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Improved cutoff check when reparenting

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Check for a cutoff occurred also high in
the tree and not only at current split
point.

This avoids some more wasted reparenting.

No functional chnage.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-04-16 14:19:22 +02:00
parent f59323b56a
commit 5392007a24
1 changed files with 2 additions and 2 deletions
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4
src/search.cpp
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@@ -1871,7 +1871,7 @@ void Thread::idle_loop(SplitPoint* sp_master) {
// where we are available as a possible slave. // where we are available as a possible slave.
if ( this->is_available_to(th) if ( this->is_available_to(th)
&& spCnt > 0 && spCnt > 0
&& !latest->cutoff && !th->cutoff_occurred()
&& latest->slavesMask == latest->allSlavesMask && latest->slavesMask == latest->allSlavesMask
&& more_than_one(latest->allSlavesMask)) && more_than_one(latest->allSlavesMask))
{ {
@@ -1882,7 +1882,7 @@ void Thread::idle_loop(SplitPoint* sp_master) {
// of a race storm here ! // of a race storm here !
if ( this->is_available_to(th) if ( this->is_available_to(th)
&& spCnt == th->splitPointsCnt && spCnt == th->splitPointsCnt
&& !latest->cutoff && !th->cutoff_occurred()
&& latest->slavesMask == latest->allSlavesMask && latest->slavesMask == latest->allSlavesMask
&& more_than_one(latest->allSlavesMask)) && more_than_one(latest->allSlavesMask))
{ {