Barry Smith <[email protected]> writes:
> Yes, Jed has already transformed himself into a cranky old conservative PETSc 
> developer

Is disinclination to spend effort on something with negative expected
value "conservative"?

Actually, it's almost the definition.  But if you spend time on
legitimately high-risk things, you should expect that with high
probability, they will be a failure.  Thus, it's essential to be
prepared to declare failure rather than lobbying for success (e.g.,
merging) without conclusive data.  Declaring failure in this case may be
hard without access to the hardware to be able to push all the design
corners.

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