[webkit-dev] NRWT Migration Update

[Adam Barth]

On Fri, Oct 21, 2011 at 2:03 PM, Dirk Pranke <dpranke at chromium.org> wrote:
> On Fri, Oct 21, 2011 at 12:59 PM, Eric Seidel <eric at webkit.org> wrote:
>> I would recommend all ports who haven't switched to ORWT do so.
>
> You presumably mean that you recommend all ports who haven't switched
> to *NRWT* do so :)
>
> Also, I would like to see us start working on turning on parallel
> tests on the bots once everyone is cut over. It is a big speed
> improvement (and we do run them in parallel on the Chromium bots).
> Recently I was doing some testing on a 48-core linux box, and we got a
> near-linear speed up over the 4-core box we had to compare it to
> (which itself is a near-linear speed up over running in a single
> thread) ... it really does work.
>
> And it is definitely true that the tests are flakier when run in
> parallel, but perhaps this'll give us the impetus to fix them :).
>
> I am also more than happy to field any questions about moving to NRWT
> or hacking on it to add features.

That's mostly a matter of tweaking the wrapper script.  We can
experiment with rolling it out gradually across the build farm.

Adam