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Today's Topics:
1. Re: Moving forward with first split of the HPX repository
(Simberg Mikael)
----------------------------------------------------------------------
Message: 1
Date: Fri, 17 Dec 2021 19:33:11 +0000
From: "Simberg Mikael" <[email protected]>
Subject: Re: [hpx-devel] Moving forward with first split of the HPX
repository
To: "[email protected]" <[email protected]>
Message-ID: <[email protected]>
Content-Type: text/plain; charset="iso-8859-1"
Hi all,
We've now merged the two pull requests that split HPX into two repositories.
While we've tried to take care of all issues in the build system, some have
certainly been missed, and we'd greatly appreciate you trying things out and
reporting problems that you find either here, or on either of the issue
trackers of the two repositories.
If you are only interested in the on-node functionality of HPX (i.e. HPXLocal)
it now lives at https://github.com/STEllAR-GROUP/hpx-local. The build system is
largely unchanged. The most significant changes are:
- HPX_WITH_* CMake options have been renamed HPXLocal_WITH_*
- Options that only affect distributed functionality have been removed.
If you are interested in distributed functionality the repository continues to
live at https://github.com/STEllAR-GROUP/hpx. The build system is intended to
work exactly as before. This means that:
- The HPX build system will by default automatically download and configure a
fixed tag of HPXLocal.
- CMake options that affect only HPXLocal will be automatically forwarded from
HPX_WITH_* to HPXLocal_WITH_*.
- Build system-related CMake options that have equivalents for both HPX and
HPXLocal will be forwarded from HPX to HPXLocal on first configuration (e.g.
HPX_WITH_TESTS).
The default behaviour of HPX is to download HPXLocal. This behaviour is
controlled by the HPX_WITH_FETCH_HPXLOCAL option. By turning it off HPX will
instead search for an installed copy of HPXLocal. Alternatively, fetchcontent
can be told to use a repository on the filesystem instead of downloading
HPXLocal. This can be done by keeping HPX_WITH_FETCH_HPXLOCAL enabled, but
setting FETCHCONTENT_SORUCE_DIR_HPXLOCAL=<path/to/hpx-local>.
Until the next HPX and first HPXLocal releases we recommend staying with the
tagged version of HPXLocal when using HPX. This is defined by
HPX_WITH_HPXLOCAL_TAG. After the next releases we will relax this requirement.
Finally, there are a number of pull requests open that change files in
HPXLocal. Please get in touch with me here or IRC if you would like help with
retargeting your pull requests to the new repository or in general with
resolving potential conflicts. The easiest way to retarget a branch against
HPXLocal is to add HPXLocal as a new remote on your local clone of HPX:
git remote add origin-hpx-local [email protected]:STEllAR-GROUP/hpx-local.git
git fetch origin-hpx-local
You can then in most cases rebase your branch on top of master of HPXLocal:
git rebase --onto origin-hpx-local/master origin/master <my_branch>
I additionally recommend doing this as an interactive rebase with the -i option
to check that you are rebasing all and only the required commits from your
branch. If your pull request targets both repositories create a new branch for
the new pull request that will target HPXLocal before rebasing.
Thanks for your patience with this process.
Mikael
________________________________
From: [email protected] <[email protected]>
on behalf of Simberg Mikael <[email protected]>
Sent: Thursday, November 4, 2021 11:06:02 AM
To: [email protected]
Subject: {Spam?} [hpx-devel] Moving forward with first split of the HPX
repository
Hi all,
We're getting closer to a stage where we can go through with the initial split
of the HPX repository into two parts: the current STEllAR-GROUP/hpx and a new
STEllAR-GROUP/hpx-local. The pull requests for these changes are
https://github.com/STEllAR-GROUP/hpx-local/pull/2 and
https://github.com/STEllAR-GROUP/hpx/pull/5586. I'd appreciate any comments or
concerns about the changes on the pull requests at this point. However, further
adjustments can (and will likely have to) be made even after those pull
requests are merged.
In order to make the timing of merging those PRs the least disruptive to open
work, I've labeled all open PRs with "split: X", where X can be one of:
- distributed
- local
- docs
- config/ci/cmake
PRs labeled with "split: distributed" make changes to distributed
functionality, i.e. things that will stay in the current hpx repository. PRs
labeled only with "split: distributed" can be merged at any time and do not
affect the split. PRs with "split: local" make changes to things that will be
moved to hpx-local. PRs labeled only with "split: local" can be easily
retargeted to the hpx-local repository. PRs with "split: docs" also only affect
the current repository, as for the moment all documentation will live in the
hpx repository. PRs with "split: config/ci/cmake" may affect either repository
and will need to be dealt with on a case-by-case basis. I'm currently mostly
concerned with PRs labeled both "split: local" and "split: distributed", i.e.
these PRs:
https://github.com/STEllAR-GROUP/hpx/pulls?q=is%3Aopen+is%3Apr+label%3A%22split%3A+local%22+label%3A%22split%3A+distributed%22+.
#5595, #5589, #5564, #5517 are close to ready and should be possible to merge
soon. #5467
and #5241 still have some open issues (i.e. ones with unknown solutions). If
possible we should try to focus on making progress on those PRs. Ideally they
would all be merged before the split goes through, but it will still be
possible to do them afterwards as well. The PRs will just need to be split up
to target both repositories.
Kind regards,
Mikael
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