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Self-consistency checks? #25

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dfdx opened this issue Sep 4, 2017 · 0 comments
Open

Self-consistency checks? #25

dfdx opened this issue Sep 4, 2017 · 0 comments

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@dfdx
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dfdx commented Sep 4, 2017

Just fixed a bug in eliminate_common - one of many graph transformation subroutines that are deadly hard to debug. To discover issues with such utils we can add self-consistency checks. The simplest one is to evaluate graph before and after transformation and test if some invariants hold. The price for it is a prolonged derivative compilation and so should only be done if a debug option/global var is set.
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