Re: [rvm-research] Recompilation and OSR

[Colin(Du Li) <daw...@gm...>]

Thanks, Daniel.
I understand OSR better now.

Du

Daniel Frampton wrote:
> 
> My understanding might be a little off, as OSR might have some special
> code
> for dealing with inlining, such as not allowing OSR dependent assumptions,
> but I wanted to make some generic comments about the idea of OSR.
> 
> OSR is required because of certain types of assumptions being used during
> compilation. It is the compiled method (with or without inlining) that may
> be invalid, not the inlined method itself (the original bytecode is always
> ok).
> 
> The checks to see if OSR is required and to request OSR are contained
> within
> the compiled code. If m2 lends itself to assumptions being made that will
> be
> invalidated, then these assumptions may be in compiled code for m1 and m3
> (that inline m2), and the OSR will work from there, not m2 (which might be
> seperately compiled with or without the now invalidated assumptions)
> 
> Cheers,
> Daniel.
> 
> On Mon, Oct 3, 2011 at 2:35 PM, Eliot Moss <mo...@cs...> wrote:
> 
>> Presumably there is a table recording these
>> dependences, i.e., indicating where a method
>> is inlined, etc.
>>
>> Best -- EM
>>
>>
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> definitive record of customers, application performance, security
> threats, fraudulent activity and more. Splunk takes this data and makes
> sense of it. Business sense. IT sense. Common sense.
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> 

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