small performance improvement when debug log is not enabled
small performance improvement when debug log is not enabled

giantpinkwalrus/fMBT,yoonkiss/fMBT,mixu-/fMBT,giantpinkwalrus/fMBT,yoonkiss/fMBT,01org/fMBT,01org/fMBT,01org/fMBT,01org/fMBT,mixu-/fMBT,yoonkiss/fMBT,yoonkiss/fMBT,violep01/fMBT,violep01/fMBT,violep01/fMBT,giantpinkwalrus/fMBT,mixu-/fMBT,01org/fMBT,mixu-/fMBT,yoonkiss/fMBT,mixu-/fMBT,giantpinkwalrus/fMBT,violep01/fMBT,giantpinkwalrus/fMBT,violep01/fMBT