Ubuntu 32-bit, 32-bit PAE, 64-bit Kernel Benchmarks
With the PostgreSQL benchmark, the 32-bit PAE kernel ended up actually doing slightly better than the non-PAE kernel, but the 64-bit Ubuntu kernel came out in front with over a 10% lead.
One of the new test profiles in the Phoronix Test Suite is for the Bullet Physics Engine, which we fired up with this round of kernel benchmarking. The two 32-bit kernels led to roughly the same performance with the "3000 Fall" test through Bullet while the 64-bit kernel was nearly 20% faster for this heavy physics processing.
The 64-bit kernel remained the best option with Bullet when looking at the 136 Ragdolls test.
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