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> 2. Running lnt several times on the same unmodified clang+llvm binaries gives > different results (execution time can vary wildly : ~200%). I am running lnt > on linux/x86_64. I tried to deactivate the cpufreq thing, the machine was not > loaded, but this did not change. Is there any way to run the tests multiple > times and use statistics to get reproducible numbers (within a

While porting my backends to llvm-3.2, I found a few places where the optimizers could have performed better. I believe the mainstream targets can also benefits from my tweaks. But before upstreaming my changes, I would like to quantify their merits on other applications --- not just my domain specific codes. In a word, it seemed the right time for me to start using LNT :) I followed the