On 22 July 2013 16:18, Nathan Hurst <n...@njhurst.com> wrote:
> On Sun, Jul 21, 2013 at 08:25:46PM -0700, Alex Gaynor wrote:
>> No, there currently isn't a way to parallelize building.
>
> Ok.  Is it hard or just low priority?

It's mostly pretty hard, although it's not the same reason through
each of the stages involved - the short answer is that translation
mostly involves walking over graphs, including the inter-procedural
call graph, and propagating information.  In one stage the graph is
known mostly ahead of time, but otherwise it's being built as it goes,
which means the job list probably stays pretty small.  If we managed
to make that stage parallel, we'd probably lose out on the fact that
several of the steps work by mutating the model, so we'd either need a
concurrency model that dealt with that or separate compilation to
work.

--
William Leslie

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