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Diffstat (limited to 'Makefile.am')
| -rw-r--r-- | Makefile.am | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am index 4d75345..2b888b0 100644 --- a/Makefile.am +++ b/Makefile.am @@ -74,6 +74,29 @@ DATABASE = $(shell test -r test/largedb.sg3 && echo test/largedb || echo test/hi START = $(shell test -r test/largedb.sg3 && perl -e 'print int(rand(4000000)), "\n";' || echo 1) COUNT = 100000 +# Note: There are 4,209,433 games in test/largedb, if you download the files +# from: +# +# ftp://ftp.newartisans.com/pub/chess/largedb.7z +# +# If you have a dual-core CPU (or more), you'll get the best performance by +# running a separate Emacs for each core. Here's how I run all the tests on +# my dual-core MacBook Pro: (Note, removing chess-test is just a precaution, +# since the Makefile will not regenerate it if you aborted a previous test +# run). +# +# chess1 $ rm -f chess-test; nice -n 20 make START=1 COUNT=2104716 check +# chess2 $ rm -f chess-test; nice -n 20 make START=2104716 COUNT=-1 check +# +# I run both of these using `screen', with a vertical split so I can watch +# them both running. I type C-a H in each screen window before starting, so +# that all the output is logged to a file I can examine afterward. +# +# Note that these tests can take days to run. My MacBook Pro gets around +# 2,000 plies per second. If you're a Lisp hacker and want to improve the +# speed of that, the slowness is pretty much all in `chess-search-position', +# in the file chess-pos.el. + chess-test: echo "$(EMACS) -batch -L $(srcdir) -l chess-test.el -f chess-test '$(DATABASE)' $(START) $(COUNT); rm -f $(top_builddir)/chess-test" > $@ chmod u+x $@ |