[MacPorts] #49610: sbcl 1.3 fails to build
MacPorts
noreply at macports.org
Wed Dec 9 10:17:38 PST 2015
#49610: sbcl 1.3 fails to build
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Reporter: glen@… | Owner: easieste@…
Type: defect | Status: new
Priority: Normal | Milestone:
Component: ports | Version: 2.3.4
Resolution: | Keywords: elcapitan
Port: sbcl |
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Comment (by glen@…):
More information on this bug - either the OSX Yosemite default setting for
Unix sockets, buffers, locks, mutexes, etc. are poorly optimized, or
something was screwy regarding these settings for my personal machine, as
making such system calls on my 2.4 GHz 12 core Mac Pro is clearly far
slower than even on my 1.7 GHz Macbook Air. In any case, creating an
/etc/sysctl.conf and using the optimized settings from the following
website:
https://rolande.wordpress.com/2014/05/17/performance-tuning-the-network-
stack-on-mac-os-x-part-2/
not only completely clears up the sbcl build problem, but the build
actually completes several minutes faster now than on the Macbook Pro.
This is presumably because the more than 1 million locking mutex system
calls that are generated by sbcl's sb-concurrency self tests can now
complete without tripping the 60-second watchdog timer.
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Ticket URL: <https://trac.macports.org/ticket/49610#comment:6>
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