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044b6482c1
evaluator. This was important because the NixOS expressions started to hit 2 MB default stack size on Linux. GCC is really dumb about stack space: it just adds up all the local variables and temporaries of every scope into one huge stack frame. This is really bad for deeply recursive functions. For instance, every `throw Error(format("error message"))' causes a format object of a few hundred bytes to be allocated on the stack. As a result, every recursive call to evalExpr2() consumed 4680 bytes. By splitting evalExpr2() and by moving the exception-throwing code out of the main functions, evalExpr2() now only consumes 40 bytes. Similar for evalExpr(). |
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blacklisting | ||
corepkgs | ||
doc | ||
externals | ||
make | ||
misc | ||
scripts | ||
src | ||
tests | ||
aterm-gc.supp | ||
AUTHORS | ||
bootstrap.sh | ||
ChangeLog | ||
configure.ac | ||
COPYING | ||
INSTALL | ||
Makefile.am | ||
nix.conf.example | ||
nix.spec.in | ||
README | ||
substitute.mk |
For installation and usage instructions, please read the manual, which can be found in `docs/manual/manual.html', and additionally at the Nix website at <http://www.cs.uu.nl/groups/ST/Trace/Nix>. Acknowledgments This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)