Re: [Qemu-devel] [RFC][PATCH v4 3/3] tcg: Optimize qemu_ld/st by generating slow paths at the end of a block

[Blue Swirl]

On Tue, Aug 28, 2012 at 6:52 AM, Yeongkyoon Lee
<address@hidden> wrote:
>
>>> It's been a long time.
>>>
>>> I've tested the performances of one jump difference when fast qemu_ld/st
>>> (TLB hit).
>>> The result shows 3.6% CoreMark enhancement when reducing one jump where
>>> slow
>>> paths are generated at the end of block as same for the both cases.
>>> That means reducing one jump dominates the majority of performance
>>> enhancement from LDST_OPTIMIZATION.
>>> As a result, it needs extended MMU helper functions for attaining that
>>> performance rising, and those extended functions are used only
>>> implicitly.
>>>
>>> BTW, who will finally confirm my patches?
>>> I have sent four version of my patches in which I have applied all the
>>> reasonable feedbacks from this community.
>>> Currently, v4 is the final candidate though it might need merge with
>>> latest
>>> HEAD because it was sent 1 month before.
>>
>> I think the patches should be applied when 1.3 development opens.
>>
>
> Thanks for your reply.
> How do you estimate when 1.3 development is open?

2012-09-05 according to http://wiki.qemu.org/Planning/1.2