A Look At Ubuntu 10.04 To Ubuntu 18.04 Linux Performance
The Redis NoSQL server performance has improved on the i7-990X and i5-2500K systems with time but the i7-4960X is now the box that's been regressing.
The Python performance has gotten a bit better with age, including through Ubuntu 18.04 LTS.
PHPBench sees the most benefit across the board, when going from 14.04 LTS to 16.04 LTS due to the transition from PHP5 to PHP7. Ubuntu 18.04 with its migration to PHP 7.2 is delivering even better performance as we have seen in our PHP benchmarking with the 7.x releases shaping up quite nicely.
For the most part these results show the Ubuntu LTS performance continuing to move in the right direction and many workloads have improved over time with better results thanks to the evolution of the Linux kernel, GCC, etc. There are several workloads where those running on Ubuntu 16.04 LTS will see better out-of-the-box performance in moving from 18.04 LTS. There are likely to be more scenarios too that benefit from the 18.04 upgrade, particularly with newer Intel/AMD platforms. More benchmarks of 16.04 vs. 18.04 with newer platforms where not focusing on a long-term performance comparison will be possible and published in April on Phoronix. As good as Ubuntu 18.04 LTS is performing, we know in many workloads the hardware hasn't hit its true performance potential as we can see from our various benchmarks when comparing to Clear Linux and others where Intel's heavily-optimized distribution still shows the potential for significant gains.
Most surprising from these results today though is arguably with the Core i7 990X and how much worse its performance has been in many benchmarks since the 14.04 release. At least though whatever the cause may be doesn't seem to affect the newer hardware platforms.
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