[Openmp-dev] Offloading application build with a Trunk Debug Clang is so slow

Doerfert, Johannes via Openmp-dev openmp-dev at lists.llvm.org
Thu Dec 19 15:35:51 PST 2019


On 12/19, Itaru Kitayama wrote:
> On POWER8, my app builds 40 minutes with the Debug Clang (40 times increase
> of time, when
> it is built with Release Clang), but on an x86 host, it just takes about 10
> minutes and it is bearable.
> 
> Could this be PowerPC specific, is it why most people aren't aware of the
> slowness?

That could most certainly be. Alexey should build on Power regularly though.


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