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N
ffmpeg-0.6.3
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n2.6
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n2.6.7
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n2.7-dev
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n2.8
n2.8-dev
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n5.1.3
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n5.2-dev
n6.0
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n6.1-dev
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n7.0
n7.0.1
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n7.1-dev
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v0.5
v0.5.1
v0.5.2
v0.5.3
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 | |
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| .. | ||
| Makefile |
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| asm.S |
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| bswap.h |
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| bswap_rvb.S |
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| cpu.c |
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| cpu.h |
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| cpu_common.c |
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| fixed_dsp_init.c |
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| 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 |
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| lls_rvv.S | lavu/riscv: add forward-edge CFI landing pads | 6 months ago |
| timer.h |
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