[v8-users] Re: V8 snapshots

[Zac Hansen]

Can you post a minimal complete example that reproduces your problem?

On Friday, September 1, 2017 at 8:57:51 AM UTC-7, Francisco Moraes wrote:
>
> Hello,
>
> I am trying to create a snapshot that includes most of code but I ran into 
> the following assertion:
>
>   CHECK(isolate->handle_scope_implementer()->blocks()->is_empty());
>
> Any clarifications about what would generate it that our JS code is doing 
> and is not legal? I found that creating Unsafe Arrays is also not permitted 
> but that is relatively easy to work around.
>
> Francisco
>

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Re: [v8-users] How to log javascript calls

[Jakob Kummerow]

Have you found the existing --trace flag? Does it fit your needs?

On Fri, Sep 1, 2017 at 8:45 AM, Huginn  wrote:

> Hi, I would like to be able to make a patch that allows one to log all
> javascript calls when loading a webpage. I was wondering what resources i
> would need to look at to achieve this. Thanks
>
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[v8-users] V8 snapshots

[Francisco Moraes]

Hello,

I am trying to create a snapshot that includes most of code but I ran into 
the following assertion:

  CHECK(isolate->handle_scope_implementer()->blocks()->is_empty());

Any clarifications about what would generate it that our JS code is doing 
and is not legal? I found that creating Unsafe Arrays is also not permitted 
but that is relatively easy to work around.

Francisco

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[v8-users] How to log javascript calls

[Huginn]

Hi, I would like to be able to make a patch that allows one to log all 
javascript calls when loading a webpage. I was wondering what resources i 
would need to look at to achieve this. Thanks

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Re: [v8-users] How extract the pure javascript from real-world website, in order to test V8 js engine performance?

[michael lee]

Hi Jakob,

Thanks for your answer. Originally, I focused on the Telemetry testing 
framework, and the trace files, such as .html and .json files, were 
generated. But I need still to figure out the Javascript execution 
durations from the .html files. So I expect to get some pure JS on 
real-world websites. Thanks again. 

Best Regards,
Michael

On Wednesday, August 30, 2017 at 7:35:03 PM UTC+2, Jakob Kummerow wrote:
>
> Hi Michael,
>
> extracting JavaScript from websites is really difficult, due to the fact 
> that it usually interacts with the DOM and the network (as well as possibly 
> various browser APIs like Service Workers, IndexedDB, etc). If you find a 
> good way to do this, please let us know!
>
> The best solution we have so far is Web Page Replay 
> . It requires a full 
> browser, not just d8.
>
> Good luck!
>
> Jakob
>
> On Wed, Aug 30, 2017 at 8:42 AM, michael lee  > wrote:
>
>> Hi guys,
>>
>> I am new to v8 and trying to test v8 javascript engine performance with 
>> the pure javascript on some top real-world websites, such as youtube, 
>> facebook, etc.
>> I know how to test v8 with octane benchmark suite, but expect to run some 
>> JS on real-world websites.
>> Very appreciate it.
>>
>> Best Regards.
>>
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