gcc-14		clang-18	clang-19
sandy bridge	2,1		2.3		4.2
zen 4		1.0		1.1		1.1
amd k10		5.2		5.3		5.8
cortex-a72	6.5		6.4		9.5
risc-v-jh7110	39.2		46.9		47.7