Hi Jim, On Tue, Jan 15, 2013 at 12:51 AM, Jim Gibson <jimsgib...@gmail.com> wrote:
> > On Jan 13, 2013, at 8:22 PM, budi pearl wrote: > > > Why do you want to reduce your CPU usage? > > That may seem like a silly question (who wouldn't want to reduce their CPU > usage), but the answer to that question will affect the suggestions you > will get. Is your program taking too long to run? Is it slowing down other > programs? Are you on a shared system and the other users complaining about > your program being a CPU hog? > > "Are you on a shared system and the other users complaining about your program being a CPU hog?" Yes, this is my problem. I have no problem if my program take longer to finished as its not too critical and not time sensitive. But yes, it heavily use I/O so it alway consume proc and cpu. A side question. I slurp big files and put into hash. Does %hash = () or %hash = undef will clear up and return free memory to system? --budi
