zhk2017

unlimit the number of open files, if centos system change this setting use ulimit -HSn 65535.

The MUMmer is 64 bit, at the same time compile it use "make CPPFLAGS="-O3 -DSIXTYFOURBITS"". Command is : python merge_wrapper.py -hco 5.0 -c 1.5 -l 190000 -lm 5000 method1.fa method2.fa...