name = 'OpenCLBinarySize'
+    opencl_param_load_func_name = 'LoadOpenCLParameter'
+    opencl_param_size_func_name = 'OpenCLParameterSize'
+    generate_opencl_code(opencl_bin_file_path, opencl_bin_load_func_name,
+                         opencl_bin_size_func_name, opencl_bin_cpp_path)
+    generate_opencl_code(opencl_param_file_path, opencl_param_load_func_name,
+                         opencl_param_size_func_name, opencl_param_cpp_path)
+
+
 def update_mace_run_binary(build_tmp_binary_dir, link_dynamic=False):
     if link_dynamic:
         mace_run_filepath = build_tmp_binary_dir + "/mace_run_dynamic"