Ubuntu 13.10 32-bit vs. 64-bit Performance
Written by Michael Larabel in Operating Systems on 25 July 2013. Page 4 of 4. 43 Comments

C-Ray and Smallpt are two more workloads that really benefit from 64-bit Linux.

Audio/video encoding also tends to do really well as 64-bit.

The only test case where 32-bit Ubuntu 13.10 was performing well ahead of the 64-bit build was with the Apache web server and our simple single-system test of it.

Additional benchmark results can be found on OpenBenchmarking.org.


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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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