[Golang][Doc] improve the samples and doc

golang/README.md

@@ -68,6 +68,8 @@ To Demonstrates sample TVM module compilation using python and deploy via golang
 
 To deploy a realtime module with lib, graph and param.
 ```bash
+python3 gen_mobilenet_lib.py
+
 ./complex
 ```
 
@@ -80,13 +82,13 @@ To demonstrate go function closure conversion to packed function handle.
 To demonstrate a packed function handle given as an argument.
 
 ```bash
-pack_func_handle_arg
+./pack_func_handle_arg
 ```
 
 To register go function with runtime as a global function.
 
 ```bash
-pack_func_register
+./pack_func_register
 ```
 
 To demonstrate function closure passed as argument to a function call.
@@ -120,5 +122,5 @@ Please refer ```docker/install/ubuntu_install_golang.sh``` for the packages depe
 go compiler 1.10 on ubuntu doesn't install on standard path, hence an explicit export may be needed as shown below.
 
 ```bash
-export PATH="/usr/lib/go-1.10/bin:$PATH"```
+export PATH="/usr/lib/go-1.10/bin:$PATH"
 ```

golang/sample/Makefile

@@ -31,4 +31,4 @@ all: $(EXECUTABLE)
 	@go tool compile -pack -o $@ $<
 
 clean:
-	@rm -f $(EXECUTABLE) *.so *.o *.a
+	@rm -f $(EXECUTABLE) *.so *.o *.a *.json *.params

golang/sample/complex.go

@@ -88,8 +88,8 @@ func main() {
     fmt.Printf("Graph runtime Created\n")
 
     // Array allocation attributes
-    tshapeIn  := []int64{1, 224, 224, 3}
-    tshapeOut := []int64{1, 1001}
+    tshapeIn  := []int64{1, 3, 224, 224}
+    tshapeOut := []int64{1, 1000}
 
     // Allocate input Array
     inX, err := gotvm.Empty(tshapeIn, "float32", gotvm.CPU(0))

golang/sample/gen_mobilenet_lib.py

@@ -0,0 +1,55 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# 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
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+import tvm
+from tvm import relay
+import tvm.relay.testing
+
+######################################################################
+# Load Neural Network in Relay
+####################################################
+
+mod, params = relay.testing.mobilenet.get_workload(batch_size=1)
+
+# set show_meta_data=True if you want to show meta data
+print(mod.astext(show_meta_data=False))
+
+######################################################################
+# Compilation
+####################################################
+
+target = 'llvm'
+
+# Build with Relay
+with relay.build_config(opt_level=0):
+    graph, lib, params = relay.build_module.build(
+        mod, target, params=params)
+
+######################################################################
+# Save and Load Compiled Module
+# -----------------------------
+# We can also save the graph, lib and parameters into files
+####################################################
+
+lib.export_library("./mobilenet.so")
+print('lib export succeefully')
+
+with open("./mobilenet.json", "w") as fo:
+   fo.write(graph)
+
+with open("./mobilenet.params", "wb") as fo:
+   fo.write(relay.save_param_dict(params))