Re: [CentOS] fast processing and buffering

2011-03-03 Thread Michael D. Berger
On Wed, 02 Mar 2011 22:24:00 -0800, Charles Polisher wrote: > Kwan Lowe wrote: [...] > > You might explore what vmstat says about disk activity during an initial > vs follow-on run. Also, I wonder what "top" shows in the WCHAN and nFLT > columns. The problem is OBE since I added some real proce

Re: [CentOS] fast processing and buffering

2011-03-02 Thread Charles Polisher
Kwan Lowe wrote: > Michael D. Berger > > I have a C++ program that opens, gets a little data from, and closes > > about 5000 files.  Now if I run the program when I first boot up, > > the running time is from about 10 seconds to a minute.  Subsequently, > > the program runs in well inter one second

Re: [CentOS] fast processing and buffering

2011-03-02 Thread Kwan Lowe
On Wed, Mar 2, 2011 at 10:59 AM, Michael D. Berger wrote: > I have a C++ program that opens, gets a little data from, and closes > about 5000 files.  Now if I run the program when I first boot up, > the running time is from about 10 seconds to a minute.  Subsequently, > the program runs in well in