Added vpu optimized mean int8 - #221
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McCrea
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Jul 24, 2026
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Accelerate mean_int8 when running in xs3 instruction with VPU
mean_int8 will use mean_in8_mean when
Inside mean_int8 it will use s32_to_f32 from xcore_math to quickly convert int32_t data to float.
This PR also provided a 2x faster asm for rounding float to int8_t