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21
votes
12answers
3k views

Is it significantly costlier to fix a bug at the end of the project?

In a blog post by Andrew Hay, the following axiom was posited: It costs significantly more to fix a bug at the end of the project that it does to fix the same bug earlier in the project. However,...
12
votes
5answers
2k views

The Relative Cost Efficiency of (Acceptance) Test Driven Development

I would like to know what the overall impact of resource planning on a software project is, where the requirements and design of the project are driven by automated acceptance tests and unit tests, in ...
12
votes
3answers
538 views

Is there a software engineering principle that relates reuse and regression test cost on a production system?

I've worked on a large financial transaction system for a bank that looked after Pensions and Investments. After 15 years of feature changes, the manual regression test cost had climbed to $200K per ...
11
votes
4answers
696 views

Maintenance cost of SIMD programming code base

Question: The software industry's consensus is that clean and simple code is fundamental to the long-term viability of the code base and the organization that owns it. These properties lead to lower ...