[LLVMdev] Quad-Core ARMv7 Build Slave Seeks Noble Purpose

[Mikael Lyngvig]

Yes, that sounds like a good plan.  Let's agree that you make the call with
respect to re-purposing them, if at all.

How do you set it up to do benchmarking?  Make-what?  I guess I can simply
reuse your Zorg changes once you link the XU into Zorg.


-- Mikael


2013/11/21 Renato Golin <renato.golin at linaro.org>

> On 20 November 2013 23:11, Mikael Lyngvig <mikael at lyngvig.org> wrote:
>
>> My XU is on build 141 and there hasn't been a single problem yet.  No
>> reboots, no crashes, and as far as I have observed no core dropouts (after
>> I did the cpu-freq trick you sent me).  Perhaps I have a stable board or
>> perhaps it is because of its revision (rev. 0.3)?
>>
>
> That's good to know. I'm setting up mine like yours and we can join them
> later.
>
>
>   I will have to move it sometime because it is somewhat noise once it
>> begins to build.
>>
>
> I know! I left mine on the garage...
>
>
> Do you know if I can plug in any wireless adapter or if it has to be the
>> Realtek adapter that Hardkernel sells?  I forgot to buy a wireless adapter
>> and I dont' want to pay $30 shipping from Korea again.
>>
>
> Well, I bought the one from HardKernel and it worked perfectly. I'm
> guessing that any should work well as long as they work well with Linux.
> But if you can find a local adapter that has a similar firmware, that would
> be a wiser choice.
>
>
> Please notice that I sent an updated .RST edition of my Arch Linux builder
>> article to LLVM-commits (for review) the other day.  So the link on
>> lyngvig.org will be taken down once the reviewed document has been
>> comitted, if ever.
>>
>
> It will, don't worry about that, we love documentation.
>
>
> I was thinking that it is unoptimal to have two XU's acting as builders on
>> the same projects, so what are you going to do with your XU?  I guess one
>> of us should do the "make check" thingy and the other simply aim to build
>> as fast as possible.  My system is already set up to build as fast as
>> possible using ccache.  I think my system normally spits out a build in
>> 10-20 minutes, due to ccache.
>>
>
> I'm already adding two chromebooks (one self-hosting and another for the
> test-suite), so that should cover other bases.
>
> I still don't trust the XU that much, so, like the Pandas, we should have
> at least two on each build. If they remain stable for a month or so, we can
> re-purpose them.
>
> One plan is to put them both as benchmark bots. There is a movement to
> create a benchmark run of the test-suite, and that might take a while on
> ARM, so having two bots will allow us to get more commits tested properly.
> When that is ready, I'll take over the fast build on a chromebook and we
> can put our two XUs in load balance for the benchmarks.
>
> Sounds like a plan?
>
> cheers,
> --renato
>
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