modify benchmark.sh test=develop (#1871)

lite/tools/benchmark.sh

 #!/bin/bash
 set -e
 
-if [ $# -lt  2 ];
+if [ $# -lt  3 ];
 then
     echo "Input error"
     echo "USAGE:"
-    echo "  sh benchmark.sh benchmark_bin_path benchmark_models_path"
-    echo "  sh benchmark.sh benchmark_bin_path benchmark_models_path is_run_model_optimize"
+    echo "  sh benchmark.sh benchmark_bin_path benchmark_models_path result_filename"
+    echo "  sh benchmark.sh benchmark_bin_path benchmark_models_path result_filename is_run_model_optimize"
     exit
 fi
 
 ANDROID_DIR=/data/local/tmp
-RESULT_FILENAME="result.txt"
 WARMUP=10
 REPEATS=30
 BENCHMARK_BIN=$1
 MODELS_DIR=$2
+RESULT_FILENAME=$3
 IS_RUN_MODEL_OPTIMIZE=false
-if [ $# -gt  2 ];
+if [ $# -gt  3 ];
 then
-	IS_RUN_MODEL_OPTIMIZE=$3
+    IS_RUN_MODEL_OPTIMIZE=$4
 fi
 
 adb push $BENCHMARK_BIN $ANDROID_DIR/benchmark_bin
@@ -32,9 +32,12 @@ do
 adb shell "echo Threads=$threads Warmup=$WARMUP Repeats=$REPEATS  >>  $ANDROID_DIR/$RESULT_FILENAME"
 for model_name in `ls $MODELS_DIR`
 do
-  echo $model_name
+  echo "Model=$model_name Threads=$threads"
   adb shell "$ANDROID_DIR/benchmark_bin --model_dir=$ANDROID_DIR/${MODELS_DIR##*/}/$model_name --warmup=$WARMUP --repeats=$REPEATS --threads=$threads --result_filename=$ANDROID_DIR/$RESULT_FILENAME --run_model_optimize=$IS_RUN_MODEL_OPTIMIZE"
 done
 adb shell "echo  >>  $ANDROID_DIR/$RESULT_FILENAME"
 done
 adb pull $ANDROID_DIR/$RESULT_FILENAME .
+echo "\n--------------------------------------"
+cat $RESULT_FILENAME
+echo "--------------------------------------"