Ubuntu 12.10: 32-bit vs. 64-bit Linux Performance
Written by Michael Larabel in Operating Systems on 14 October 2012. Page 8 of 8. 47 Comments

Minion is one of the rare workloads where the 32-bit version was generally faster than 64-bit.

Server workloads also tend to benefit from using 64-bit binaries.

Hopefully with Ubuntu 12.10 the 64-bit version will be better promoted by default over the 32-bit version. The 64-bit version of Ubuntu Linux is generally much faster, all modern x86 hardware supports 64-bit instructions, and previous major limitations of 64-bit Linux have all since been addressed.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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