[mpich-discuss] mpe clog2 file size questions

[Ju JiaJia]

Thx for reply.
yeah, jumpshot will convert clog to a smaller slog file. but large file has
too much overhead to app performance.
Can you anwer the question: "Does it normal of the logfile size? why does
the file size vary so much?"

On Wed, May 2, 2012 at 11:35 AM, Anthony Chan <chan at mcs.anl.gov> wrote:

>
> Why don't you convert them into slog2 files and view them with jumpshot
> to see how they are different.
>
> A.Chan
>
> ----- Original Message -----
> > Hi all:
> > I try to use mpe in HPL benchmark with compile option -mpe=mpilog.
> > When i run with 4 processes, it generate a clog2 file about 200M. And
> > the
> > file size varies when i run it twice. Does it normal of the logfile
> > size? I
> > mean it's too big. I ever used IPM of which the log file is fairly
> > small.
> > And why does the file size vary so much?
> >
> > Below is the log file size:
> >
> > -rw-rw-r-- 1 jujj jujj 197068180 2012-05-02 09:15 old.xhpl.clog2 //
> > first
> > run
> > -rw-rw-r-- 1 jujj jujj 16254356 2012-05-02 09:16 xhpl.clog2 // second
> > run，only one-tenth of the first one
> >
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