half of getOptimum() done
half of getOptimum() done

whidbey/lzma,opalmer/lzma,linuxerwang/lzma,liule/lzma,matwachich/lzma,ScottMansfield/lzma,kjk/lzma,jasonmoo/lzma,alexaandru/lzma,allaud/lzma,lxq/lzma,hilyjiang/lzma