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Can compile times be improved from around 10-40 minutes? #7

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Wizek opened this issue Mar 22, 2018 · 0 comments

Wizek commented Mar 22, 2018 •

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On my machine jsaddle-dom takes quite a lot of time to compile.

It usually hangs after this step the most:

Configuring jsaddle-dom-0.9.2.0...
Building jsaddle-dom-0.9.2.0...
Preprocessing library jsaddle-dom-0.9.2.0...
[  1 of 599] Compiling JSDOM.Types      ( src/JSDOM/Types.hs, .stack-work/dist/x86_64-linux/Cabal-1.24.2.0/build/JSDOM/Types.o )

Then the RAM consumption just keeps rising, till around a 2-5GB peak before the modules continue building.

Any idea what could be the culprit?
Could it be the case that GHC is having a hard time processing a package with 599 modules?
Or do other packages with similar module counts compile quicker?
Is there something relatively fundamental at play here?
Or could there be some low hanging fruit to speed this up?
Has there been any efforts to reduce or profile build times so far?

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