T-Head C908:
quant_bands_signed_c:        576.0
quant_bands_signed_rvv_f32:   48.7
quant_bands_unsigned_c:      414.2
quant_bands_unsigned_rvv_f32: 31.7

SpacemiT X60:
quant_bands_signed_c:        497.7
quant_bands_signed_rvv_f32:   23.0
quant_bands_unsigned_c:      353.5
quant_bands_unsigned_rvv_f32: 16.2