[PATCH] [LNT] Add geometric mean to run report
hfinkel at anl.gov
Fri May 16 10:37:52 PDT 2014
----- Original Message -----
> From: "Hal Finkel" <hfinkel at anl.gov>
> To: "Yi Kong" <kongy.dev at gmail.com>
> Cc: llvm-commits at cs.uiuc.edu, "Chris Matthews" <chris.matthews at apple.com>, "Anton Korobeynikov"
> <anton at korobeynikov.info>
> Sent: Friday, May 16, 2014 12:29:21 PM
> Subject: Re: [PATCH] [LNT] Add geometric mean to run report
> ----- Original Message -----
> > From: "Yi Kong" <kongy.dev at gmail.com>
> > To: "Chris Matthews" <chris.matthews at apple.com>, "Anton
> > Korobeynikov" <anton at korobeynikov.info>
> > Cc: llvm-commits at cs.uiuc.edu
> > Sent: Friday, May 16, 2014 12:08:54 PM
> > Subject: [PATCH] [LNT] Add geometric mean to run report
> > Hi all,
> > This patch implements geometric mean in run report.
> You mean that this is for all tests in the entire test suite
> aggregated into a single number?
> > The idea of geomean is to represent the entire data set and not to
> > get
> > skewed by long running tests. However the major problem with it is,
> > zero time is not allowed. I used a workaround by adding 1 to each
> > value and subtract 1 from the final geomean result. The workaround
> > certainly break the geomean number, but we don't really care the
> > number itself, rather the change of it. It's certainly not the
> > ideal.
> > Is there any better solution or statistics we can use?
> I don't understand this at all. Is the geometric mean not (mul_i^n
On the other hand, I suppose if you include any zeros, then the answer is always zero. Why don't you just exclude values less than 0.1s? Maybe this is no better than what you've proposed.
> Thanks again,
> > Thanks,
> > Yi Kong
> > _______________________________________________
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> Hal Finkel
> Assistant Computational Scientist
> Leadership Computing Facility
> Argonne National Laboratory
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory
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