tbb gcc clang #4
Merged
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#3
Since not all compilers support parallel execution without linking to TBB, we add a flag to fall back to sequential calculation of the results.
The CMake in the example folder also shows how to link to TBB (also added it to the README as a note).
If a user is on a compiler which would need TBB for parallel execution but does not want to include TBB, we added a fallback with a sequential mode.