[HipHop] WMF/HHVM status/check-in

[Sean Cannella]

I'm going to reply to both of these mails separately.

Tyler, besides the break (2) issue you posted about, what else is blocking you here? (Please post issues to github with whatever else you find so we can take a look.)

Thanks,
Sean Cannella | Eng | HipHop | NYC 17.D.07C
If you are smart and persistent, you may find the truth. It is not always a reward.

From: Tyler Romeo <tylerromeo at gmail.com<mailto:tylerromeo at gmail.com>>
Reply-To: HipHop VM developers <hiphop at lists.wikimedia.org<mailto:hiphop at lists.wikimedia.org>>
Date: Wednesday, July 17, 2013 12:45 AM
To: HipHop VM developers <hiphop at lists.wikimedia.org<mailto:hiphop at lists.wikimedia.org>>
Subject: Re: [HipHop] WMF/HHVM status/check-in

For the record, I just tried running the unit tests on vagrant using the pre-built HHVM package and it doesn't work for a number of reasons. I'm going to retry with a new build since I'm sure things have changed since the last packaging.

--
Tyler Romeo
Stevens Institute of Technology, Class of 2016
Major in Computer Science
www.whizkidztech.com<https://urldefense.proofpoint.com/v1/url?u=http://www.whizkidztech.com/&k=ZVNjlDMF0FElm4dQtryO4A%3D%3D%0A&r=qWKZgeMOTEjZO3swtNEHLw%3D%3D%0A&m=dLWkruZIS7g7DxXcPW3jG9%2Fx%2Fl3g7d0S503sbXsDAzU%3D%0A&s=c64fa105d33446c7f8b6bab2b23c196612114cbf5ad9ee83d54f5f077047155b> | tylerromeo at gmail.com<mailto:tylerromeo at gmail.com>


On Tue, Jul 16, 2013 at 7:28 PM, Tim Starling <tstarling at wikimedia.org<mailto:tstarling at wikimedia.org>> wrote:
On 17/07/13 07:18, Sean Cannella wrote:
> Hi -
>
> I'm a relatively new engineer on the HipHop VM team and just joined
> our Open Source effort so I haven't met any of you yet. Hi!
>
> Since we haven't had any traffic on this list in the past month or
> so, I just wanted to check in; is WikiMedia waiting on something
> from Facebook / plugging away / other?
> We want to make sure silence doesn't mean that both sides of this
> effort think they are blocked on the other.
> Let us know if you need any support from us to proceed or, if not,
> generally how things are going with the port.

Hi Sean,

We (WMF Platform Engineering) are a pretty small team, with a lot of
other responsibilities. Nobody is assigned to work primarily on HipHop
at the moment, but we're planning a concerted project aimed at
production deployment starting in September or October.

In the meantime, I hope there will be some work from WMF volunteers,
WMF staff with spare time, and FB staff. The kinds of things I'd like
to see are:

* Updates to hphp/doc/*, for example, documentation of what hhvm is
and what its command-line parameters are.
* Successful execution of the MediaWiki unit test suite, if that's not
done already.
* Comparative benchmarks, such as parse times of large articles, and
complete page view times for parser cache hits.

I'd also be interested in having a discussion about strategies for
bytecode repo management. Should repos be pre-built before deployment,
or should the application servers just be allowed to populate the
repos while serving normal traffic? And what is the central/local
split meant to be for? Presumably SQLite's locking strategy wouldn't
work across a shared filesystem like NFS -- maybe you have a different
definition of "central"?

Should Repo.Authoritative be used?

-- Tim Starling

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