When to compile macros

[Wile_E_Coyote]

JIT optimization level?

Hi, You are right the .O option is not yet implemented. Currently we do JIT optimizations equivalent to -O1. If you are interested in comparing the different optimization levels, you could tweak this by modifying the line: interpreter/cling/lib/Interpreter/IncrementalExecutor.cpp:92 to either one of enum Level { None, // -O0 Less, // -O1 Default, // -O2, -Os Aggressive // -O3 }; By definition the JIT (standing for Just-In-Time compiler) cannot yield the same perfo…

Interpreter->declare crashing on long strings

If you don’t use ROOT (where the precompiled header causes trouble if options are not applied consistently across the board), you should be in a much better shape, assuming the sources are recent. I just checked that the inlining fix for sure exists in the latest of those standalone sources (see CIFactory.cpp) and probably has been for a while: Axel’s fix is from July 25. (If whatever you run locally is older, you will want to update.) But actually, looking at it again now, Axel’s fix may not w…

Cling jit and openmp preprocessor directive

Actually, first off, when enabling openmp within ROOT, I just found that Clang does not support the task directive (see here: https://clang.llvm.org/docs/OpenMPSupport.html). And that’s dev (7), whereas Cling contains 5. I was assuming you were working in ROOT b/c of “gInterpreter->Declare()” in the above code. You can make OpenMP work there (I just did ), but you have to make sure to set the EXTRA_CLING_ARGS envar to ‘-fopenmp’ when building ROOT. That will make sure …