RE: Compiled version of awk program

[pjfarley3]

http://awka.sourceforge.net/index.html

Also a github fork and enhanced version of Awka:

https://github.com/noyesno/awka

HTH

Peter

> -----Original Message-----
> From: bug-gawk <bug-gawk-bounces+pjfarley3=earthlink.net@gnu.org> On
> Behalf Of Peng Yu
> Sent: Wednesday, June 30, 2021 8:07 AM
> To: Wolfgang Laun <wolfgang.laun@gmail.com>
> Cc: bug-gawk <bug-gawk@gnu.org>
> Subject: Re: Compiled version of awk program
> 
> On Wed, Jun 30, 2021 at 5:20 AM Wolfgang Laun <wolfgang.laun@gmail.com>
> wrote:
> 
> > What factor would you consider as sufficient for a speed improvement?
> >
> 
> Any improvement is acceptable as long as the improvement is automatic,
> although the faster the better.
> 
> On what do you base your surmise that a translation to C will improve the
> > overall speed of this awk program by this factor?
> >
> 
> Cut is much faster than an equivalent awk program.
> 
> What makes you certain that there is no algorithm that can be improved?
> >
> 
> This is not relevant question. I am asking for a free improvement. Any changes
> to the algorithm would not be automatically done.
> 
> >
> > -W
> >
> >
> > On Wed, 30 Jun 2021 at 11:55, Peng Yu <pengyu.ut@gmail.com> wrote:
> >
> >> I have already done profiling and found an awk program to be a bottleneck.
> >>
> >> I also tried the —profile option to make sure there is nothing in the
> >> awk program to be improved.
> >>
> >> Although it is slow, it would not be worthwhile to manually translate
> >> awk code to C as the C code would be too complicated and hard to maintain.
> >>
> >> Therefore, I am looking for an automatic way to speed up an awk program.
> >>
> >> On Wed, Jun 30, 2021 at 2:40 AM Bob Proulx <bob@proulx.com> wrote:
> >>
> >> > Peng Yu wrote:
> >> > > I am trying to speed up awk programs. But I don't find a working
> >> > solution.
> >> > >
> >> > > I see this program which compiles awk code into C. But I don't
> >> > > know where its source package is.
> >> > >
> >> > > https://www.mkssoftware.com/docs/man1/awkc.1.asp
> >> >
> >> > MKS Software, now PTC MKS, is as far as I know proprietary software.
> >> > I could not find a clear license statement after a search of their
> >> > site.  MKS has been around a long time.  There is no source available.
> >> > Although at one time I recall MKS offering a source license.  But
> >> > it is definitely not Free Software.
> >> >
> >> > > Does anybody know what is the current way to speed up awk programs?
> >> >
> >> > Generally programs may be speeded up by using better algorithms.
> >> > Almost invariably improved algorithms result in the best performance.
> >> >
> >> > Before optimizing a program for performance it is necessary to
> >> > profile the program to understand where the time is being spent.
> >> > Benchmark and profile to obtain data before any attempt at optimization.
> >> > "Premature optimization is the root of all evil." --Tony Hoare.
> >> >
> >> > https://www.gnu.org/software/gawk/manual/html_node/Profiling.html
> >> >
> >> > AWK is an interpreted language.  Interpreted programs intrinsically
> >> > have some level of program overhead.  If you think you have the
> >> > best performing algorithms then one might convert to a compiled
> >> > language such as C, Rust, Go-lang, or other efficient compiled
> >> > programming language.
> >> >
> >> > Bob
> >> >
> >> > --
> >> Regards,
> >> Peng
> >>
> >
> >
> > --
> > Wolfgang Laun
> >
> > --
> Regards,
> Peng