[LLVMdev] LNT usage

Michael Gottesman mgottesman at apple.com
Mon Mar 11 14:21:09 PDT 2013

> 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 confidence 
> interval) ? Or to handle the stats at the 'lnt import' stage ? Or in the web 
> display ? In the web display, how to use the 'run' and 'order' fields ?

Run "lnt runtest nt --help". = ).


> Thanks for any hint.
> Cheers,
> --
> Arnaud de Grandmaison
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