humane assessment with moose - inria · assessment with moose humane wednesday, august 24, 2011.org...

Stéphane DucasseclearVue

INRIA

assessmentwith Moose

humane

Wednesday, August 24, 2011

http://www.tudorgirba.comhttp://www.tudorgirba.comhttp://www.tudorgirba.comhttp://www.tudorgirba.comhttp://www.tudorgirba.comhttp://www.tudorgirba.com

moosetechnology.o

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humane-assesm

ent.com


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feedback is key


feedback is key

contextualcontinuous


= complex, large}{ }{ }{ }{} {


= 250’000 lines of code



* 2

= 500’000 seconds



* 2

= 500’000 seconds

/ 3600 ~ 140 hours



* 2

= 500’000 seconds

/ 3600 ~ 140 hours

/ 8 ~ 18 days



* 2

= 500’000 seconds

/ 3600 ~ 140 hours

/ 8 ~ 18 days

/ 20 ~ 1 month


Maintenance is continuous Development

Between 50% and 80% of global effort is spent on

“maintenance” !

18% Corrective(fixing reported errors)

18% Adaptive (new platforms)

60% Perfective(new functionality)

4% Other

80%

20%

60%18%

18%4%

“Maintenance”


Software is like geranium...

when dead, it does not bloom!Wednesday, August 24, 2011

Software is a living entity...

Early decisions were certainly good at that time

But the context changes

Customers change

Technology changes

People change


forward engineering

actual development}

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assessment

what is the current situation?what can we do about it?


Current practices


50% of maintenance is spent reading code!

Between 50% and 80% of global effort is spent on

“maintenance” !

80%

20%

We spend a lot of money at the wrong placewith the wrong tools!

40%

20%40%


Current practices


tailoredmanual automatic

generic


We need dedicated tools to help us!

We need customable tools to control and give

feedback


hypothesize applyanalysis

interpretconfident?

actactWednesday, August 24, 2011

hypothesizeexistinganalysis?

applyanalysis

interpretconfident?



craftanalysis

applyanalysis

interpretconfident?



craftanalysis

applyanalysis

interpretconfident?

actWednesday, August 24, 2011


craftanalysis

applyanalysis

interpretconfident?

act

assessmenthumane


An example: who is really behind that package?

(1) Extraction

(2) Modèle

(4) Visualisation

(3) Analyses


(2) Define a model for code ownership

(1) Extraction

(2) Modèle

(4) Visualisation

(3) Analyses


(3) Use adequate Map


Distribution Mapshows propertiesover structure

Ducasse et al 2006

(1) Extraction

(2) Modèle

(4) Visualisation

(3) Analyses


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McCabe = 21

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What is this made of?Wednesday, August 24, 2011

package 1

package 2

...

Class A

Class B

...

method M

method N

...

source code


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assessment

what is the current situation?what can we do about it?


Handling Moose

5 days to get up to speed

21 days to get proficient


Software engineers that extended Moose

Delphi/Java programmerscustomized modelsextended meta modelsdefined specific rules

Smalltalk programmers new tools to support code integration


Moose supports Your definition of quality/risk

Example(1) Getting bug maps(2) What info to collect?(3) How to present it?


Moose gives you the opportunity to control your process.


identifyconcern


identifyconcern

createrule


identifyconcern

createrule

discussresults


identifyconcern

agree?

createrule

discussresults


identifyconcern

agree?

createrule

discussresults

smalltask?


identifyconcern

agree?

createrule

discussresults

smalltask?

solvenow


identifyconcern

agree?

createrule

discussresults

smalltask?

solvenow

planlater


identifyconcern

agree?

createrule

discussresults

smalltask?

solvenow

planlater

assessmentdaily


continuou

s assessm

ent


http://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.orghttp://moosetechnology.org

feedback is key

specific feedback is betterWednesday, August 24, 2011

assessment must be tailored

explicit

trained

humane


Tudor Gîrbawww.tudorgirba.com

creativecommons.org/licenses/by/3.0/

Stéphane Ducassestephane.ducasse.free.fr

http://www.tudorgirba.comhttp://www.tudorgirba.comhttp://creativecommons.org/licenses/by/3.0/http://creativecommons.org/licenses/by/3.0/http://www.tudorgirba.comhttp://www.tudorgirba.com

humane assessment with moose - inria · assessment with moose humane wednesday, august 24, 2011.org...

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