Hei,
> -原始邮件-发件人:"Rémi Denis-Courmont" 发送时间:2023-06-16
> 03:25:07 (星期五)收件人:ffmpeg-devel@ffmpeg.org抄送:"Shen Peiting"
> 主题:Re: [FFmpeg-devel] [PATCH 3/6]
> lavc/ac3dsp: RISC-V V ac3_sum_square_butterfly_int32
>
> Le torstaina 15. kesäkuuta 20
Le torstaina 15. kesäkuuta 2023, 13.36.42 EEST Peiting Shen a écrit :
> From: Shen Peiting
>
> Scalar calculating int32 sum_square optimized by using RVV instructions
>
> Benchmarks on Spike(cycles):
> len=128
> ac3_sum_square_butterfly_int32_c: 8497
> ac3_sum_square_butterfly_int32_rvv: 258
>
From: Shen Peiting
Scalar calculating int32 sum_square optimized by using RVV instructions
Benchmarks on Spike(cycles):
len=128
ac3_sum_square_butterfly_int32_c: 8497
ac3_sum_square_butterfly_int32_rvv: 258
len=1280
ac3_sum_square_butterfly_int32_c: 84529
ac3_sum_square_butterfly_int32_rvv:
