Great news.

I have two questions:
1. We knows JSC have 4 tiers, LLint => Baseline JIT ==> DFG ==> FLT, after 
v8 shipped new architecture,  how many tiers does V8 have?
2. Whether the code cache of new architecture is byte code generated by 
Ignition? 

Albert.


On Thursday, March 9, 2017 at 9:18:40 PM UTC+8, Michael Hablich wrote:
>
> Hi,
>
> We already announced 
> <https://groups.google.com/d/msg/v8-dev/YXpjhVeHlbI/iiYlrF8vCgAJ> our 
> plans to switch on V8's new compiler architecture based on 
> Ignition+TurboFan a few weeks ago. This just happened (CL: V8 repo 
> <https://chromium.googlesource.com/v8/v8/+/0f716acadaed1d9e194593543dbe1340d600d6fc>
>  
> and Chromium repo 
> <https://chromium.googlesource.com/chromium/src/+/5e921f820bc0a86566e25b279019ba965535230e>
> )!
>
> This change is currently rolling into Chromium and running through 
> Chromium's whole test machinery. Rest assured that we already A/B-tested 
> the new pipeline extensively on Chromeperf, Clusterfuzz and Chrome 
> Canary/Dev. We don't anticipate regressions except on some traditional 
> synthetic JavaScript benchmarks like Octane.
>
> Nevertheless, if you spot any regressions or failures please block this 
> rollout tracking bug 
> <https://bugs.chromium.org/p/chromium/issues/detail?id=698746>. We will 
> than work on resolving those blockers.
>
> If you have questions, please do not hesitate to contact me.
>
> Cheers,
>
> Michael
>
> PS: The launch bug is crbug.com/692409 
> <https://bugs.chromium.org/p/chromium/issues/detail?id=692409>
> PPS: Added on-duty sheriffs to CC.
>

-- 
-- 
v8-dev mailing list
[email protected]
http://groups.google.com/group/v8-dev
--- 
You received this message because you are subscribed to the Google Groups 
"v8-dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/d/optout.

Reply via email to