add train demo to paddle_build.sh (#19885)

* add train demo to paddle_build.sh

test=develop
test=document_preview

* code cleaning

* test=develop

test=develop

* remove program desc files

test=develop

* add test_train to CI

test=develop
test=document_preview

* make run.sh excutable

test=develop
test=document_preview

* switch with_mkl to off

test=develop
test=document_preview

* switch with_mkl to off

test=develop

* switch with_mkl to on

test=develop

* move test_fluid_lib_train to ci_py35

test=develop

* fix bugs of MKLDNN building

* rm build_train_lib(), test=develop

* restore tensor.h, test=develop

paddle/fluid/train/demo/CMakeLists.txt

@@ -30,6 +30,7 @@ link_directories("${PADDLE_LIB}/third_party/install/zlib/lib")
 add_executable(demo_trainer demo_trainer.cc)
 
 if(WITH_MKLDNN)
+  add_definitions(-DPADDLE_WITH_MKLDNN)
   include_directories("${PADDLE_LIB}/third_party/install/mkldnn/include")
   if(WIN32)
     set(MKLDNN_LIB ${PADDLE_LIB}/third_party/install/mkldnn/lib/mkldnn.lib)

paddle/fluid/train/demo/clean.sh

@@ -0,0 +1,4 @@
+set -x
+cd `dirname $0`
+rm -rf build/
+set +x

paddle/fluid/train/demo/run.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+set -x
+
+PADDLE_ROOT=$1
+TURN_ON_MKL=$2 # use MKL or Openblas
+
+# download models
+function download() {
+    wget -q http://paddle-tar.bj.bcebos.com/train_demo/LR/main_program
+    wget -q http://paddle-tar.bj.bcebos.com/train_demo/LR/startup_program
+}
+
+download
+
+# build demo trainer
+fluid_install_dir=${PADDLE_ROOT}/build/fluid_install_dir
+
+mkdir -p build
+cd build
+rm -rf *
+cmake .. -DPADDLE_LIB=$fluid_install_dir \
+         -DWITH_MKLDNN=$TURN_ON_MKL \
+         -DWITH_MKL=$TURN_ON_MKL
+make
+
+cd ..
+
+# run demo trainer
+build/demo_trainer

paddle/scripts/paddle_build.sh

@@ -296,7 +296,6 @@ function build_base() {
     make install -j ${parallel_number}
 }
 
-
 function build() {
     mkdir -p ${PADDLE_ROOT}/build
     cd ${PADDLE_ROOT}/build
@@ -952,6 +951,16 @@ EOF
     ./clean.sh
 }
 
+function test_fluid_lib_train() {
+    cat <<EOF
+    ========================================
+    Testing fluid library for training ...
+    ========================================
+EOF
+    cd ${PADDLE_ROOT}/paddle/fluid/train/demo
+    ./run.sh ${PADDLE_ROOT} ${WITH_MKL:-ON}
+    ./clean.sh
+}
 
 function build_document_preview() {
     sh /paddle/tools/document_preview.sh ${PORT}
@@ -1045,6 +1054,11 @@ function main() {
       test_inference)
         gen_fluid_lib ${parallel_number}
         test_fluid_lib
+        test_fluid_lib_train
+        ;;
+      test_train)
+        gen_fluid_lib ${parallel_number}
+        test_fluid_lib_train
         ;;
       assert_api_approvals)
         assert_api_spec_approvals