rcoder mpdotbookgmailcom hi everyone im running code containing outer inner loop fill cells 2500x1500 results matrix left program running overnight still running checked 17 hours later tested operation smaller matrix executes fine believe nothing wrong code wondering normal program execution speed operation p4 2gb ram thanks rcoder view message context httpwwwnabblecomlongruntimeforloopoperationmatrixfilltp18876372p18876372html sent r help mailing list archive nabblecom ______________________________________________ rhelprprojectorg mailing list httpsstatethzchmailmanlistinforhelp please read posting guide httpwwwrprojectorgpostingguidehtml provide commented minimal selfcontained reproducible code thu 07 aug 2008 110623 0700 r long run time loop operation matrix fill