February 7th, 2025

GCC 15 Compiler Showing Off Nice Performance Improvements on AMD Zen 5

GCC 15 compiler shows significant performance improvements for AMD's Zen 5 architecture, with most applications experiencing gains, while only a few workloads face regressions, enhancing software development efficiency.

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GCC 15 Compiler Showing Off Nice Performance Improvements on AMD Zen 5

The GCC 15 compiler has demonstrated notable performance improvements when compiling applications for AMD's Zen 5 architecture. Benchmarks indicate that most applications built with GCC 15 show consistent performance gains, with only a few workloads experiencing regressions. This suggests that the new compiler version optimizes software effectively for the latest AMD processors, enhancing overall efficiency and speed. The article highlights the significance of these improvements in the context of software development and performance tuning for AMD hardware.

- GCC 15 compiler shows performance improvements on AMD Zen 5.

- Most applications compiled with GCC 15 exhibit consistent performance gains.

- Only a few workloads experience performance regressions with GCC 15.

- The improvements are significant for software development and optimization on AMD processors.

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By @Bancakes - 3 months
Clang 18 scores about the same as gcc 14 in runtime performance (with optimisation flags).

So gcc 15 is plentifully faster than clang 18 as well, transitively.

https://www.phoronix.com/review/gcc14-clang18-amd-zen4/5