Rémi Denis-Courmont e49f41fb27 lavu/float_dsp: optimise R-V V fmul_reverse & fmul_window ...

Roll the loop to avoid slow gathers.

Before:
vector_fmul_reverse_c:       1561.7
vector_fmul_reverse_rvv_f32: 2410.2
vector_fmul_window_c:        2068.2
vector_fmul_window_rvv_f32:  1879.5

After:
vector_fmul_reverse_c:       1561.7
vector_fmul_reverse_rvv_f32:  916.2
vector_fmul_window_c:        2068.2
vector_fmul_window_rvv_f32:  1202.5

2023-11-23 18:57:18 +02:00

6.5 KiB

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