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diff --git a/etc/README.md b/etc/README.md new file mode 100644 index 00000000..c7c67b4a --- /dev/null +++ b/etc/README.md @@ -0,0 +1,36 @@ +# bench.pl +A primitive Perl script to run benches. Currently its only bench is the +usual calculator: it has a lightweight processing part (but not null), so it +is really emphasizing the cost of the whole parsing (including scanning and +I/O). + +Set the envvars `BISON` and `CC` to the programs and flags you want to use. +They default to `bison` and `gcc`. To run a non-installed bison from a +tarball built in _build, I suggest the following. + + BISON=_build/tests/bison CC='gcc -O2' ./bench.pl + +(The `_build/tests/bison` wrapper makes sure that `_build/src/bison` will +use the tarballs' skeletons, not those already installed as a +straightforward use of `_build/src/bison` would.) + +<!-- + +Local Variables: +mode: markdown +fill-column: 76 +ispell-dictionary: "american" +End: + +Copyright (C) 2006, 2009-2015, 2018-2020 Free Software Foundation, Inc. + +This file is part of Bison, the GNU Compiler Compiler. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with no +Invariant Sections, with no Front-Cover Texts, and with no Back-Cover +Texts. A copy of the license is included in the "GNU Free +Documentation License" file as part of this distribution. + +--> |