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From Daniel Gruno <humbed...@apache.org>
Subject Re: Fwd: A $5B Value: The Code in Linux Foundation Collaborative Projects
Date Wed, 30 Sep 2015 15:20:54 GMT
Hi Jan,
We actually did the math last year for ACEU 2014, I'll try to find it 
for you.
But in short, take the LF number, multiply it by 1.25 and you sort of 
get to the figures we were discussing back then.
This is highly subjective and not in any way an _actual_ science 
(neither are the LF numbers, they're all just big guesses), but it's fun 
do try out the math :)

We have around 140-150 million lines of code at the moment, which by 
using our own model would take around 38k person-years to do (LF has 
used some math that makes coding take even longer - by their standards, 
it would take 50k person-years to write our code). We had a very 
conservative cost estimation at $2B back then. By LF standards, that 
figure would be $6.1B.

With regards,
Daniel.

On 2015-09-30 16:59, jan iversen wrote:
> Hi.
>
> This report is real interesting reading, it could be real cool to do the
> same math for ASF.
>
> Is anybody interested in forming a small work team (a LABS project), and
> try to do the calculation for ASF ?
>
> rgds
> jan I.
>
>
>
> ---------- Forwarded message ----------
> From: Linux Foundation <no-reply@linuxfoundation.org>
> Date: 30 September 2015 at 14:21
> Subject: A $5B Value: The Code in Linux Foundation Collaborative Projects
> To: jancasacondor@gmail.com
>
>
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> <http://go.linuxfoundation.org/webmail/6342/660023375/7f912be3342cd3bcc0a96fc9875f6fc8>
> .
>
> NEW Report: Estimating the Total Development Costs of Collaborative Projects
> <http://go.linuxfoundation.org/e/6342/ndation-collaborative-projects/2v9lw6/660023375>
> The
> Linux Foundation today is releasing its first-ever report that attempts to
> measure the collective value of development costs in its Collaborative
> Projects. The report is titled “*A $5 Billion Value: Estimating the Total
> Development Cost of Linux Foundation’s Collaborative Projects
> <http://go.linuxfoundation.org/e/6342/ndation-collaborative-projects/2v9lw6/660023375>.*
> ”
>
> Linux Foundation Collaborative Projects are independently funded software
> projects that harness the power of collaborative development to fuel
> innovation across industries and ecosystems. More than 500 companies and
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> *Top-level findings from the report include:*
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>     - The total *lines of source code* present today in Linux Foundation’s
>     Collaborative Projects are *115,013,302*.
>
>     - The *estimated, total amount of effort* required to retrace the steps
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>     years*.
>
>     - In other words, it would take *1,356 developers 30 years* to recreate
>     the code bases present in Linux Foundation’s current Collaborative Projects
>     listed above. The total economic value of this work is estimated to
> be over *5
>     billion dollars*
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