Manage the Automotive Embedded Software Development Cost & Productivity with the Automation of a Functional Size Measurement Method (COSMIC)

Abstract

Year after year, more and more cars' functionalities are performed by software: electrical vehicle, multimedia, connectivity with the outside world and so on. As its software development costs are increasing, Renault decided to develop metrics and an estimation process in order to be able to predict its software costs early in the vehicle or power-train project. At the same time, Renault is working with its major Electronic Control Units suppliers to contract with them on the basis of software metrics. After different studies, Renault chose the COSMIC method as its embedded software metric. COSMIC is for COmmon Software Measurement International Consortium, and is also the name of a Functional Size Measurement (FSM) method, ISO standard since 2003. To make its measurement process robust, Renault has decided to automate the functional size measurement.

Measuring the Software Size of Sliced V-Model Projects

“…The size calculated is subjective to the expertise of these experts [14] and the counting is difficult to mechanize [15]. Latter point has been addressed for the COSMIC recently by Lind and Heldal [16] and Oriu et al [17]. Both approaches require software models (e.g., as UML) as input for automatic size calculation.…”