bug#12620: Parallel tests vs fast tests (and beyond)

[Reuben Thomas]

On 11 October 2012 22:12, Jack Kelly <address@hidden> wrote:
>
> We had a discussion along these lines when refactoring elisp
> compilation: in the past it was all done in one big batch. Now it's
> done with an emacs invocation per .el file. The result of that
> discussion was that while you slow down single core machines, the new
> way of doing things fits make's model much better: instead of fiddling
> around with stamp files, the Makefile just has a suffix rule.

That's very interesting, of course that's the way make works naturally
for C programs, and I never thought of changing it (although I read
about how much faster for compiling several files it is, but it only
ever occurred to me that it would be nice to batch up compilations for
building from source, not for development where typically you may only
need to recompile one file).

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