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-rw-r--r--.travis.yml2
-rwxr-xr-xvalidate17
2 files changed, 10 insertions, 9 deletions
diff --git a/.travis.yml b/.travis.yml
index 5c847dac7c..f8829feeb1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -50,4 +50,4 @@ script:
- if [ "$DEBUG_STAGE2" = "YES" ]; then echo 'GhcStage2HcOpts += -DDEBUG' >> mk/validate.mk; fi
# Don't use --quiet, as it might cause the testsuite to not print output for
# over 10 minutes, causing Travis to kill our job.
- - CPUS=2 SKIP_PERF_TESTS=YES ./validate --fast
+ - THREADS=3 SKIP_PERF_TESTS=YES ./validate --fast
diff --git a/validate b/validate
index 57977fa077..ab1cc01a33 100755
--- a/validate
+++ b/validate
@@ -20,17 +20,18 @@ Flags:
HTML generated here: testsuite/hpc_output/hpc_index.html
--fast Omit dyn way, omit binary distribution
--slow Build stage2 with -DDEBUG. Skips tests that call
- `compiler_stats_num_field`.
+ compiler_stats_num_field.
2008-07-01: 14% slower than the default.
- --dph: Also build libraries/dph and run associated tests.
- --quiet: More pretty build log.
+ --dph Also build libraries/dph and run associated tests.
+ --quiet More pretty build log.
See Note [Default build system verbosity].
--help shows this usage help.
- Set environment variable 'CPUS' to number of cores, to exploit
- multiple cpu cores, e.g.
+ validate runs 'make -j\$THREADS', where by default THREADS is the number of
+ cpus your computer has +1. You can set the environment variable THREADS to
+ override this. For a sequential build you would for example use
- CPUS=8 ./validate
+ THREADS=1 ./validate
EOF
}
@@ -121,8 +122,6 @@ detect_cpu_count () {
# nothing helped
CPUS="1"
fi
-
- echo "using ${CPUS} CPUs" >&2
}
detect_cpu_count
@@ -139,6 +138,8 @@ else
threads="$THREADS"
fi
+echo "using THREADS=${threads}" >&2
+
if type gmake > /dev/null 2> /dev/null
then
make="gmake"