On Wed, Apr 15, 2026 at 11:40:18AM +0100, Simon Peyton Jones via ghc-devs wrote:
> Zubin, Sam
>
> It turns out that running
> hadrian/build --flavour=release docs --docs=no-sphinx
> is staggeringly slow. Much, much slower than --flavour=perf
>
> Moreover, and even worse, *it seems to virtually always start from scratch*.
> If I interrupt it and immediately re-invoke the same command, it starts
> from where it left off. But if I make any change (e.g. to a comment in a
> GHC source module) it starts again from scratch. There's a trace below.
Perhaps the hadrian "--freeze1" would help? It avoids rebuilding the
stage0 compiler, re-building only stage1.
[ The numbering is a bit suboptimal the "stage0" compiler tree is stage 1
in hadrian, and the "stage1" compiler is stage 2 in hadrian. ]
--
Viktor. 🇺🇦 Слава Україні!
_______________________________________________
ghc-devs mailing list -- [email protected]
To unsubscribe send an email to [email protected]
