This commit:
commit 5577a47a390782d7ab911c2e3c4c8be1b0341aa8
Author: Rich Hickey <richhic...@gmail.com>
Date: Sat Feb 7 14:46:56 2009 +0000
added sync to writeClassFile
Adds a 'sync()' call to the class file write. On systems where the
underlying fsync() call causes a flush all the way to disk (Linux)
this makes AOT compilation about an order of magnitude slower,
especially given the large number of functions in typical clojure
code.
Anyone know the history behind this? It makes AOT compilation on
Linux about 5x slower than on OSX.
The call to sync() takes longer than the compilation did. It would be
a win to just clean all of the class files and rebuild after a crash.
The current behavior makes working off of battery on a laptop
unworkable, since it keeps the harddisk from spinning down.
These are just the output of the compiler, easily regenerated.
David
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