Commit 5e9ca9ec authored by Dr. Michael Petter's avatar Dr. Michael Petter

more precise timings added

parent 3219b8f3
......@@ -38,10 +38,11 @@ Get the LLVM source code from [here](https://releases.llvm.org/download.html). T
cd llvm_build
# important: Don't forget to restrict to X86, otherwise prepare for a day of compiling
cmake ../llvm-10.0.0-src -DLLVM_TARGETS_TO_BUILD=X86
# 4x parallelized make, which will probably fail due to RAM consumption
make -j4
# make -j1 in order to catch up, where the parallel make aborted
On a 4 core i7-8550U this may take up to 3h.
The parallel make may run out of memory at the end. You can restart it sequentially by issuing another `make -j1`.
On a 4 core i7-8550U with 16GB RAM this may take up to 1:15h, with an additional 0:15h for a sequentially run make ( `make -j1` ) to account for a poor man's RAM equipment.
If there are errors regarding missing header files, you probably need to rebuild llvm.
......
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