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Iwsm2014 empirical-based extension of the cosmic method (reiner dumke - robert neumann - andreas schmietendorf - cornelius wille)

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Software

Published on October 9, 2014

Author: COSMIC-FSM

Source: slideshare.net

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IWSM Presentation
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1. Reiner R. Dumke, University of Magdeburg Empirical-Based Extension of theEmpirical-Based Extension of the COSMIC FP MethodCOSMIC FP Method Reiner R. Dumke Robert Neumann Andreas Schmietendorf Cornelius Wille Otto-von-Guericke Universität Magdeburg reiner.dumke@ovgu.de Ultra Tendency Magdeburg robert.neumann@ ultratendency.com University of Applied Science (HWR) Berlin schmietendorf@hwr-berlin.de University of Applied Science (FH) Bingen wille@fh-bingen.de

2. Reiner R. Dumke, University of Magdeburg AgendaAgenda 1. Introduction to COSMIC FP Method1. Introduction to COSMIC FP Method 4. COSMIC Process Extension: CPP4. COSMIC Process Extension: CPP 2. Empirical Aspects2. Empirical Aspects 3. COSMIC Product Extension: CSP3. COSMIC Product Extension: CSP 5. Conclusions & Future Work5. Conclusions & Future Work

3. Reiner R. Dumke, University of Magdeburg 1. Introduction to COSMIC FP Method1. Introduction to COSMIC FP Method Motivation: COSMIC German BookMotivation: COSMIC German Book Software Functionality Size

4. Reiner R. Dumke, University of Magdeburg 1. Introduction to COSMIC FP Method1. Introduction to COSMIC FP Method Carefulness: COSMIC German BookCarefulness: COSMIC German Book Processes effort Functional size

5. Reiner R. Dumke, University of Magdeburg 1. Introduction to COSMIC FP Method1. Introduction to COSMIC FP Method CFP as I/O MetricsCFP as I/O Metrics

6. Reiner R. Dumke, University of Magdeburg 1. Introduction to COSMIC FP Method1. Introduction to COSMIC FP Method Software Functionality:Software Functionality: 1.1. inputs (Entries)inputs (Entries) (as #inputs, not size(inputs))(as #inputs, not size(inputs)) 2.2. output (Exits)output (Exits) (as #outputs, not size(outputs))(as #outputs, not size(outputs)) 3.3. execution (data manipulation)execution (data manipulation) (not in COSMIC; in COSMIC local(not in COSMIC; in COSMIC local extension)extension) 4.4. involving data base (Reads, Writes)involving data base (Reads, Writes) 5.5. interaction to other software piecesinteraction to other software pieces CFP as Functional SizeCFP as Functional Size Other Size Measurement as Total Software Size:Other Size Measurement as Total Software Size: supremum:supremum: LOCLOC infimum:infimum: I/O metricsI/O metrics effort aspects: usual point metrics as weighted I/O metricseffort aspects: usual point metrics as weighted I/O metrics

7. Reiner R. Dumke, University of Magdeburg 1. Introduction to COSMIC FP Method1. Introduction to COSMIC FP Method CFP Measurements & Effort EstimationCFP Measurements & Effort Estimation CFP of Embedded Systems: CFP = |{E, X }i | + #(R, W ) j CFP of Business Applications: CFP = #({E, X }fp1 , ... , {E, X }fpn) + |{R, W }k | etc. CFP of Embedded Systems: CFP = |{E, X }i | + #(R, W ) j CFP of Business Applications: CFP = #({E, X }fp1 , ... , {E, X }fpn) + |{R, W }k | etc. Software development effort as (PM as personal month): 1 CFPnew_development ≈ 0.07 PM ISBSG application for effort characterization: 1 CFPmaintenance ≈ 0.013 PM Conversion of IFPUG FP to COSMIC : 1 FPIFPUG ≈ 1.13 CFP Software development effort as (PM as personal month): 1 CFPnew_development ≈ 0.07 PM ISBSG application for effort characterization: 1 CFPmaintenance ≈ 0.013 PM Conversion of IFPUG FP to COSMIC : 1 FPIFPUG ≈ 1.13 CFP

8. Reiner R. Dumke, University of Magdeburg 2. Empirical Aspects: Software Size2. Empirical Aspects: Software Size with SIZEproduct = SIZEartefact ⊕ SIZEempirical SIZEartefact = {#requirements, #models, #components, #testCases, #LOC, #docPages etc.} SIZEempirical = {functional size, quality -based size, paradigm-based size, platform-based size} SIZEprocess = {#phases, #activities, #resources, #budgets, #versions, #methods etc.} They are some different kinds of software sizes like SIZE = SIZEproduct ⊕ SIZEprocess

9. Reiner R. Dumke, University of Magdeburg 2. Empirical Aspects: Software Quality2. Empirical Aspects: Software Quality with QURproduct = {FUR, reliability, usability, efficiency, maintainability, portability} QURapplication = {effectiveness, productivity, safety, satisfaction} PUR = {paradigm, architecture, programming technology, software processors, infrastructure} POR = {development method, life cycle, management aspects, personal resources, CASE tools, COTS, hardware resources} and management aspects = {timeline, effort, costs, size} REQ = FUR ∪ NFR = FUR ∪ {QUR, PUR, POR} with nonfunctional requirements (NFR) as quality user req. (QUR), platform user req. (PUR) and process organizational req. (POR) and furthermore QURISO 9126 = QURproduct ∪ QURapplication,

10. Reiner R. Dumke, University of Magdeburg 2. Empirical Aspects: Software Complexity2. Empirical Aspects: Software Complexity COCOMO II empirical aspects examples QURCOCOMO = {CPLX, DATA, DOCU, RCPX, RUSE etc.} PURCOCOMO = {PVOL, STOR, TIME, TURN} PORCOCOMO = {ACAP, APEX, LTEX, PCAP, FCIL etc.} COCOMO II empirical aspects examples QURCOCOMO = {CPLX, DATA, DOCU, RCPX, RUSE etc.} PURCOCOMO = {PVOL, STOR, TIME, TURN} PORCOCOMO = {ACAP, APEX, LTEX, PCAP, FCIL etc.} COMPL = COMPLartefact ⊕ COMPLempirical with COMPLartefact = {problem complexity, model complexity, architecture complexity, program complexity, infrastructure complexity} and COMPLempirical = {topological complexity, information complexity, diagnostic complexity, data complexity, flow complexity, code complexity, mnemonic complexity, cyclomatic complexity etc.}

11. Reiner R. Dumke, University of Magdeburg 2. Empirical Aspects: Total software size2. Empirical Aspects: Total software size COSMIC-based effort estimation (currently) and CFP = SIZEfunctional = #(E, X, R, W ) COSMIC-based effort estimation needs total software size!

12. Reiner R. Dumke, University of Magdeburg 3. COSMIC Extensions3. COSMIC Extensions

13. Reiner R. Dumke, University of Magdeburg 3. COSMIC Extensions: CSP3. COSMIC Extensions: CSP consideration of: NUR = QUR ∪ PUR (nonfunctional requirements: quality user req. and platform user req.) as entries (EQUR ), exits (XQUR ), reads (RQUR ) and writes (WQUR ) and entries (EPUR ) and exits (XPUR ), reads (RPUR ) and writes (WPUR ) COSMIC Software Product Points: CSP = CFP + COSMICNUR

14. Reiner R. Dumke, University of Magdeburg 3. COSMIC Extensions: CSP3. COSMIC Extensions: CSP COSMIC Software Product Points: CSP = CFP + COSMICNUR same principles any new rules new examples

15. Reiner R. Dumke, University of Magdeburg 3. COSMIC Extensions: CSP3. COSMIC Extensions: CSP Quality implementation sizing: PerformanceQuality implementation sizing: Performance Time duration test usual Entry & Exits and Reads & Writes

16. Reiner R. Dumke, University of Magdeburg 3. COSMIC Extensions: CSP3. COSMIC Extensions: CSP Quality implementation sizing: SecurityQuality implementation sizing: Security usual Entry & Exits and Reads & Writes Password checking

17. Reiner R. Dumke, University of Magdeburg 3. COSMIC Extensions: CSP3. COSMIC Extensions: CSP Quality implementation sizing: UsabilityQuality implementation sizing: Usability usual Entry & Exits and Reads & Writes GUI interaction extension

18. Reiner R. Dumke, University of Magdeburg 4. COSMIC Extensions: CPP4. COSMIC Extensions: CPP consideration of POR (process organizational requirements) as entries (EPOR ), exits (XPOR ), reads (RPOR ) and writes (WPOR ) COSMIC Software Process Points: CPP = #(EPOR , XPOR ) i + |{RPOR , WPOR }j |

19. Reiner R. Dumke, University of Magdeburg 4. COSMIC Extensions: CPP4. COSMIC Extensions: CPP COSMIC Software Process Points: CPP = #(EPOR , XPOR ) i + |{RPOR , WPOR }j | same principles any new rules new examples

20. Reiner R. Dumke, University of Magdeburg 4. COSMIC Extensions: CPP4. COSMIC Extensions: CPP usual Entry & Exits and Reads & Writes Process aspect implementation: MaintainabilityProcess aspect implementation: Maintainability Use of annotations for Testing and migration

21. Reiner R. Dumke, University of Magdeburg 4. COSMIC Extensions: CPP4. COSMIC Extensions: CPP usual Entry & Exits and Reads & Writes Process aspect implementation: Platform informationProcess aspect implementation: Platform information Protocolling COTS (Java) properties

22. Reiner R. Dumke, University of Magdeburg 4. Conclusions & Future Work4. Conclusions & Future Work COSMIC Manual Extensions in order to achieve: effortdevelopment(SP) = α (CSP + CPPdevelopment) [PM] effortmaintanance(SP)= β (CSP + CPPmaintenance) [PM] effortapplication(SP) = γ CPPapplication [PM]

23. Reiner R. Dumke, University of Magdeburg COSMIC extensionsCOSMIC extensions Thanks for your attentionThanks for your attention! www.smlab.de 10101001 01010011 01001111 01001100 01010011 f 10101001 01010011 01001111 01001100 01010011 f from functional size measurement to software measurement 570 pages

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