Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation

[Artyom Tarasenko]

On Wed, Sep 9, 2015 at 6:18 PM, Paolo Bonzini <address@hidden> wrote:
>
>
> On 09/09/2015 17:05, Artyom Tarasenko wrote:
>> Hi Richard,
>>
>> On Tue, Sep 8, 2015 at 9:00 PM, Richard Henderson <address@hidden> wrote:
>>> On 09/08/2015 11:56 AM, Peter Maydell wrote:
>>>> My sparc test image (which is just the 32-bit debian from
>>>> Aurelien's website) boots fine even with this patchset...
>>>
>>> Odd, it shouldn't.  ;-)
>>>
>>> Anyway, I've just fixed the sparc problem and re-pushed the tree to
>>>
>>>   git://github.com/rth7680/qemu.git tcg-search-2
>>>
>>> for anyone who wants to do any more testing.
>>
>> Great work! Both debian wheezy/sparc and debian sid/sparc64 work.
>> My benchmark (running g++ as described here [1]) shows ~3x speed up
>> factor. Not bad!
>
> Does the optimizer still make things slower?

Haven't tried without it yet, but would be surprised if it still does:
tcg_optimize doesn't appear in the "perf top" output anymore.
At least not in the benchmark I use.

Artyom


-- 
Regards,
Artyom Tarasenko

SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu