Thermometer For Software Project

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Thermometer For Software Project

  1. 1. Thermometer for Software Project www.devclub.eu October 2009 share your feedback: twitter with #programeter 1/42
  2. 2. … or Story of Trying to Cheat the Professor, but Getting Caught share your feedback: twitter with #programeter 2/42
  3. 3. Anton Litvinenko ● 8 years of professional software development at Mobi, MicroLink and Programeter ● MSc in computer science at Tartu University ● Key competence: software measurement and metrics ● Regular lecturer at Tartu University share your feedback: twitter with #programeter 3/42
  4. 4. Together with Mark Kofman growing a “carrot” Analytics tool for managers of software development projects share your feedback: twitter with #programeter 4/42
  5. 5. Software Project Course at TU ● Real customers ● Real software ● Skype events mashup ● Delfi “WhatsOn” – events database ● Analysis of very large graphs ● Location-based social networking ● Students' marketplace ● Totally ~50 projects over 4 years share your feedback: twitter with #programeter 5/42
  6. 6. Software Project Course ● Led and managed by ● Ivo Mägi ● Marlon Dumas ● Students expected to experience the full application development life-cycle ● Totally ~44 teams with 3-5 members share your feedback: twitter with #programeter 6/42
  7. 7. Course Manager's Problem ● Identify early ● Dysfunctional teams ● Under-performing team members ● Monitoring ● Fair grading share your feedback: twitter with #programeter 7/42
  8. 8. Programeter to the rescue! share your feedback: twitter with #programeter 8/42
  9. 9. What is a Software Metric? share your feedback: twitter with #programeter 9/42
  10. 10. A measure of any property related to software or its production share your feedback: twitter with #programeter 10/42
  11. 11. “Way of associating a number with some attribute of a physical object” share your feedback: twitter with #programeter 11/42
  12. 12. Example of a Measure: Height ● Subjective Observation: ● Anton is tall ● Another Observation: ● Anton is taller than Bill Gates share your feedback: twitter with #programeter 12/42
  13. 13. Example of a Measure: Height ● Subjective Observation: ● Anton is tall ● Another Observation: ● Anton is taller than Bill Gates ● Measurement ● Anton is 192cm ● Relation is preserved ● Bill Gates is 178cm share your feedback: twitter with #programeter 13/42
  14. 14. Intelligence Barrier share your feedback: twitter with #programeter 14/42
  15. 15. Programeter Findings ● “One man project” syndrome share your feedback: twitter with #programeter 15/42
  16. 16. One Man Project? ● Each year there are ~2 teams that complete project successfully, but only 1-2 team members participate ● Team intro → “all members are developers” ● From report of one of the developers: share your feedback: twitter with #programeter 16/42
  17. 17. Another Team :) A B C D E share your feedback: twitter with #programeter 17/42
  18. 18. Social Graph for Developers share your feedback: twitter with #programeter 18/42
  19. 19. Social Graph for Developers share your feedback: twitter with #programeter 19/42
  20. 20. Social Graph for Developers share your feedback: twitter with #programeter 20/42
  21. 21. Social Graph for Developers share your feedback: twitter with #programeter 21/42
  22. 22. Social Graph Measures ● Know-how measures for developers ● Better planning ● Code sharing measures ● Risky and core components share your feedback: twitter with #programeter 22/42
  23. 23. Programeter Findings ● “One man project” syndrome ● Developer's effort alone is not a good estimation of “utility” share your feedback: twitter with #programeter 23/42
  24. 24. Contribution Size Matters? VS share your feedback: twitter with #programeter 24/42
  25. 25. Contribution Size Matters? VS share your feedback: twitter with #programeter 25/42
  26. 26. share your feedback: twitter with #programeter 26/42
  27. 27. share your feedback: twitter with #programeter 27/42
  28. 28. share your feedback: twitter with #programeter 28/42
  29. 29. share your feedback: twitter with #programeter 29/42
  30. 30. share your feedback: twitter with #programeter 30/42
  31. 31. share your feedback: twitter with #programeter 31/42
  32. 32. Programeter Findings ● “One man project” syndrome ● Developer's effort alone is not a good estimation of “utility” ● Students “do things” just before deadlines share your feedback: twitter with #programeter 32/42
  33. 33. 01/Mar 01/Apr 01/May share your feedback: twitter with #programeter 33/42
  34. 34. Programeter Findings ● “One man project” syndrome ● Developer's effort alone is not a good estimation of “utility” ● Students “do things” just before deadlines ● Programeter can predict fate share your feedback: twitter with #programeter 34/42
  35. 35. Based only on metrics (source code team-work and contribution) we have named 6 best teams – they all end up in top 8 by grading share your feedback: twitter with #programeter 35/42
  36. 36. share your feedback: twitter with #programeter 36/42
  37. 37. DEMO share your feedback: twitter with #programeter 37/42
  38. 38. Architecture share your feedback: twitter with #programeter 38/42
  39. 39. How We Measured Revision #30848 ● Scanner at one of our customers reported SVN connection error for several days ● 55298 files and ~9M LOC ● Access to scanner only on-site with thorough security procedures ● After a day of brainstorming we had 4 alternative solutions ready ● Alternative SVN library, connection reset tolerance, persistent partial scanning, check SLA ● In the end everything worked well... but our back-end server crashed share your feedback: twitter with #programeter 39/42
  40. 40. Who Benefits Interest Customer: Project Pulse, Quality Organization Pulse, Benchmark, Executive: Team Expertise Project Pulse, Benchmark, Team Project Manager: Expertise, Productivity Quality, Benchmark, Team Technical Lead: Expertise Team Member: Benchmark, Productivity share your feedback: twitter with #programeter 40/42
  41. 41. Wanted: Super Hero! ● Search filter ● Intelligent, 10 years of experience, java, enterprise integrations, data warehousing and mining, initiative, fast, crazy ● Our offer ● Low salary, shares in Programeter, start-up experience, ambitious team ● Your chance for $1,000,000 share your feedback: twitter with #programeter 41/42
  42. 42. Thanks for your attention! share your feedback: twitter with #programeter 42/42

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