Re: [FFmpeg-devel] [PATCH v3 6/9] lavc/vp9dsp: R-V V mc bilin h v

["Rémi Denis-Courmont" <remi@remlab.net>]

Le maanantaina 13. toukokuuta 2024, 19.59.23 EEST uk7b@foxmail.com a écrit :
> From: sunyuechi <sunyuechi@iscas.ac.cn>
> 
> C908:
> vp9_avg_bilin_4h_8bpp_c: 5.2
> vp9_avg_bilin_4h_8bpp_rvv_i64: 2.2
> vp9_avg_bilin_4v_8bpp_c: 5.5
> vp9_avg_bilin_4v_8bpp_rvv_i64: 2.2
> vp9_avg_bilin_8h_8bpp_c: 20.0
> vp9_avg_bilin_8h_8bpp_rvv_i64: 4.5
> vp9_avg_bilin_8v_8bpp_c: 21.0
> vp9_avg_bilin_8v_8bpp_rvv_i64: 4.2
> vp9_avg_bilin_16h_8bpp_c: 78.2
> vp9_avg_bilin_16h_8bpp_rvv_i64: 9.0
> vp9_avg_bilin_16v_8bpp_c: 82.0
> vp9_avg_bilin_16v_8bpp_rvv_i64: 9.0
> vp9_avg_bilin_32h_8bpp_c: 325.5
> vp9_avg_bilin_32h_8bpp_rvv_i64: 26.2
> vp9_avg_bilin_32v_8bpp_c: 326.2
> vp9_avg_bilin_32v_8bpp_rvv_i64: 26.2
> vp9_avg_bilin_64h_8bpp_c: 1265.7
> vp9_avg_bilin_64h_8bpp_rvv_i64: 91.5
> vp9_avg_bilin_64v_8bpp_c: 1317.0
> vp9_avg_bilin_64v_8bpp_rvv_i64: 91.2
> vp9_put_bilin_4h_8bpp_c: 4.5
> vp9_put_bilin_4h_8bpp_rvv_i64: 1.7
> vp9_put_bilin_4v_8bpp_c: 4.7
> vp9_put_bilin_4v_8bpp_rvv_i64: 1.7
> vp9_put_bilin_8h_8bpp_c: 17.0
> vp9_put_bilin_8h_8bpp_rvv_i64: 3.5
> vp9_put_bilin_8v_8bpp_c: 18.0
> vp9_put_bilin_8v_8bpp_rvv_i64: 3.5
> vp9_put_bilin_16h_8bpp_c: 65.2
> vp9_put_bilin_16h_8bpp_rvv_i64: 7.5
> vp9_put_bilin_16v_8bpp_c: 85.7
> vp9_put_bilin_16v_8bpp_rvv_i64: 7.5
> vp9_put_bilin_32h_8bpp_c: 257.5
> vp9_put_bilin_32h_8bpp_rvv_i64: 23.5
> vp9_put_bilin_32v_8bpp_c: 274.5
> vp9_put_bilin_32v_8bpp_rvv_i64: 23.5
> vp9_put_bilin_64h_8bpp_c: 1040.5
> vp9_put_bilin_64h_8bpp_rvv_i64: 82.5
> vp9_put_bilin_64v_8bpp_c: 1108.7
> vp9_put_bilin_64v_8bpp_rvv_i64: 82.2
> ---
>  libavcodec/riscv/vp9_mc_rvv.S  | 43 ++++++++++++++++++++++++++++++++++
>  libavcodec/riscv/vp9dsp_init.c | 21 +++++++++++++++++
>  2 files changed, 64 insertions(+)
> 
> diff --git a/libavcodec/riscv/vp9_mc_rvv.S b/libavcodec/riscv/vp9_mc_rvv.S
> index 5d917e7b98..986cc3760d 100644
> --- a/libavcodec/riscv/vp9_mc_rvv.S
> +++ b/libavcodec/riscv/vp9_mc_rvv.S
> @@ -53,6 +53,49 @@ func ff_avg\len\()_rvv, zve32x
>  endfunc
>  .endm
> 
> +.macro bilin_load dst len op type mn
> +.ifc \type,v
> +        add             t5, a2, a3
> +.elseif \type == h
> +        addi            t5, a2, 1
> +.endif
> +        vle8.v          v8, (a2)
> +        vle8.v          v0, (t5)
> +        vwmulu.vx       v16, v0, \mn
> +        vwmaccsu.vx     v16, t1, v8
> +        vwadd.wx        v16, v16, t4
> +        vnsra.wi        v16, v16, 4
> +        vadd.vv         \dst, v16, v8
> +.ifc \op,avg
> +        vle8.v          v16, (a0)
> +        vaaddu.vv       \dst, \dst, v16
> +.endif
> +.endm
> +
> +.macro bilin_h_v len op type mn
> +func ff_\op\()_bilin_\len\()\type\()_rvv, zve32x
> +.ifc \op,avg
> +        csrwi           vxrm, 0
> +.endif
> +        vsetvlstatic8   \len t0 64
> +        li              t4, 8
> +        neg             t1, \mn
> +1:
> +        addi            a4, a4, -1
> +        bilin_load      v0, \len, \op, \type, \mn
> +        vse8.v          v0, (a0)
> +        add             a2, a2, a3
> +        add             a0, a0, a1
> +        bnez            a4, 1b
> +
> +        ret
> +endfunc
> +.endm
> +
>  .irp len 64, 32, 16, 8, 4

Missing comma after len

>          copy_avg \len
> +        .irp op put avg
> +                bilin_h_v \len \op h a5
> +                bilin_h_v \len \op v a6
> +        .endr
>  .endr
> diff --git a/libavcodec/riscv/vp9dsp_init.c b/libavcodec/riscv/vp9dsp_init.c
> index 1922484a1d..ec6db51774 100644
> --- a/libavcodec/riscv/vp9dsp_init.c
> +++ b/libavcodec/riscv/vp9dsp_init.c
> @@ -63,6 +63,27 @@ static av_cold void vp9dsp_mc_init_riscv(VP9DSPContext
> *dsp, int bpp) init_fpel(3, 8);
>      init_fpel(4, 4);
> 
> +    dsp->mc[0][FILTER_BILINEAR ][0][0][1] = ff_put_bilin_64v_rvv;
> +    dsp->mc[0][FILTER_BILINEAR ][0][1][0] = ff_put_bilin_64h_rvv;
> +    dsp->mc[0][FILTER_BILINEAR ][1][0][1] = ff_avg_bilin_64v_rvv;
> +    dsp->mc[0][FILTER_BILINEAR ][1][1][0] = ff_avg_bilin_64h_rvv;
> +    dsp->mc[1][FILTER_BILINEAR ][0][0][1] = ff_put_bilin_32v_rvv;
> +    dsp->mc[1][FILTER_BILINEAR ][0][1][0] = ff_put_bilin_32h_rvv;
> +    dsp->mc[1][FILTER_BILINEAR ][1][0][1] = ff_avg_bilin_32v_rvv;
> +    dsp->mc[1][FILTER_BILINEAR ][1][1][0] = ff_avg_bilin_32h_rvv;
> +    dsp->mc[2][FILTER_BILINEAR ][0][0][1] = ff_put_bilin_16v_rvv;
> +    dsp->mc[2][FILTER_BILINEAR ][0][1][0] = ff_put_bilin_16h_rvv;
> +    dsp->mc[2][FILTER_BILINEAR ][1][0][1] = ff_avg_bilin_16v_rvv;
> +    dsp->mc[2][FILTER_BILINEAR ][1][1][0] = ff_avg_bilin_16h_rvv;
> +    dsp->mc[3][FILTER_BILINEAR ][0][0][1] = ff_put_bilin_8v_rvv;
> +    dsp->mc[3][FILTER_BILINEAR ][0][1][0] = ff_put_bilin_8h_rvv;
> +    dsp->mc[3][FILTER_BILINEAR ][1][0][1] = ff_avg_bilin_8v_rvv;
> +    dsp->mc[3][FILTER_BILINEAR ][1][1][0] = ff_avg_bilin_8h_rvv;
> +    dsp->mc[4][FILTER_BILINEAR ][0][0][1] = ff_put_bilin_4v_rvv;
> +    dsp->mc[4][FILTER_BILINEAR ][0][1][0] = ff_put_bilin_4h_rvv;
> +    dsp->mc[4][FILTER_BILINEAR ][1][0][1] = ff_avg_bilin_4v_rvv;
> +    dsp->mc[4][FILTER_BILINEAR ][1][1][0] = ff_avg_bilin_4h_rvv;
> +
>  #undef init_fpel
>      }
>  #endif


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