On May 25, 2012, at 5:50 PM, Jorge wrote:
> On May 25, 2012, at 5:43 PM, mscdex wrote:
>> On May 25, 11:38 am, Jorge <jo...@jorgechamorro.com> wrote:
>>> On May 25, 2012, at 5:26 PM, Arnout Kazemier wrote:
>>> 
>>>> I was referring tohttps://github.com/v8/v8/tree/bleeding_edge
>>> 
>>> Thanks but no, thanks. I'm not going to install that yet... :-P
>> 
>> I'd at least try latest v8 3.10.x. I know it had some performance
>> increases that may be relevant to this particular test (I'm thinking
>> of the fix that came out of the threads_a_gogo thread).
> 
> I'll try that, but IIRC that cocktail made node crash, isn't it?

With <https://github.com/v8/v8/zipball/3.10>

$ node -e 'console.log(process.versions)'
{ node: '0.6.6',
  v8: '3.10.8.4',
  ares: '1.7.5-DEV',
  uv: '0.6',
  openssl: '0.9.8l' }
Segmentation fault // to begin with... :-P

$ time node -e 'var i=1e7; while(i--);'
Segmentation fault // cool

real    0m3.525s
user    0m3.131s
sys     0m0.020s

$ time jsc -e 'var i=1e7; while(i--);'

real    0m0.050s
user    0m0.042s
sys     0m0.007s

$ time node -e '(function() { var i=1e7; while(i--); })()'
Segmentation fault  // very well

real    0m0.389s
user    0m0.042s
sys     0m0.012s

$ time jsc -e '(function() { var i=1e7; while(i--); })()'

real    0m0.044s
user    0m0.036s
sys     0m0.007s

$ time node -e '0'
Segmentation fault  // awesome

real    0m0.363s
user    0m0.026s
sys     0m0.011s

$ time jsc -e '0'

real    0m0.012s
user    0m0.005s
sys     0m0.006s

So: to graft a v8 3.10.8.4 into a node 0.6.6 is rather futile...
-- 
Jorge.

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