[cfe-dev] Clang effort

[John Wiegley]

>>>>> Chris Lattner <clattner at apple.com> writes:

> That's hard to say.  One estimate from ohloh.net says it took 173 person
> years at $9.5M: http://www.ohloh.net/p/clang/estimated_cost

Here's what sloccount estimates:

Total Physical Source Lines of Code (SLOC)                = 397,368
Development Effort Estimate, Person-Years (Person-Months) = 107.20 (1,286.36)
 (Basic COCOMO model, Person-Months = 2.4 * (KSLOC**1.05))
Schedule Estimate, Years (Months)                         = 3.16 (37.98)
 (Basic COCOMO model, Months = 2.5 * (person-months**0.38))
Estimated Average Number of Developers (Effort/Schedule)  = 33.87
Total Estimated Cost to Develop                           = $ 14,480,853
 (average salary = $56,286/year, overhead = 2.40).

-- 
John Wiegley
BoostPro Computing                  Software Development        Training
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