[ghc-steering-committee] #540: parallelism semaphores, recommendation: *accept*

[Chris Dornan]

I have wanted this for many years.

I have one question which I put in the thread but it really should not get in the way of making things better -- let's iterate.

+1 from me.

Chris

> On 13 Feb 2023, at 01:45, Moritz Angermann <moritz.angermann at gmail.com> wrote:
> 
> > On balance, I think we should accept this proposal and not let the perfect be the enemy of the good.
> 
> I agree with this. An incremental improvement is an improvement. And if need/interest/funding is there can be iterated upon.
> 
> On Mon, 13 Feb 2023 at 5:11 AM, Joachim Breitner <mail at joachim-breitner.de <mailto:mail at joachim-breitner.de>> wrote:
>> Hi,
>> 
>> Am Sonntag, dem 12.02.2023 um 14:01 -0500 schrieb Eric Seidel:
>> > I have two minds about this proposal. On the one hand, it seems
>> > likely to leave performance on the table compared to the alternatives
>> > discussed. But on the other hand, this proposal has already been
>> > implemented and validated by Well-Typed, and it seems like a small
>> > amount of additional complexity for GHC to adapt. (Though I'd love
>> > for someone with more knowledge of GHC internals to opine on the
>> > internal complexity.)
>> > 
>> > On balance, I think we should accept this proposal and not let the
>> > perfect be the enemy of the good.
>> 
>> I agree. Especially given that there is an implementation, I see no
>> good reason why we shouldn’t trust the implementors and authors’s good
>> sense in their design choices.
>> 
>> Cheers,
>> Joachim
>> -- 
>> Joachim Breitner
>>   mail at joachim-breitner.de <mailto:mail at joachim-breitner.de>
>>   http://www.joachim-breitner.de/
>> 
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