6-Way End-Of-2013 Linux Benchmarks
C-Ray has been made a lot faster on more recent versions of GCC, which is why Red Hat Enterprise Linux 6.5 is lagging so far behind with its use of GCC 4.4.
When it comes to the CPU-intensive benchmarks, it really depends upon the workload and particular code-base for which enterprise Linux distribution does the best based upon its kernel, compiler version, and other configuration choices. Nevertheless, there you have some new basic data for the "out of the box" performance on six modern Linux distributions with an Intel Core i7 3960X EE system. You can carry out your own performance tests using the Phoronix Test Suite and OpenBenchmarking.org.
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