Please see my second mail in this thread, where I have comprehensively explained what I mean by atomic types. It is nothing but multiprocessing.Value, which can have an Atomic variant to be used across processes.
>>> On 13-Sep-2019, at 8:37 PM, Rhodri James <rho...@kynesim.co.uk> wrote: >> On 13/09/2019 14:32, Vinay Sharma via Python-ideas wrote: >> As you said there can be lot of possible use cases for the proposed >> feature, since there are lot’s of use cases for a lock. I can tell >> you some cases which I am facing. > > I don't in principle object to having language support for tricky operations, > but I'm a bit concerned that you haven't really defined what atomic types > are. I'm worried that you are trying to make something that is still hard > look easy, and a lot of naive users will fall for it. I have much the same > concern about atomic simple types in C, if it's any comfort. > >> Let’s say I have a parent process which spawns lots of worker >> processes to serve some requests. Now the parent process wants to >> know the statistics about the kind of requests being served by these >> workers. For, example the average time to serve a request by all >> workers combined, number of bad requests, number of stalled requests, >> number of rerouted requests, etc. >> Now, the worker processes will make updates to these variables, which >> the parent can report, and accordingly adjust workers. And, instead >> of locking, it would be much more helpful and easier to use atomic >> values. > > It could be. It could also be completely the wrong answer if you care about > having a consistent set of variables for any given task, or a consistent set > of variables across all tasks, or any number of other possibilities. This is > the kind of attractive cock-up that worries me, I must admit. > > -- > Rhodri James *-* Kynesim Ltd > _______________________________________________ > Python-ideas mailing list -- python-ideas@python.org > To unsubscribe send an email to python-ideas-le...@python.org > https://mail.python.org/mailman3/lists/python-ideas.python.org/ > Message archived at > https://mail.python.org/archives/list/python-ideas@python.org/message/6TRS7HJRUSTFA7DNLPVU74USEWZA62JB/ > Code of Conduct: http://python.org/psf/codeofconduct/ _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/PC765YE4VWCISPFLDULLDN6IB43CAQYK/ Code of Conduct: http://python.org/psf/codeofconduct/
