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N
ffmpeg-0.6.3
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v0.5
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v0.6
v0.6.1
${ noResults }
Rémi Denis-Courmont
39ced529b0
Unlike x86, fmin/fmax are single instructions, not function calls. They are much much faster than doing a comparison, then branching based on its results. With this, audiodsp.vector_clipf gets almost twice as fast, and a properly unrollled version of it gets 4-5x faster, on SiFive-U74. This is only the low-hanging fruit: FFMIN and FFMAX are presumably affected as well. This likely applies to other instruction sets with native IEEE floats, especially those lacking a conditional select instruction. |
6 months ago | |
|---|---|---|
| .. | ||
| Makefile | riscv: probe for Zbb extension at load time | 7 months ago |
| asm.S | lavu/riscv: assembly for zicfilp LPAD | 6 months ago |
| bswap.h | lavu/riscv: use Zbb REV8 at run-time | 7 months ago |
| bswap_rvb.S |
…
|
|
| cpu.c | lavu/riscv: add CPU flag for B bit manipulations | 6 months ago |
| cpu.h | avutil/riscv/cpu: fix __riscv_v_min_vlen typo | 7 months ago |
| cpu_common.c | riscv: probe for Zbb extension at load time | 7 months ago |
| fixed_dsp_init.c |
…
|
|
| fixed_dsp_rvv.S | lavu/riscv: add forward-edge CFI landing pads | 6 months ago |
| float_dsp_init.c |
…
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|
| float_dsp_rvv.S | lavu/riscv: add forward-edge CFI landing pads | 6 months ago |
| intmath.h | lavu/riscv: implement floating point clips | 6 months ago |
| lls_init.c |
…
|
|
| lls_rvv.S | lavu/riscv: add forward-edge CFI landing pads | 6 months ago |
| timer.h |
…
|
|