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CTest: prioritize tests by their depth in the dependency graph

This commit is contained in:
Nils Gladitz 2013-10-19 00:38:35 +02:00
parent 44017a4767
commit e809d8cfdf
1 changed files with 45 additions and 4 deletions
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49
Source/CTest/cmCTestMultiProcessHandler.cxx
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@ -441,11 +441,41 @@ int cmCTestMultiProcessHandler::SearchByName(std::string name)
//---------------------------------------------------------
void cmCTestMultiProcessHandler::CreateTestCostList()
{
std::list<TestSet> priorityStack;
priorityStack.push_back(TestSet());
TestSet &topLevel = priorityStack.back();
for(TestMap::const_iterator i = this->Tests.begin();
i != this->Tests.end(); ++i)
{
topLevel.insert(i->first);
}
while(priorityStack.back().size())
{
TestSet &previousSet = priorityStack.back();
priorityStack.push_back(TestSet());
TestSet &currentSet = priorityStack.back();
for(TestSet::iterator i = previousSet.begin();
i != previousSet.end(); ++i)
{
TestSet const& dependencies = this->Tests[*i];
currentSet.insert(dependencies.begin(), dependencies.end());
}
for(TestSet::iterator i = currentSet.begin();
i != currentSet.end(); ++i)
{
previousSet.erase(*i);
}
}
priorityStack.pop_back();
for(TestMap::iterator i = this->Tests.begin();
i != this->Tests.end(); ++i)
{
SortedTests.push_back(i->first);
//If the test failed last time, it should be run first, so max the cost.
//Only do this for parallel runs; in non-parallel runs, avoid clobbering
//the test's explicitly set cost.
@ -457,8 +487,19 @@ void cmCTestMultiProcessHandler::CreateTestCostList()
}
}
TestComparator comp(this);
std::stable_sort(SortedTests.begin(), SortedTests.end(), comp);
for(std::list<TestSet>::reverse_iterator i = priorityStack.rbegin();
i != priorityStack.rend(); ++i)
{
TestSet &currentSet = *i;
TestComparator comp(this);
TestList sortedCopy;
sortedCopy.insert(sortedCopy.end(), currentSet.begin(), currentSet.end());
std::stable_sort(sortedCopy.begin(), sortedCopy.end(), comp);
this->SortedTests.insert(this->SortedTests.end(),
sortedCopy.begin(), sortedCopy.end());
}
}
//---------------------------------------------------------