Re: [EXTERNAL] Re: Performance issues using GAWK 3.1.6 ->from Win 2008 to Win 2016

[arnold]

Eli Zaretskii <eliz@gnu.org> wrote:

> > From: arnold@skeeve.com
> > Date: Tue, 15 Jun 2021 01:51:06 -0600
> > Cc: bug-gawk@gnu.org, Haritha.Koleti@pseg.com
> > 
> > Wolfgang Laun <wolfgang.laun@gmail.com> wrote:
> > 
> > > The durations 10 min and 90 min suggest to me that a lot of i/o is going
> > > on. I have experienced performance changes of a similar order of magnitude
> > > due to changes in the default i/o buffer size.
> > > -W
> > 
> > This is an interesting idea. Eli, what if you supply a binary built
> > with the following patch?
>
> How does this theory explain the difference between the two Windows
> versions?  They both use the same value of the "optimal" buffer size.
>
> I'd rather see in the script how much I/O it really does, and take it
> from there.  Suppose that it turns out the script invokes other
> programs a lot, or does a lot of computations: then the investigation
> should go in some other direction, right?

I'll agree with you.

So, until we can see the script, we can't go any further.

Thanks,

Arnold