[OpenWrt-Devel] Fast build testing [Was: Git mirror with branches, tags and full history]

[Dirk Neukirchen]

On 01.12.2015 18:17, Bastian Bittorf wrote:
> * Petr Štetiar <ynezz at true.cz> [30.11.2015 13:47]:
>>> build testing OpenWrt can be *really* fast, if you
>>>
>>> a) build in a ram-disk
>>> b) use dedicated hardware for each architecture
>>>
>>> i bet it's about 300 seconds for a full fresh
>>> distributed build for *all* architectures.
>>
>> That sounds really great, can you please share more details? It's just your
>> guess or you've achieved such build times already?
> 
> i just retested on one spare machine:
> Intel(R) Xeon(R) CPU E5-2620 v2 @ 2.10GHz
> 
> you need ~12 tmpfs and a
> "make clean; make -j25"
> runs in 310 secs. it seems to last very long
> to generate the image-files, compiling itself is fast.
> 
> tomorrow i will test another board with 4ghz AMD.
> 

Can you please add some compile speed numbers
on cloud service/workstation/ >8thread hardware to
this wiki page: https://wiki.openwrt.org/doc/faq/development


> my idea was, that people of the community can "spend"
> cpu-time and run builds for only 1 arch after each checkin.
> 
> bye, bastian
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