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| author | Rémi Denis-Courmont <remi@remlab.net> | 2023-07-14 22:53:35 +0300 |
|---|---|---|
| committer | Rémi Denis-Courmont <remi@remlab.net> | 2023-07-17 18:48:42 +0300 |
| commit | 3d79afbe700ade76b77de84245f22010e65ce1bb (patch) | |
| tree | 66e2d0082f8ab0b2b4f42e5fd02c0462c63a5433 | |
| parent | d8ea5f50e238a46728bfacc9793804de21fe0193 (diff) | |
| download | ffmpeg-3d79afbe700ade76b77de84245f22010e65ce1bb.tar.gz | |
lavu/fixed_dsp: unroll RISC-V V loop
Before:
butterflies_fixed_c: 804.7
butterflies_fixed_rvv_i32: 348.2
After:
butterflies_fixed_rvv_i32: 308.7
| -rw-r--r-- | libavutil/riscv/fixed_dsp_rvv.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavutil/riscv/fixed_dsp_rvv.S b/libavutil/riscv/fixed_dsp_rvv.S index a91316e1da..6e13395294 100644 --- a/libavutil/riscv/fixed_dsp_rvv.S +++ b/libavutil/riscv/fixed_dsp_rvv.S @@ -23,7 +23,7 @@ // (a0) = (a0) + (a1), (a1) = (a0) - (a1) [0..a2-1] func ff_butterflies_fixed_rvv, zve32x 1: - vsetvli t0, a2, e32, m1, ta, ma + vsetvli t0, a2, e32, m4, ta, ma vle32.v v16, (a0) sub a2, a2, t0 vle32.v v24, (a1) |