I have checked the code, as following:

 if (WOPT_Enable_Edge_Placement && phase == MAINOPT_PHASE) {
    INT count = comp_unit->Cfg()->Remove_critical_edge();

So it seems that critical edge won't exists in WOPT,
if WOPT_Enable_Edge_Placement is TRUE.

Thanks.


On Fri, Aug 27, 2010 at 1:08 PM, Hucheng Zhou <zhou.huch...@gmail.com>wrote:

> About implementation:)
>
> Conceptually,  if critical edge exists, then we cannot derive the edge
> profile from node profile. However, I want to address that critical edge is
> easy to be split, and node profile is enough.
>
> As for Open64, edge profile is provided at WOPT, but there is no any user
> of profiling information in WOPT.
>
> Thanks.
>
> On Fri, Aug 27, 2010 at 12:39 PM, Sun Chan <sun.c...@gmail.com> wrote:
>
>> is your question about implementation, or about concept?
>> Sun
>>
>> On Fri, Aug 27, 2010 at 11:04 AM, Hucheng Zhou <zhou.huch...@gmail.com>
>> wrote:
>> > Hi:
>> >   Is there critical edges existed in WOPT? One edge is said to be
>> critical
>> > edge that its source node has more than one outgoing edges, and
>> meanwhile,
>> > its destination node has more than one incoming edge.
>> >   Thanks.
>> >
>> > --
>> > Institute of High Performance Computing,
>> >
>> > Department of Computer Science and Technology,
>> >
>> > Tsinghua University, Beijing, China, 100084.
>> >
>> >
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>> > Sell apps to millions through the Intel(R) Atom(Tm) Developer Program
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>> >
>>
>
>
>
> --
> Institute of High Performance Computing,
>
> Department of Computer Science and Technology,
>
> Tsinghua University, Beijing, China, 100084.
>



-- 
Institute of High Performance Computing,

Department of Computer Science and Technology,

Tsinghua University, Beijing, China, 100084.
------------------------------------------------------------------------------
Sell apps to millions through the Intel(R) Atom(Tm) Developer Program
Be part of this innovative community and reach millions of netbook users 
worldwide. Take advantage of special opportunities to increase revenue and 
speed time-to-market. Join now, and jumpstart your future.
http://p.sf.net/sfu/intel-atom-d2d
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