[R-pkg-devel] Package submission rejected as it fails checks on Debian
Duncan Murdoch
murdoch@dunc@n @end|ng |rom gm@||@com
Thu Feb 23 20:09:09 CET 2023
On 23/02/2023 1:11 p.m., Ben Bolker wrote:
> Not important (of course) but where does the 5000 kWh per tree number
> come from? Is that (dry weight) x (50% carbon per dry weight) / (carbon
> content of CO2 emissions per kWh) ?
>
> https://www.epa.gov/energy/greenhouse-gas-equivalencies-calculator#results
>
> If we say 200 watts x 15 minutes (allowing us to take up the whole
> server for checking on 5 different platforms) we have .05 kWh. Let's say
> we do this 300 times/year for a package, so 15 kWh. Hard to get 'tree
> equivalents' from the EPA web site, but this is equivalent to 1.2
> gallons of petrol/gasoline consumption (0.011 metric tonnes)
Another missing part of the calculation is how many kWh are saved
because frequent checks find bugs early and prevent the need to throw
away long simulation runs.
And Github claims to have been carbon neutral since 2019...
Duncan
>
>
> On 2023-02-23 12:59 p.m., Duncan Murdoch wrote:
>> Hi Martin.
>>
>> I think your calculations are way off. A one-tonne tree contains about
>> 5000 kWh of energy. A typical computer server uses about 200 watts, and
>> can process many jobs simultaneously on different cores, but let's say
>> the whole server is dedicated to the Github action. Then it would
>> consume 1 kWh in 5 hours, and would take about 10 days to consume 1% of
>> a tree.
>>
>> Duncan Murdoch
>>
>> On 23/02/2023 11:29 a.m., Martin Maechler wrote:
>>>>>>>> Spencer Graves
>>>>>>>> on Tue, 21 Feb 2023 05:25:39 -0600 writes:
>>>
>>> > On 2/21/23 2:34 AM, Vasileios Nikolaidis wrote:
>>> >> Yes, with all this I can think where I may have messed up. So
>>> thanks for
>>> >> the help, at least it verified it is indeed an issue with the
>>> code. As
>>> >> far as OSs, I use Ubuntu variants a lot and (on several
>>> machines) but
>>> >> these days I have easier access to Windows (with WSL2 btw). I
>>> also like
>>> >> a strict compiler (and linker), there is usually a reason why
>>> they are
>>> >> strict. So if it is not obvious from examining the code, I
>>> will set up
>>> >> something (be it WSL, VM or Docker) for testing.
>>>
>>>
>>> > If you have NOT tried "GitHub Action" yet, I highly recommend it.
>>> > For my packages, every time I do "git push", it automatically
>>> runs "R
>>> > CMD build / check" on 5 different platforms -- with no further
>>> effort on
>>> > my part other than checking the results.
>>>
>>> [ Sorry, but for once I'd like to raise this here ...]:
>>>
>>> well... how many "trees" does that cost every time you push?
>>> I guess it will be less than one, but I'd also guess it be more
>>> than 1% of one.. and even if that was more than reality, ...
>>>
>>> I hope you are all aware that even though this looks "free", all
>>> this mostly unnecessary (rebuilding some of the things *every*
>>> time from scratch, downloading lots of stuff, even though from a
>>> closeby server) traffic and server run time will partly be paid
>>> by the kids and grand kids of people living in Bangladesh,
>>> Polynesia, ... (and maybe even in say Amsterdam)
>>> Global Warming *is* a threat, and we living in rich nations letting run
>>> more and more computer networks and servers (cooling, heating,
>>> gray energy including lots of CO2 produce by building construction, ...)
>>> does add to it.
>>>
>>> [[[yes, I may be partly wrong, and
>>> no, it's a loss of time if we start a flame/mud/... war here
>>> about this;
>>> just consider it a small outlier voice ...
>>> ]]]
>>>
>>>
>>> > It should be easy to get something to work following the
>>> instructions
>>> > in Wickham and Bryan, R Packages[1] or copying the code from
>>> another
>>> > package.[2] If that fails, you might be able to get help from
>>> this list.
>>> > I got valuable suggestions from Dir Eddelbuettel and Duncan
>>> Murdoch.
>>>
>>>
>>> > I don't know if any version of Debian is available on GitHub
>>> Action.
>>> > However, if CRAN is rejecting your package on GitHub Action, a
>>> question
>>> > about that to this list might help make it available. If you have
>>> > special Ubuntu configuration issues that are not provided in the
>>> > standard GitHub Action configurations, asking here might help
>>> you with
>>> > that.
>>>
>>>
>>> > Hope this helps,
>>> > Spencer Graves
>>>
>>>
>>> > [1]
>>>
>>>
>>> > https://r-pkgs.org
>>>
>>>
>>> > [2] e.g.,
>>>
>>>
>>> > https://github.com/JamesRamsay5/fda
>>>
>>> >>
>>> >> Thanks again,
>>> >>
>>> >> Vasilis
>>> >>
>>> >>
>>> >>
>>> >> Στις 2023-02-20 23:09, Dirk Eddelbuettel έγραψε:
>>> >>> On 20 February 2023 at 22:37, Vasileios Nikolaidis wrote:
>>> >>> | Thanks for taking the time to check it. The hint about the
>>> virtual
>>> >>> | 'layer' class is valuable.
>>> >>> | I will look into it.
>>> >>>
>>> >>> Sounds good, glad to have been of assistance. On a lark, I
>>> also tried
>>> >>> your
>>> >>> most recent CRAN release, and it installs and loads fine here.
>>> >>>
>>> >>> | PS I am tempted to set up a Debian test platform to speed
>>> up fixing the
>>> >>> | package.
>>> >>> | (Or abandon submitting the package to CRAN alltogether.)
>>> >>>
>>> >>> I love working on Linux. And these days I hear from some
>>> friends that
>>> >>> having
>>> >>> WSL2 on a (recent enough) Windows computer is also good as it
>>> effectively
>>> >>> gives a second machine with Ubuntu on it. Docker can also be
>>> helpful,
>>> >>> as are
>>> >>> the online resources -- rhub has helped me with both macos
>>> and windows
>>> >>> builds.
>>> >>>
>>> >>> Dirk
>>> >>
>>> >> ______________________________________________
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>>> >> https://stat.ethz.ch/mailman/listinfo/r-package-devel
>>>
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