improve configuration according to Grace's suggestion
improve configuration according to Grace's suggestion

nsabharwal/HiBench,arijitt/HiBench,yhli365/HiBench,Acidburn0zzz/HiBench,qiansl127/HiBench,bit1129/HiBench,sanjeevtripurari/HiBench,Acidburn0zzz/HiBench,GayathriMurali/HiBench,qiansl127/HiBench,ConeyLiu/HiBench,IMCG/HiBench,IMCG/HiBench,nareshgundla/HiBench,nsabharwal/HiBench,bit1129/HiBench,yhli365/HiBench,maismail/HiBench,arijitt/HiBench,eriknor/HiBench,eriknor/HiBench,IMCG/HiBench,ConeyLiu/HiBench,samklr/HiBench,nareshgundla/HiBench,lvsoft/HiBench,cemsbr/HiBench,nareshgundla/HiBench,samklr/HiBench,eriknor/HiBench,nareshgundla/HiBench,samklr/HiBench,nsabharwal/HiBench,cemsbr/HiBench,IMCG/HiBench,bit1129/HiBench,yhli365/HiBench,GayathriMurali/HiBench,qiansl127/HiBench,ConeyLiu/HiBench,sanjeevtripurari/HiBench,maismail/HiBench,samklr/HiBench,ConeyLiu/HiBench,sanjeevtripurari/HiBench,eriknor/HiBench,Acidburn0zzz/HiBench,bit1129/HiBench,maismail/HiBench,sanjeevtripurari/HiBench,lvsoft/HiBench,lvsoft/HiBench,arijitt/HiBench,Acidburn0zzz/HiBench,yhli365/HiBench,lvsoft/HiBench,GayathriMurali/HiBench,maismail/HiBench,cemsbr/HiBench,cemsbr/HiBench,GayathriMurali/HiBench,nsabharwal/HiBench,arijitt/HiBench,qiansl127/HiBench