Re: [ghc-steering-committee] Please review #673: Amendment to -jsem proposal #540

1 Nov 2024


      I'm in support as well, but would like to see the relationship to PVP 
major bumps addressed.


------ Originalnachricht ------
Von "Simon Peyton Jones" 
An "Adam Gundry" 
Cc ghc-steering-committee@haskell.org
Datum 29.10.2024 23:16:20
Betreff Re: [ghc-steering-committee] Please review #673: Amendment to 
-jsem proposal #540
...
I'm supportive.   I do not have a well-informed view, but the amendment 
is born from practical experience, so I am pretty sure it's an 
improvement.
I'd love a bit more detail in the proposal (I have commented in one 
place) but I might be off-target and would yield to others' advice, 
including that of the author.
Simon
On Tue, 29 Oct 2024 at 19:37, Adam Gundry  wrote:
...
It seems Zubin updated the proposal to take account of Sebastian's
concerns, but then discussion has tailed off. Are we now in a position
to accept this proposal, or are there any remaining concerns?
Cheers,
Adam
...
I think changes to the communication protocol *are* user-facing, in
...
any change to the protocol could implies a breaking change between 
all
cabal releases in the future and all GHC releases in the past.
It appears that is the case for the planned release of
`semaphore-compat-2`, but I'm not 100% sure.
In that light, I think it's good to discuss in a proposal to ensure 
we
do not sign off lightly on such breaking changes, in particular for
future versions of `semaphore-compat`.
I will express support once compatibility and breaking changes are
properly addressed.
Sebastian
------ Originalnachricht ------
Von "Arnaud Spiwack" mailto:arnaud.spiwack@tweag.io>
An "Simon Peyton Jones" mailto:simon.peytonjones@gmail.com>
Cc ghc-steering-committee@haskell.org
mailto:ghc-steering-committee@haskell.org
Datum 24.09.2024 04:17:17
Betreff Re: [ghc-steering-committee] Please review #673: Amendment 
to
-jsem proposal #540
...
Quite frankly, this is barely any user-facing change at all.
Technically the semaphore could previously be shared by non-Haskell
processes in ways the updated proposal doesn't allow. But it's not
really something people do. So it all sounds reasonable.
On Mon, 23 Sept 2024 at 19:10, Simon Peyton Jones
mailto:simon.peytonjones@gmail.com> 
wrote:
I'm happy to support too, but I would like to see
...
...
changes, so the final proposal makes sense when read in 5 yrs
time.
...
Simon
On Sat, 21 Sept 2024 at 20:45, Malte Ott mailto:malte.ott@maralorn.de> wrote:
I agree.
On 2024-09-21 09:16, Eric Seidel wrote:
        > Hi all,
        >
        > This seems like a sensible update to an accepted
On 24/09/2024 07:44, Sebastian Graf wrote:
that
presentational
proposal.
...
...
>
        > I recommend we accept the amendment.
        >
        > Eric
        >
        > On Thu, Sep 19, 2024, at 19:00, Erik de Castro Lopo
wrote:
...
> > Hi all,
        > >
        > > This is minor updates to correct an existing approved
        proposal.
        > >
        > > I approve of these changes.
        > >
        > > Erik
        > >
        > > Adam Gundry wrote:
        > >
        > >> Dear Committee,
        > >>
        > >> Zubin Duggal proposes to amend proposal #540, which
        introduced the -jsem
        > >> parallelism control mechanism, so that it can avoid
        incompatibilities
        > >> arising from different system C library
implementations:
...
> >>
        > >>
https://github.com/ghc-proposals/ghc-proposals/pull/673
...
https://github.com/ghc-proposals/ghc-proposals/pull/673
        > >>
        > >>
https://github.com/wz1000/ghc-proposals/blob/new-jsem/proposals/0540-jsem.rs... 
https://github.com/wz1000/ghc-proposals/blob/new-jsem/proposals/0540-jsem.rs...
...
> >>
        > >> I'd like to nominate Eric Seidel as the shepherd,
since
...
he was the
        > >> shepherd of the original proposal.
        > >>
        > >> Please guide us to a conclusion as outlined in
        > >>
https://github.com/ghc-proposals/ghc-proposals#committee-process 
https://github.com/ghc-proposals/ghc-proposals#committee-process
...
> >>
        > >> Cheers,
        > >>
        > >> Adam
--
Adam Gundry, Haskell Consultant
Well-Typed LLP, https://www.well-typed.com/
Registered in England & Wales, OC335890
27 Old Gloucester Street, London WC1N 3AX, England
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