subject:"\[FFmpeg\-devel\] \[PATCH 1\/6\] lavc\/ac3dsp\: RISC\-V V ac3_exponent_min"

Re: [FFmpeg-devel] [PATCH 1/6] lavc/ac3dsp: RISC-V V ac3_exponent_min

2023-06-15 Thread Rémi Denis-Courmont

Nihao Le torstaina 15. kesäkuuta 2023, 13.36.40 EEST Peiting Shen a écrit : > From: Shen Peiting > > Find scalar minium optimized by using RVV instructions > > Benchmarks on Spike(cycles): > *exp=1280*4;num_reuse_blocks=5;nb_coefs=16 > ac3_exponent_min_c: 1993 > ac3_exponent_min_rvv: 258 >

[FFmpeg-devel] [PATCH 1/6] lavc/ac3dsp: RISC-V V ac3_exponent_min

2023-06-15 Thread Peiting Shen

From: Shen Peiting Find scalar minium optimized by using RVV instructions Benchmarks on Spike(cycles): *exp=1280*4;num_reuse_blocks=5;nb_coefs=16 ac3_exponent_min_c: 1993 ac3_exponent_min_rvv: 258 *exp=1280*4;num_reuse_blocks=19;nb_coefs=255 ac3_exponent_min_c: 99010 ac3_exponent_min_rvv: 3843