[DEPRECATION] Remove NNVM compiler

CMakeLists.txt

@@ -118,9 +118,8 @@ else(MSVC)
 endif(MSVC)
 
 # add source group
-FILE(GLOB_RECURSE GROUP_SOURCE "src/*.cc" "nnvm/src/*.cc")
-FILE(GLOB_RECURSE GROUP_INCLUDE "src/*.h" "include/*.h"
-                                "nnvm/src/*.h" "nnvm/include/*.h")
+FILE(GLOB_RECURSE GROUP_SOURCE "src/*.cc")
+FILE(GLOB_RECURSE GROUP_INCLUDE "src/*.h" "include/*.h")
 assign_source_group("Source" ${GROUP_SOURCE})
 assign_source_group("Include" ${GROUP_INCLUDE})
 
@@ -174,13 +173,6 @@ if(NOT MSVC)
   list(APPEND COMPILER_SRCS ${COMPILER_VERILOG_SRCS})
 endif()
 
-file(GLOB_RECURSE NNVM_COMPILER_SRCS
-    nnvm/src/c_api/*.cc
-    nnvm/src/core/*.cc
-    nnvm/src/pass/*.cc
-    nnvm/src/compiler/*.cc
-    nnvm/src/top/*.cc
-    )
 
 file(GLOB TOPI_SRCS
     topi/src/*.cc
@@ -294,7 +286,6 @@ if(NOT USE_SGX STREQUAL "OFF")
   add_dependencies(tvm_runtime sgx_edl tvm_t)
   install(TARGETS tvm_t ARCHIVE DESTINATION lib${LIB_SUFFIX})
 endif()
-add_library(nnvm_compiler SHARED ${NNVM_COMPILER_SRCS})
 
 if(USE_THREADS)
   message(STATUS "Build with thread support...")
@@ -304,13 +295,11 @@ if(USE_THREADS)
   target_link_libraries(tvm Threads::Threads)
   target_link_libraries(tvm_topi Threads::Threads)
   target_link_libraries(tvm_runtime Threads::Threads)
-  target_link_libraries(nnvm_compiler Threads::Threads)
 endif(USE_THREADS)
 
 target_link_libraries(tvm ${TVM_LINKER_LIBS} ${TVM_RUNTIME_LINKER_LIBS})
 target_link_libraries(tvm_topi tvm ${TVM_LINKER_LIBS} ${TVM_RUNTIME_LINKER_LIBS})
 target_link_libraries(tvm_runtime ${TVM_RUNTIME_LINKER_LIBS})
-target_link_libraries(nnvm_compiler tvm)
 
 if (HIDE_PRIVATE_SYMBOLS AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
   set(HIDE_SYMBOLS_LINKER_FLAGS "-Wl,--exclude-libs,ALL")
@@ -320,7 +309,6 @@ if (HIDE_PRIVATE_SYMBOLS AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
   target_link_libraries(tvm ${HIDE_SYMBOLS_LINKER_FLAGS})
   target_link_libraries(tvm_topi ${HIDE_SYMBOLS_LINKER_FLAGS})
   target_link_libraries(tvm_runtime ${HIDE_SYMBOLS_LINKER_FLAGS})
-  target_link_libraries(nnvm_compiler ${HIDE_SYMBOLS_LINKER_FLAGS})
 endif()
 
 # Related headers
@@ -330,10 +318,7 @@ target_include_directories(
 target_include_directories(
   tvm_topi
   PUBLIC "topi/include")
-target_include_directories(
-  nnvm_compiler
-  PUBLIC "nnvm/include"
-  PUBLIC "topi/include")
+
 
 # Tests
 set(TEST_EXECS "")
@@ -372,7 +357,6 @@ add_custom_target(runtime DEPENDS tvm_runtime)
 install(TARGETS tvm DESTINATION lib${LIB_SUFFIX})
 install(TARGETS tvm_topi DESTINATION lib${LIB_SUFFIX})
 install(TARGETS tvm_runtime DESTINATION lib${LIB_SUFFIX})
-install(TARGETS nnvm_compiler DESTINATION lib${LIB_SUFFIX})
 
 if (INSTALL_DEV)
   install(
@@ -395,11 +379,6 @@ if (INSTALL_DEV)
     FILES_MATCHING
     PATTERN "*.h"
     )
-  install(
-    DIRECTORY "nnvm/include/." DESTINATION "include"
-    FILES_MATCHING
-    PATTERN "*.h"
-    )
 else(INSTALL_DEV)
   install(
     DIRECTORY "include/tvm/runtime/." DESTINATION "include/tvm/runtime"
@@ -412,5 +391,4 @@ endif(INSTALL_DEV)
 if(MSVC)
   target_compile_definitions(tvm PRIVATE -DTVM_EXPORTS)
   target_compile_definitions(tvm_runtime PRIVATE -DTVM_EXPORTS)
-  target_compile_definitions(nnvm_compiler PRIVATE -DNNVM_EXPORTS)
 endif()

Makefile

@@ -69,14 +69,12 @@ build/libtvm_web_runtime.js: build/libtvm_web_runtime.bc
 cpplint:
 	python3 3rdparty/dmlc-core/scripts/lint.py vta cpp vta/include vta/src
 	python3 3rdparty/dmlc-core/scripts/lint.py topi cpp topi/include;
-	python3 3rdparty/dmlc-core/scripts/lint.py nnvm cpp nnvm/include nnvm/src;
 	python3 3rdparty/dmlc-core/scripts/lint.py tvm cpp include src \
 	 examples/extension/src examples/graph_executor/src
 
 pylint:
 	python3 -m pylint python/tvm --rcfile=$(ROOTDIR)/tests/lint/pylintrc
 	python3 -m pylint topi/python/topi --rcfile=$(ROOTDIR)/tests/lint/pylintrc
-	python3 -m pylint nnvm/python/nnvm --rcfile=$(ROOTDIR)/tests/lint/pylintrc
 	python3 -m pylint vta/python/vta --rcfile=$(ROOTDIR)/tests/lint/pylintrc
 
 jnilint:

conda/tvm/build.sh

@@ -6,9 +6,9 @@
 # to you under the Apache License, Version 2.0 (the
 # "License"); you may not use this file except in compliance
 # with the License.  You may obtain a copy of the License at
-# 
+#
 #   http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
 # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@@ -26,7 +26,3 @@ cd ..
 cd topi/python
 $PYTHON setup.py install --single-version-externally-managed --record=/tmp/record.txt
 cd ../..
-
-cd nnvm/python
-$PYTHON setup.py install --single-version-externally-managed --record=/tmp/record.txt
-cd ../..

conda/tvm/meta.yaml

@@ -48,7 +48,6 @@ test:
   imports:
     - tvm
     - topi
-    - nnvm
   requires:
     - pytest
     - scipy

docker/Dockerfile.demo_android

@@ -70,5 +70,5 @@ RUN cd /usr && \
     make -j10
 
 # Environment variables
-ENV PYTHONPATH=/usr/tvm/python:/usr/tvm/topi/python:/usr/tvm/nnvm/python/:/usr/tvm/vta/python:${PYTHONPATH}
+ENV PYTHONPATH=/usr/tvm/python:/usr/tvm/topi/python:/usr/tvm/vta/python:${PYTHONPATH}
 ENV ANDROID_HOME=/opt/android-sdk-linux/

docker/Dockerfile.demo_cpu

@@ -30,4 +30,4 @@ COPY install/install_tvm_cpu.sh /install/install_tvm_cpu.sh
 RUN bash /install/install_tvm_cpu.sh
 
 # Environment variables
-ENV PYTHONPATH=/usr/tvm/python:/usr/tvm/topi/python:/usr/tvm/nnvm/python/:/usr/tvm/vta/python:${PYTHONPATH}
+ENV PYTHONPATH=/usr/tvm/python:/usr/tvm/topi/python:/usr/tvm/vta/python:${PYTHONPATH}

docker/Dockerfile.demo_gpu

@@ -28,7 +28,7 @@ COPY install/install_tvm_gpu.sh /install/install_tvm_gpu.sh
 RUN bash /install/install_tvm_gpu.sh
 
 # Environment variables
-ENV PYTHONPATH=/usr/tvm/python:/usr/tvm/topi/python:/usr/tvm/nnvm/python/:/usr/tvm/vta/python:${PYTHONPATH}
+ENV PYTHONPATH=/usr/tvm/python:/usr/tvm/topi/python:/usr/tvm/vta/python:${PYTHONPATH}
 ENV PATH=/usr/local/nvidia/bin:${PATH}
 ENV PATH=/usr/local/cuda/bin:${PATH}
 ENV LD_LIBRARY_PATH=/usr/local/cuda/lib64:/usr/local/nvidia/lib64:${LD_LIBRARY_PATH}

docker/Dockerfile.demo_opencl

@@ -76,7 +76,6 @@ RUN mkdir -p ${TVM_BUILD_DIR} && \
 	make -j6
 
 RUN echo "Building Python package"
-ENV PYTHONPATH=${TVM_HOME}/python:${TVM_HOME}/topi/python:${TVM_HOME}/nnvm/python:${PYTHONPATH}
+ENV PYTHONPATH=${TVM_HOME}/python:${TVM_HOME}/topi/python:${PYTHONPATH}
 RUN cd ${TVM_HOME}/python && python3 setup.py install --user
 RUN cd ${TVM_HOME}/topi/python && python3 setup.py install --user
-RUN cd ${TVM_HOME}/nnvm/python && python3 setup.py install --user

jvm/core/src/main/java/org/apache/tvm/contrib/GraphRuntime.java

@@ -32,7 +32,7 @@
 public class GraphRuntime {
   /**
    * Create a runtime executor module given a graph and module.
-   * @param graphJson The graph deployed in json format output by nnvm graph.
+   * @param graphJson The graph deployed in json format output by compiler.
    * @param libmod The module of the corresponding function.
    * @param ctx The local or remote context to deploy the module.
    * @return Runtime graph module that can be used to execute the graph.

nnvm/Makefile

@@ -30,7 +30,6 @@ TVMPATH = ..
 
 export LDFLAGS = -pthread -lm
 export CFLAGS = -std=c++11 -Wall -O2 -Iinclude -fPIC
-CFLAGS += -I$(TVMPATH)/include -I$(TVMPATH)/3rdparty/dlpack/include -I$(TVMPATH)/3rdparty/HalideIR/src -I$(TVMPATH)/topi/include
 
 ifdef DMLC_CORE_PATH
   CFLAGS += -I$(DMLC_CORE_PATH)/include
@@ -66,7 +65,7 @@ else
 	NO_WHOLE_ARCH= --no-whole-archive
 endif
 
-all: lib/libnnvm.a lib/libnnvm_compiler.$(SHARED_LIBRARY_SUFFIX)
+all: lib/libnnvm.a lib/libnnvm.$(SHARED_LIBRARY_SUFFIX)
 
 SRC = $(wildcard src/*.cc src/c_api/*.cc src/core/*.cc src/pass/*.cc)
 SRC_COMPILER = $(wildcard src/top/*/*.cc wildcard src/top/vision/*/*.cc src/compiler/*.cc src/compiler/*/*.cc)
@@ -87,7 +86,7 @@ lib/libnnvm.a: $(ALL_DEP)
 	@mkdir -p $(@D)
 	$(AR) crv $@ $(filter %.o, $?)
 
-lib/libnnvm_compiler.$(SHARED_LIBRARY_SUFFIX): lib/libnnvm.a ${TOP_OBJ}
+lib/libnnvm.$(SHARED_LIBRARY_SUFFIX): lib/libnnvm.a ${TOP_OBJ}
 	@mkdir -p $(@D)
 	$(CXX) $(CFLAGS) -shared -o $@ $(filter %.o, $^) $(LDFLAGS) -Wl,${WHOLE_ARCH} lib/libnnvm.a -Wl,${NO_WHOLE_ARCH}
 

nnvm/README.md

@@ -15,38 +15,8 @@
 <!--- specific language governing permissions and limitations -->
 <!--- under the License. -->
 
-# NNVM Compiler Module of TVM Stack
+# NNVM
 
-```python
-import tvm
-from tvm.contrib import graph_runtime, rpc
-import nnvm.frontend
-import nnvm.compiler
-
-# GET model from frameworks
-# change xyz to supported framework name.
-graph, params = nnvm.frontend.from_xyz(...)
-
-# OPTIMIZE and COMPILE the graph to get a deployable module
-# target can be "opencl", "llvm", "metal" or any target supported by tvm
-target = "cuda"
-graph, lib, params = nnvm.compiler.build(graph, target, {"data", data_shape}, params=params)
-
-# DEPLOY and run on gpu(0)
-module = graph_runtime.create(graph, lib, tvm.gpu(0))
-module.set_input(**params)
-module.run(data=data_array)
-output = tvm.nd.empty(out_shape, ctx=tvm.gpu(0))
-module.get_output(0, output)
-
-# DEPLOY to REMOTE mobile/rasp/browser with minimum tvm rpc runtime
-# useful for quick experiments on mobile devices
-remote = rpc.connect(remote_host, remote_port)
-lib.export_library("mylib.so")
-remote.upload("mylib.so")
-rlib = rpc.load_module("mylib.so")
-# run on remote device
-rmodule = graph_runtime.create(graph, rlib, remote.gpu(0))
-rmodule.set_input(**params)
-rmodule.run()
-```
+NNVM is a graph level IR for neural networks.
+We are moving towards Relay IR, a better unified IR that support wider range of programs.
+Please use relay instead.

nnvm/include/nnvm/base.h

@@ -6,9 +6,9 @@
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
- * 
+ *
  *   http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@@ -46,6 +46,24 @@ using dmlc::get;
 /*!\brief "unsafe" getter function of any type */
 using dmlc::unsafe_get;
 
+enum TypeFlag {
+  kFloat32 = 0,
+  kFloat64 = 1,
+  kFloat16 = 2,
+  kUint8 = 3,
+  kInt32 = 4,
+  kInt8  = 5,
+  kInt64 = 6,
+  // kBool = 7,
+  // 7 is reserved for kBool, in order to keep consistency with MXNet TypeFlag defined in
+  // https://github.com/apache/incubator-mxnet/blob/master/3rdparty/mshadow/mshadow/base.h#L314
+  kInt16 = 8,
+  kUint16 = 9,
+  kUint32 = 10,
+  kUint64 = 11,
+  kBfloat16 = 12,
+};
+
 }  // namespace nnvm
 
 // describe op registration point