The new Mono GC

[Jacob Carlborg]

On 2010-09-03 19:58, Sean Kelly wrote:
> Justin Johansson Wrote:
>
>> On 02/09/10 08:03, bearophile wrote:
>>> Is it possible to try to replace (or just perform experiments) the D GC with this one?
>>>
>>> http://developers.sones.de/2010/09/01/taking-the-new-and-shiny-mono-simple-generational-garbage-collector-mono-sgen-for-a-walk/
>>>
>>> Delegating the creation and management of the D GC to someone else (the Mono team) sounds like a possible way to have a good enough GC.
>>>
>>> Bye,
>>> bearophile
>>
>> Can you elucidate perhaps a little bit about the theory of the Mono GC
>> and why it might be interesting.  Some hypotheses about what makes one
>> GC better than another would be nice topics for discussion.
>
> It sounds pretty nice, but this bullet point could be a problem:
>
> * Uses write barriers to min i mize the work done on minor collections.

Why would write barriers be a problem, could you elaborate?

-- 
/Jacob Carlborg