Ops CONSULTING CodeMetrics An Extensible Tool for Code Counting Presented at the 21st International Forum on COCOMO and Software Cost Modeling.

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Presentation transcript:

ops CONSULTING CodeMetrics An Extensible Tool for Code Counting Presented at the 21st International Forum on COCOMO and Software Cost Modeling

ops CONSULTING What’s the problem? “… vast majority of projects are over budget and over schedule …”

ops CONSULTING Reason? Basing estimates on historic actuals is the most accurate way to estimate future activity Cost and schedule analysts traditionally do not have this valuable information when they need it the most But

ops CONSULTING Estimating During Program Life Cycle Program Life Cycle Gross Estimates Detailed Estimates Analogy Parametric [Extrapolation From] Actuals Engineering [Build-Up] Concept & Technology Development System Development & Demonstration Production & Deployment Operations & Support Chart #300R4, Defense Systems Management College (DSMC), 2001

ops CONSULTING Typical Period Where Estimates are Generated Program Life Cycle Gross Estimates Detailed Estimates Analogy Parametric [Extrapolation From] Actuals Engineering [Build-Up] Concept & Technology Development System Development & Demonstration Production & Deployment Operations & Support Chart #300R4, Defense Systems Management College (DSMC), 2001

ops CONSULTING There is a need to shift this estimating cycle to improve cost and schedule estimates… Chart #300R4, Defense Systems Management College (DSMC), 2001 Program Life Cycle Gross Estimates Detailed Estimates Analogy Parametric [Extrapolation From] Actuals Engineering [Build-Up] Concept & Technology Development System Development & Demonstration Production & Deployment Operations & Support Make a Shift

ops CONSULTING How do you shift the estimating methodology? Quantify the organization’s own portfolio of software in order to: –Create historically accurate analogies –Calibrate parametric tools –Solidify the basis of estimate for engineering build-ups

ops CONSULTING Cataloging Existing Software is the Starting Point for Quantifying a Software Portfolio Since there were no tools available to do all this, we built our own: CodeMetrics How Do You Quantify a Software Portfolio? Identify software assets –SLOC –Languages –Quality Observe project structure Identify project artifacts –Documentation –CM trails most parametric tools based on SLOC

ops CONSULTING What does CodeMetrics Catalog? DSI Delivered Source Instructions (DSI) The delivered source instructions include all program instructions created by the project personnel and processed into machine code Comments Blank Lines Dense Comments Total Lines Files Directories

ops CONSULTING CodeMetrics Usage Consulting agreement with Government agency to evaluate software portfolio metrics –All software assets in a portfolio, not just primary programmatic language GOTS Open Source Utilize OPS’s Quality Assessment Capability (QAC) 170 MSLOC

ops CONSULTING Current Market Many Language SLOC Count (David Wheeler) Code Count (CSE USC) Code Counter Pro (Geronesoft) EZ-Metrix (James Heires Consulting) SLOC Metrics (Microguru) One/Few Language C/C++ SLOC Counter (retiSoft) Java NCSS (Clemens) LOCC (CSDL U of Hawaii) Project Line Counter (Solomon) Resource Standard Metrics (M Squared Technologies) Toad (Quest Software) Reengineering Tools Understand (STI) McCabe (McCabe)

ops CONSULTING Issues with Current Tools Not Easily Extensible Mainly Preeminent Languages Often Not Plug&Play Non-Standard Counting Rules

ops CONSULTING CodeMetrics Standard View

ops CONSULTING CodeMetrics Execution

ops CONSULTING CodeMetrics Text Viewer

ops CONSULTING CodeMetrics Backfire

ops CONSULTING CodeMetrics Basic COCOMO

ops CONSULTING CodeMetrics Designate CSCIs

ops CONSULTING CodeMetrics COCOMO II

ops CONSULTING CodeMetrics Extensions

ops CONSULTING Questions/Comments

ops CONSULTING How to Contact OPS Greg Foley, President Paul Wetzel, CTO OPS Consulting, L.L.C Martins Grant Court Crownsville, MD

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