Hello,

Le jeudi 01 juin 2017 à 11:29 +0000, john.dall...@siemens.com a écrit : 
> This is potentially interesting for what I do. Is the documentation at
> http://edf-hpc.github.io/verrou/vr-manual.html up to date? 
Yes, it should be.

> Something that would be very useful would be control of the seed of
> the random number generator, so that we could repeat and debug cases
> that gave strange results. 
I actually think we had this feature in earlier versions of Verrou, and
I'm not sure when and how it disappeared. But I opened an issue on
Github (https://github.com/edf-hpc/verrou/issues/3) and will
(re)introduce this feature as soon as I can.

> The code I work on is a large mathematical modeller, with perhaps
> 70,000 functions. Rather than using an exclusion file, it would be
> very useful to have an inclusion file as an alternative, where one
> could specify only the functions that should be subject to
> perturbation. We'd like this because it’s quite difficult to
> adequately test various numerical algorithms outside the context of
> the modeller.
This one is also in our todo list. One way to avoid the problem is to
let Verrou generate the whole list of functions it encounters during a
test run, and then provide this list as an exclusion list. If you give
the full list, nothing will be perturbed; if you comment some functions
in the list, only these functions will be perturbed. The generation of
exclusion lists is documented here:
http://edf-hpc.github.io/verrou/vr-manual.html#idm6262

Thank you for your interest in Verrou. Best regards,

    François

--
François FÉVOTTE
Research Engineer
EDF – R&D – PERICLES
I23 (Analysis and Numerical Modeling)
7 boulevard Gaspard Monge
91120 Palaiseau

francois.fevo...@edf.fr
Phone: +33 1 78 19 44 23 







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