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Re: [PATCH] NUMA spinlock [BZ #23962]
* Torvald Riegel:
> On Thu, 2019-01-10 at 11:41 -0500, Carlos O'Donell wrote:
>> On 1/10/19 11:32 AM, Florian Weimer wrote:
>> > * Carlos O'Donell:
>> >
>> > > My opinion is that for the health and evolution of a NUMA-aware spinlock
>> > > and MCS lock, that we should create a distinct project and library that
>> > > should have those locks, and then work to put them into downstream
>> > > distributions. This will support key users being able to use supported
>> > > versions of those libraries, and give the needed feedback about the API
>> > > and the performance. It may take 1-2 years to get that feedback and every
>> > > piece of feedback will improve the final API/ABI we put into glibc or
>> > > even into the next ISO C standard as pat of the C thread interface.
>> >
>> > I think it's something taht could land in tbb, for which many
>> > distributions already have mechanisms to ship updated versions after a
>> > release.
>>
>> Absolutely. That's a great idea.
>>
>
> I don't think tbb is a useful vehicle. It would require that many
> applications use the tbb mutexes, which I doubt is the case.
That doesn't really matter because it's a new API anyway.
Thanks,
Florian