GCC 15 outperforms LLVM 21 in four of six tested applications on real RVV hardware while both compilers show immaturity on complex memory patterns; default LMUL choices are near-optimal.
https://github.com/camel-cdr/rvv- bench
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Closer in the Gap: Towards Portable Performance on RISC-V Vector Processors
GCC 15 outperforms LLVM 21 in four of six tested applications on real RVV hardware while both compilers show immaturity on complex memory patterns; default LMUL choices are near-optimal.