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  3. November 2000

Re: RE: programmer productivity.

  • Subject: Re: RE: programmer productivity.
  • From: "Peter Dow" <pcdow@xxxxxxxxxxxxxxx>
  • Date: Fri, 10 Nov 2000 10:19:22 -0800
 
I have to say I'm not very committed to this either. Let's help the
accountants measure their productivity. Just to start things off, how about
inches of adding machine tape? We can have a conversion table to help
compare accountants to programmers:

    n lines of code = conversionfactor * inches of adding machine tape

It must be Friday...

Peter Dow
Dow Software Services, Inc.
909 425-0194 voice
909 425-0196 fax


----- Original Message -----
From: "Richard Jackson" <richardjackson@richardjackson.net>
To: <MIDRANGE-L@midrange.com>
Sent: Friday, November 10, 2000 8:39 AM
Subject: RE: RE: programmer productivity.


> Alan:
>
> I can find no end of documents to show that no other
productivity-measuring
> system offers a substantial advantage over LOC.  Note, I am not saying
that
> LOC is good only that nothing else is much better.
>
> One does not compare LOC across languages.  As you pointed out, that is a
> silly idea.
>
> Since you have attacked LOC is such an "involved" way, would you like to
> suggest a method that you believe will work better so that we may attack
> you?
>
> <bg> (I'm not very committed to this discussion)
>
> Measuring productivity is a pretty silly idea too.  If you believe that
you
> can measure productivity using a simple technique that is easy to
understand
> then you also believe that programmers perform mechanical work and that
they
> should be a commodity item.  Good luck filling programming positions.  If
> you are willing to accept that the job is complex and technical then you
> must also accept that the measurement technique will be complex (subject
to
> interpretation) and you will not understand what the programmer is doing.
> When you don't understand it, at least part of the time the measurements
> will not make sense.
>
> The OP should monitor each fix through its lifetime.  Fixes move through
> stages defined by a process model.  Status reporting identifies where each
> work order is in the process.  Allow management to understand how long
each
> stage should take and how long it actually did take.
>
> Richard Jackson
> Richard Jackson and Associates Ltd.
> IBM Business Partner
> mailto:richardjackson@richardjackson.net
> http://www.richardjacksonltd.com
> Telephone: 1 (303) 808-8058
>
>
> -|-----Original Message-----
> -|From: owner-midrange-l@midrange.com
> -|[mailto:owner-midrange-l@midrange.com]On Behalf Of alan shore
> -|Sent: Friday, November 10, 2000 10:15 AM
> -|To: MIDRANGE-L@midrange.com
> -|Subject: Re: RE: programmer productivity.
> -|
> -|
> -|I hope I understand what you are writing here, otherwise I am
> -|definitley showiwing what an idiot I am.
> -|I completely disagree. Lines of Code is probably THE worst way of
> -|charting someones performance. Granted RPG (as-of-now, anyway) is
> -|of a fixed format. But what about free-format RPG, free-format
> -|COBOL, free-format UNIX etc. etc.. One mans line of code becomes
> -|another mans 4/5 lines of code. Does this mean that programmer B
> -|is 4/5 times more productive than programmer A.
> -|The responses of go back to the bean-counters and ask what they
> -|use to measure their productivity has to be the best answer.
> -|I am curious as to what reply was received. Plus, ask them why do
> -|they want to measure a programmers productivity anyway.
> -|
> -|>>> "Richard Jackson" <richardjackson@richardjackson.net> 11/10
> -|9:04 AM >>>
> -|About 15 years ago, I spent a bunch of time looking at this
> -|problem.  I also
> -|did a presentation at Common about it.  At that time, no system of
> -|measurement produced better fidelity than lines of code (LOC).  LOC is
> -|flawed because its scope is narrow and its definition contains serious
> -|flaws.  In order to heal the definition problem, one must account for
the
> -|effect of complexity on LOC.
> -|
> -|Richard Jackson
> -|Richard Jackson and Associates Ltd.
> -|IBM Business Partner
> -|mailto:richardjackson@richardjackson.net
> -|http://www.richardjacksonltd.com
> -|Telephone: 1 (303) 808-8058
> -|
> -|
> -|-|-----Original Message-----
> -|-|From: owner-midrange-l@midrange.com
> -|-|[mailto:owner-midrange-l@midrange.com]On Behalf Of Gary R. Patterson
> -|-|Sent: Friday, November 10, 2000 2:36 AM
> -|-|To: MIDRANGE-L@midrange.com
> -|-|Subject: RE: programmer productivity.
> -|-|
> -|-|
> -|-|Lots of ways to measure programmer productivity.  A few ideas:
> -|-|
> -|-|Developers: Lines of code vs. defects in produced code.
> -|-|Developers: Performance to project timelines vs. defects.
> -|-|Developers: Performance to task estimate vs. defects.  Really needs
> -|-|standardized estimates.
> -|-|Maintenance programmers:  Number of fixes (weighted for complexity)
vs.
> -|-|defects in fixed code.
> -|-|
> -|-|Subjective measurements, too: Code review, standards
> -|compliance, peer and
> -|-|supervisor performance evaluation.
> -|-|
> -|-|Of course, you have to measure non-coding tasks, too.  Some of the
above
> -|-|metrics apply.
> -|-|
> -|-|1) Start tracking defects, and charge them to the responsible
> -|-|individual or
> -|-|team.  (Have security walk you to the car for the first week or two.)
> -|-|2) Implement detailed time reporting.  (Watch out for mail that
ticks.)
> -|-|3) Implement code reviews (good idea anyway).  Standard
> -|criteria, rotating
> -|-|responsibility.  Check for standards compliance.  (This way you
> -|-|can share a
> -|-|little of the heat with your senior staff.)
> -|-|4) Implement an estimating methodology.  (Big fun.  Nothing
> -|like a rousing
> -|-|afternoon of function-point counting.)
> -|-|5) Start tracking performance to estimate and performance to timeline.
> -|-|(Avoid food and beverages that are not prepared in your presence.)
> -|-|
> -|-|Enjoy.  Might actually even improve productivity and quality, if you
can
> -|-|manage it effectively.
> -|-|
> -|-|Gary R. Patterson
> -|-|
> -|-|
> -|-|
> -|-|-----Original Message-----
> -|-|From: owner-midrange-l@midrange.com
> -|-|[mailto:owner-midrange-l@midrange.com]On Behalf Of midrange
> -|-|Sent: Thursday, November 09, 2000 1:29 PM
> -|-|To: MIDRANGE-L@midrange.com
> -|-|Subject: Re: programmer productivity.
> -|-|
> -|-|
> -|-|I have been ask by accountants to provide them with a way to measure
our
> -|-|programmers productivity.
> -|-|
> -|-|
> -|-|I know what I think is productive. fast accurate turnaround on
projects.
> -|-|
> -|-|does anyone one else have any comments.
> -|-|
> -|-|thank you jeff grace
> -|-|
> -|-|+---
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