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From "Xiao-Feng Li" <xiaofeng...@gmail.com>
Subject Re: [drlvm][gc] switch the default GC minor collection to semi-space algorithm
Date Fri, 21 Mar 2008 09:34:54 GMT
On Fri, Mar 21, 2008 at 5:02 PM, Stepan Mishura
<stepan.mishura@gmail.com> wrote:
> On 3/20/08, Xiao-Feng Li <xiaofeng.li@gmail.com> wrote:
>  > Hello, since the semi-space algortithm recently developed in Harmony
>  > GC has obviously better performance than the current partial-forward
>  > algorithm when they are used for minor collection, I plan to switch
>  > the default minor collection to semi-space algorithm. The results in
>  > my runs have no new failures with classlib unit tests, drlvm tests and
>  > reg tests, compared to current default GC on Linux/Win 32/64-bit
>  > platforms. Although I have strong confidence that the failure cases
>  > should be minimum, I still expect there be some regressions with other
>  > untested test cases. I hope the semispace GC to be the default in next
>  > milestone build. Please forgive me if the switch causes some
>  > unexpected failures, and GC people will try best to fix the failures
>  > ASAP.
>  >
>
>  Hi Xiaofeng,
>
>  The current snapshot under testing is r639357. As I see you turned on
>  semispace algorithm at r639530. The difference between r639357 and
>  r639530 is only your update: "turn on semispace algorithm as the
>  default minor collection GC"
>
>  So we can build and test r639530 snapshot and compare with results for
>  r639357. That may help you to detect regressions caused by the update.

Great, this helps!

Thanks,
xiaofeng

>  Thanks,
>  Stepan.
>
>
>
>  > Please let me know if anybody has objections. If no objections, I will
>  > make the switch in 12 hours. Thanks for your supports.
>  >
>  > Thanks,
>  > xiaofeng
>  >
>  > --
>  > http://xiao-feng.blogspot.com
>  >
>



-- 
http://xiao-feng.blogspot.com

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