> On 06 Nov 2015, at 14:20, Sebastian Schuberth <sschuberth@xxxxxxxxx> wrote:
>
> On Fri, Nov 6, 2015 at 2:11 PM, Lars Schneider <larsxschneider@xxxxxxxxx> wrote:
>
>> Per platform/compiler (Linux&Mac/clang&gcc) we run two configurations. One
>> normal configuration (see the lonely "-" right under "matrix:") and one
>> configuration with all sorts of things are disabled ("NO...").
>>
>> You can see all 8 configurations ([linux, mac] * [clang, gcc] * [normal,
>> NO_...]) here:
>> https://travis-ci.org/larsxschneider/git/builds/89598194
>
> Aren't these 8 configurations a bit too much? I see the total running
> time is about 2 hours. For my taste, this is way to much to give
> developers feedback about the status of their PR. It should be
> something < 30 minutes.
>
> IMO, the purpose of the Travis CI configuration mainly is to 1) save
> developers work by not requiring to build manually, 2) build on other
> platforms than the developer has access to. I doubt that the average
> developer manually builds anything close to these 8 configurations
> before we had this job, so I wouldn't make it a requirement for Travis
> to do much more than a developer could / would to manually.
>
> On the other hand, I see the point in letting a CI system test more
> configurations than manually feasible. But that should be done as part
> of a different job then. E.g. we could have a "fast" PR validation
> job, and a "slow" nightly build job.
>
Well, I partly agree. Right now the running time is ~20 min (that means less than your 30min target!). After ~10min you even have all Linux results, Mac takes a bit longer. Travis shows you 2h because that is the time that would be required if all builds where run one after another (we run builds in parallel).
That being said, I see your point of to avoiding to burn Travis CI resources meaningless. If I am not mistaken then you can configure Travis in a way that it runs different configurations for different branches. E.g. I would like to run all 8 configurations on maint, master, next and maybe pu. All other branches on peoples own forks should be fine with the default Linux build (~10min).
What do you think?
Thanks,
Lars--
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