Minor bug fix in Lenet autotuner script

llvm/test/VISC/DNN_Benchmarks/benchmarks/lenet/bin/approximate.py

@@ -8,7 +8,7 @@ import subprocess
 # Configuration variables - change for each benchmark
 bench_build_dir = os.environ["LLVM_SRC_ROOT"] + "/test/VISC/DNN_Benchmarks/benchmarks/lenet/build/"
 visc_file_name = "lenet.visc.ll" 
-num_tests = 300
+num_tests = 10
 threshold_accuracy = 98.0
 binary_name = "./lenet_tune"
 result_dir = "./opentuner_test_result"
@@ -39,9 +39,8 @@ def run_autotuner():
 
     print autotuner_cmd
     
-    process = subprocess.call(autotuner_cmd, shell=True)
-    process.wait()
-
+    subprocess.call(autotuner_cmd, shell=True)
+    
 
 def add_approx_info():
 
@@ -64,6 +63,6 @@ def add_approx_info():
 if __name__ == "__main__":
 
     #build_binaries()
-    #run_autotuner()
+    run_autotuner()
     add_approx_info()