Hi Gary,
On 26.09.2013 02:08, Gary Oberbrunner wrote:
[...]
I think this is excellent work! Solid analysis. I know there's been
some thought given to caching subst() before; it's trickier than one
might think but in many cases it should work, and it definitely speeds
things up. I'm also impressed by a 30% memory reduction -- interested
to hear how that comes out.
it will definitely take some more time. Not only subst() is quite
tricky, but getting cyclic dependencies out of the way for
garbage-collecting Nodes means a lot of fiddling. But there should be
some light at the end of the tunnel soon....
By the way: Does anybody know of a use case for having more than one FS
during a build or interactive mode? I've wondered many times now, why on
earth we keep a reference to the current DefaultFS in each Node? After
all I don't see any place in the source code where I could initialize a
second one, or one that's different from the Default FS...
Have you seen the speed and memory tests the buildbots used to run?
Not sure what their status is these days but perhaps your tests could
be integrated into them at some point.
Yes, I considered using them. But as far as I know, they rely on
everything that's being run to be a packaged archive and you always have
to write some sort of config file. That's what put me off a little bit,
and so I stuck to my own scripts/packages and developed them further...
Regards,
Dirk
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