[onnx2circle] Initial version of onnx2circle (#8872)

Add utility to convert onnx networks to circle

Signed-off-by: Alexander Efimov <a.efimov@samsung.com>

diff --git a/compiler/onnx2circle/CMakeLists.txt b/compiler/onnx2circle/CMakeLists.txt
new file mode 100644 (file)
index 0000000..a0d393b
--- /dev/null
+++ b/compiler/onnx2circle/CMakeLists.txt
@@ -0,0 +1,27 @@
+# TODO Allow users to force onnx2circle build
+if(NOT TARGET mir2loco)
+  return()
+endif(NOT TARGET mir2loco)
+
+if(NOT TARGET mir_onnx_importer)
+  return()
+endif(NOT TARGET mir_onnx_importer)
+
+if(NOT TARGET exo)
+  return()
+endif(NOT TARGET exo)
+
+message(STATUS "Build onnx2circle: TRUE")
+
+set(SOURCES "src/onnx2circle.cpp")
+
+add_executable(onnx2circle ${SOURCES})
+target_link_libraries(onnx2circle PRIVATE moco_log)
+target_link_libraries(onnx2circle PRIVATE exo)
+target_link_libraries(onnx2circle PRIVATE locop)
+target_link_libraries(onnx2circle PRIVATE hermes_std)
+target_link_libraries(onnx2circle PRIVATE stdex)
+target_link_libraries(onnx2circle PRIVATE angkor cwrap)
+target_link_libraries(onnx2circle PRIVATE mir2loco)
+target_link_libraries(onnx2circle PRIVATE mir_onnx_importer)
+install(TARGETS onnx2circle DESTINATION bin)

diff --git a/compiler/onnx2circle/README.md b/compiler/onnx2circle/README.md
new file mode 100644 (file)
index 0000000..55b7387
--- /dev/null
+++ b/compiler/onnx2circle/README.md
@@ -0,0 +1,3 @@
+# onnx2circle
+
+_onnx2circle_ is a ONNX-to-Circle model converter.

diff --git a/compiler/onnx2circle/requires.cmake b/compiler/onnx2circle/requires.cmake
new file mode 100644 (file)
index 0000000..418148e
--- /dev/null
+++ b/compiler/onnx2circle/requires.cmake
@@ -0,0 +1,9 @@
+require("stdex")
+require("hermes-std")
+require("mir2loco")
+require("mir-onnx-importer")
+require("exo")
+require("locop")
+require("loco")
+require("cwrap")
+require("angkor")

diff --git a/compiler/onnx2circle/src/onnx2circle.cpp b/compiler/onnx2circle/src/onnx2circle.cpp
new file mode 100644 (file)
index 0000000..c329ed3
--- /dev/null
+++ b/compiler/onnx2circle/src/onnx2circle.cpp
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. 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.
+ */
+
+#include "exo/LoggingContext.h"
+#include "exo/CircleExporter.h"
+
+#include "mir2loco.h"
+#include "ONNXImporterImpl.h"
+
+#include "locop/FormattedGraph.h"
+
+#include "hermes/ConsoleReporter.h"
+#include "hermes/EnvConfig.h"
+
+#include "stdex/Memory.h"
+
+#include <cassert>
+
+#include <iostream>
+#include <stdexcept>
+#include <string>
+
+//
+// Logging Support
+//
+namespace
+{
+
+struct Logger final : public hermes::Source
+{
+  Logger(hermes::Context *ctx) { activate(ctx->sources(), ctx->bus()); }
+  ~Logger() { deactivate(); }
+};
+
+struct LoggingContext
+{
+  static hermes::Context *get(void)
+  {
+    using EnvConfig = hermes::EnvConfig<hermes::EnvFormat::BooleanNumber>;
+
+    static hermes::Context *ctx = nullptr;
+
+    if (ctx == nullptr)
+    {
+      ctx = new hermes::Context;
+      ctx->sinks()->append(stdex::make_unique<hermes::ConsoleReporter>());
+      ctx->config(stdex::make_unique<EnvConfig>("ONNX2CIRCLE_Log"));
+    }
+
+    return ctx;
+  }
+};
+
+void print_help()
+{
+  std::cerr << "Usage: onnx2circle <path/to/onnx> <path/to/circle/model> " << std::endl;
+}
+
+} // namespace
+
+#define LOGGER(name) \
+  ::Logger name { ::LoggingContext::get() }
+
+#define INFO(name) HERMES_INFO(name)
+
+int main(int argc, char **argv)
+{
+  using EnvConfig = hermes::EnvConfig<hermes::EnvFormat::BooleanNumber>;
+
+  // This line allows users to control all the exo-circle loggers via ONNX2CIRCLE_Log_Backend
+  exo::LoggingContext::get()->config(stdex::make_unique<EnvConfig>("ONNX2CIRCLE_Log_Backend"));
+
+  LOGGER(l);
+
+  // TODO We need better args parsing in future
+  if (!(argc == 3))
+  {
+    print_help();
+    return 255;
+  }
+
+  std::string onnx_path{argv[1]}; // .pb file
+  std::string circle_path{argv[2]};
+
+  std::cout << "Import from '" << onnx_path << "'" << std::endl;
+  auto mir_g = mir_onnx::loadModel(onnx_path);
+  auto loco_g = mir2loco::Transformer().transform(mir_g.get());
+  std::cout << "Import from '" << onnx_path << "' - Done" << std::endl;
+
+  INFO(l) << "Import Graph" << std::endl;
+  INFO(l) << locop::fmt<locop::Formatter::LinearV1>(loco_g) << std::endl;
+
+  std::cout << "Export into '" << circle_path << "'" << std::endl;
+  exo::CircleExporter(loco_g.get()).dumpToFile(circle_path.c_str());
+  std::cout << "Export into '" << circle_path << "' - Done" << std::endl;
+
+  return 0;
+}