February 7, 645 PM - Location: Suspenders
How SMPng Works and Why It Doesn't Work The Way You Think, John Baldwin
Modern x86 CPUs have hit a wall in frequency scaling and are now
expanding sideways by adding more cores. Adding more cores does not
magically multiply performance, however. John talks about some of the
reasons that it doesn't.
In 2000, FreeBSD launched a project to multithread its kernel to more
fully take advantage of modern SMP machines. This talk will give an
overview of that project's history and continuing work on improving
scalability.
About the speaker:
John first started using FreeBSD in 1996 and has been an active kernel
developer since 2000. He has worked for various companies that use
FreeBSD including The Weather Channel and Yahoo!. John lives in New
Jersey with his wife and three kids.
****
March 6: Brett Wynkoop on Hacking the BeagleBone with FreeBSD
April 3: Brian Callahan on MIPS on OpenBSD
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