ruby-core

Issue #14739 has been updated by cremes (Chuck Remes).


I'd like to link this to another open issue regarding Fiber migration between threads. https://bugs.ruby-lang.org/issues/13821

@ioquatix, please note in the above-referenced bug that I put in a link to the "boost" documentation regarding coroutine movement between threads. An explicit API to lock/unlock ownership of the fiber to a thread would probably resolve some of the complaints people raise about fiber migration. If it's explicit, more guarantees can be made. Default behavior should be the current behavior where Fibers cannot migrate.

Thanks for your work on this.

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Feature #14739: Improve fiber yield/resume performance
https://bugs.ruby-lang.org/issues/14739#change-72429

* Author: ioquatix (Samuel Williams)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
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I am interested to improve Fiber yield/resume performance.

I've used this library before: http://software.schmorp.de/pkg/libcoro.html and handled millions of HTTP requests using it.

I'd suggest to use that library.

As this is used in many places in Ruby (e.g. enumerable) it could be a big performance win across the board.

Here is a nice summary of what was done for RethinkDB: https://rethinkdb.com/blog/making-coroutines-fast/

Does Ruby currently reuse stacks? This is also a big performance win if it's not being done already.



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