From patchwork Wed Jan  9 18:14:47 2013
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Subject: local.conf.sample: Suggest parallelism of twice the number of cores.
Date: Wed, 09 Jan 2013 18:14:47 -0000
From: Robert P. J. Day <rpjday@crashcourse.ca>
X-Patchwork-Id: 42407
Message-Id: <alpine.DEB.2.02.1301091312270.14396@oneiric>
To: OE Core mailing list <openembedded-core@lists.openembedded.org>

To be consistent with the Yocto Quick Start Guide, recommend that
parallelism represent twice the number of cores on a multi-core
machine.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>

---


diff --git a/meta/conf/local.conf.sample b/meta/conf/local.conf.sample
index 859eb93..46187ce 100644
--- a/meta/conf/local.conf.sample
+++ b/meta/conf/local.conf.sample
@@ -24,9 +24,9 @@
 #
 #PARALLEL_MAKE = "-j 4"
 #
-# For a quad-core machine, BB_NUMBER_THREADS = "4", PARALLEL_MAKE = "-j 4" would
-# be appropriate for example.
-
+# If you have a multi-core machine, you would normally set both of these variables
+# to twice the number of cores.  So for a quad-core machine, it would be appropriate
+# to set BB_NUMBER_THREADS = "8" and PARALLEL_MAKE = "-j 8".
 #
 # Machine Selection
 #