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[LLVMdev] [Polly] Analysis of the expensive compile-time overhead of Polly Dependence pass
2013 Jul 28
0
[LLVMdev] [Polly] Analysis of the expensive compile-time overhead of Polly Dependence pass
...copInfo.h b/include/polly/ScopInfo.h > index 8c56582..bab7763 100755 > --- a/include/polly/ScopInfo.h > +++ b/include/polly/ScopInfo.h > @@ -445,6 +445,7 @@ class Scop { > /// The isl_ids that are used to represent the parameters > typedef std::map<const SCEV *, int> ParamIdType; > ParamIdType ParameterIds; > + ParamIdType ParameterIdsSpace; Why are you introducing another member variable here? Why don't you keep using ParameterIds? What is the this variable supposed to track? > diff --git a/lib/Analysis/Dependences.cpp b/lib/Analysis/Dependences.cpp &...
[LLVMdev] [Polly] Analysis of the expensive compile-time overhead of Polly Dependence pass
2013 Jul 26
6
[LLVMdev] [Polly] Analysis of the expensive compile-time overhead of Polly Dependence pass
Hi Sebastian, Recently, I found the "Polly - Calculate dependences" pass would lead to significant compile-time overhead when compiling some loop-intensive source code. Tobias told me you found similar problem as follows: http://llvm.org/bugs/show_bug.cgi?id=14240 My evaluation shows that "Polly - Calculate dependences" pass consumes 96.4% of total compile-time overhead