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erasure_code: R-V V gf_vect_mul
banana_f3: rvv: gf_vect_mul_warm: runtime = 3062541 usecs, bandwidth 1889 MB in 3.0625 sec = 616.84 MB/s c: gf_vect_mul_warm: runtime = 3062014 usecs, bandwidth 285 MB in 3.0620 sec = 93.29 MB/s Signed-off-by: sunyuechi <[email protected]>
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‎erasure_code/Makefile.am‎

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@@ -31,10 +31,11 @@ include erasure_code/aarch64/Makefile.am
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include erasure_code/ppc64le/Makefile.am
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include erasure_code/riscv64/Makefile.am
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lsrc += erasure_code/ec_base.c
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lsrc_base_aliases += erasure_code/ec_base_aliases.c
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lsrc_riscv64 += erasure_code/ec_base_aliases.c
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lsrc_x86_64 += \
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erasure_code/ec_highlevel_func.c \
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erasure_code/gf_vect_mul_sse.asm \

‎erasure_code/riscv64/Makefile.am‎

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########################################################################
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# Copyright (c) 2025 Institute of Software Chinese Academy of Sciences (ISCAS).
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of ISCAS nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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########################################################################
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lsrc_riscv64 += \
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erasure_code/riscv64/ec_multibinary_riscv64_dispatcher.c \
32+
erasure_code/riscv64/ec_multibinary_riscv64.S \
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erasure_code/riscv64/ec_gf_vect_mul_rvv.S

‎erasure_code/riscv64/ec_gf_vect_mul_rvv.S‎

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/**********************************************************************
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Copyright (c) 2025 Institute of Software Chinese Academy of Sciences (ISCAS).
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4+
Redistribution and use in source and binary forms, with or without
5+
modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
8+
notice, this list of conditions and the following disclaimer.
9+
* Redistributions in binary form must reproduce the above copyright
10+
notice, this list of conditions and the following disclaimer in
11+
the documentation and/or other materials provided with the
12+
distribution.
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* Neither the name of ISCAS nor the names of its
14+
contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
16+
17+
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21+
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22+
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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#if HAVE_RVV
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#include "ec_table.S"
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.option arch, +v
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.global gf_vect_mul_rvv
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.type gf_vect_mul_rvv, %function
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gf_vect_mul_rvv:
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li t4, 32
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rem t4, a0, t4
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bnez t4, ret1 // (len % 32) != 0
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lla t0, gff_base
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lla t1, gflog_base
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lbu t2, 1(a1) // unsigned char c = a[1];
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beqz t2, 2f
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add t2, t1, t2 // &gflog_base[c]
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lbu t2, (t2) // gflog_base[c]
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1:
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vsetvli t6, a0, e8, m4, ta, ma
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vle8.v v16, (a2) // src
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vmsne.vi v0, v16, 0 // if b == 0
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vluxei8.v v16, (t1), v16, v0.t // gflag_base[b]
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vwaddu.vx v8, v16, t2, v0.t
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vmv.v.i v16, 0
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vluxei16.v v16, (t0), v8, v0.t // gff_base[i]
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vse8.v v16, (a3)
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add a2, a2, t6
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add a3, a3, t6
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sub a0, a0, t6
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bnez a0, 1b
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ret
60+
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2:
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vsetvli t6, a0, e8, m8, ta, ma
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vmv.v.i v0, 0
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3:
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vsetvli t6, a0, e8, m8, ta, ma
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vse8.v v0, (a3)
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add a3, a3, t6
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sub a0, a0, t6
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bnez a0, 3b
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ret
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72+
ret1:
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li a0, -1
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ret
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#endif

‎erasure_code/riscv64/ec_multibinary_riscv64.S‎

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/**********************************************************************
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Copyright (c) 2025 Institute of Software Chinese Academy of Sciences (ISCAS).
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
6+
are met:
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* Redistributions of source code must retain the above copyright
8+
notice, this list of conditions and the following disclaimer.
9+
* Redistributions in binary form must reproduce the above copyright
10+
notice, this list of conditions and the following disclaimer in
11+
the documentation and/or other materials provided with the
12+
distribution.
13+
* Neither the name of ISCAS nor the names of its
14+
contributors may be used to endorse or promote products derived
15+
from this software without specific prior written permission.
16+
17+
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18+
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19+
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20+
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21+
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22+
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23+
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24+
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25+
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26+
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28+
**********************************************************************/
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#include "riscv64_multibinary.h"
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#if HAVE_RVV
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mbin_interface gf_vect_mul
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#else
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mbin_interface_base gf_vect_mul gf_vect_mul_base
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#endif
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mbin_interface_base gf_vect_dot_prod gf_vect_dot_prod_base
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mbin_interface_base ec_encode_data ec_encode_data_base
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mbin_interface_base ec_init_tables ec_init_tables_base
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mbin_interface_base ec_encode_data_update ec_encode_data_update_base
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mbin_interface_base gf_vect_mad gf_vect_mad_base

‎erasure_code/riscv64/ec_multibinary_riscv64_dispatcher.c‎

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/**********************************************************************
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Copyright (c) 2025 Institute of Software Chinese Academy of Sciences (ISCAS).
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Redistribution and use in source and binary forms, with or without
5+
modification, are permitted provided that the following conditions
6+
are met:
7+
* Redistributions of source code must retain the above copyright
8+
notice, this list of conditions and the following disclaimer.
9+
* Redistributions in binary form must reproduce the above copyright
10+
notice, this list of conditions and the following disclaimer in
11+
the documentation and/or other materials provided with the
12+
distribution.
13+
* Neither the name of ISCAS nor the names of its
14+
contributors may be used to endorse or promote products derived
15+
from this software without specific prior written permission.
16+
17+
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18+
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19+
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20+
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21+
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22+
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23+
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24+
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25+
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26+
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27+
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28+
**********************************************************************/
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#include "riscv64_multibinary.h"
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31+
extern int
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gf_vect_mul_rvv(int len, unsigned char *a, unsigned char *src, unsigned char *dest);
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extern int
34+
gf_vect_mul_base(int len, unsigned char *a, unsigned char *src, unsigned char *dest);
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DEFINE_INTERFACE_DISPATCHER(gf_vect_mul)
37+
{
38+
#if HAVE_RVV
39+
const unsigned long hwcap = getauxval(AT_HWCAP);
40+
if (hwcap & HWCAP_RV('V'))
41+
return gf_vect_mul_rvv;
42+
else
43+
#endif
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return gf_vect_mul_base;
45+
}

‎erasure_code/riscv64/ec_table.S‎

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/**********************************************************************
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Copyright (c) 2025 Institute of Software Chinese Academy of Sciences (ISCAS).
3+
4+
Redistribution and use in source and binary forms, with or without
5+
modification, are permitted provided that the following conditions
6+
are met:
7+
* Redistributions of source code must retain the above copyright
8+
notice, this list of conditions and the following disclaimer.
9+
* Redistributions in binary form must reproduce the above copyright
10+
notice, this list of conditions and the following disclaimer in
11+
the documentation and/or other materials provided with the
12+
distribution.
13+
* Neither the name of ISCAS nor the names of its
14+
contributors may be used to endorse or promote products derived
15+
from this software without specific prior written permission.
16+
17+
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18+
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19+
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20+
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21+
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22+
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23+
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24+
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25+
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26+
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27+
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28+
**********************************************************************/
29+
// Reference: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/746f1ff36ac0d232687820fbde4e4efc79093af7
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.macro const sym, align=3, relocate=0
31+
.if \relocate
32+
.pushsection .data.rel.ro
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.else
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.pushsection .rodata
35+
.endif
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.align \align
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\sym:
38+
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.macro endconst
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.size \sym, . - \sym
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.popsection
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.purgem endconst
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.endm
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.endm
45+
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const gff_base
47+
.rept 2
48+
.byte 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13
49+
.byte 0x26, 0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30
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.byte 0x60, 0xc0, 0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee
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.byte 0xc1, 0x9f, 0x23, 0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2
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.byte 0xb9, 0x6f, 0xde, 0xa1, 0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89
53+
.byte 0x0f, 0x1e, 0x3c, 0x78, 0xf0, 0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1
54+
.byte 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2, 0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d
55+
.byte 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce, 0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93
56+
.byte 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc, 0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda
57+
.byte 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54, 0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4
58+
.byte 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73, 0xe6, 0xd1, 0xbf, 0x63, 0xc6
59+
.byte 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff, 0xe3, 0xdb, 0xab, 0x4b
60+
.byte 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41, 0x82, 0x19, 0x32
61+
.byte 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6, 0x51, 0xa2
62+
.byte 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09, 0x12
63+
.byte 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16
64+
.byte 0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e
65+
.endr
66+
.byte 0x01
67+
endconst
68+
69+
const gflog_base
70+
.byte 0x00, 0xff, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7
71+
.byte 0x4b, 0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08
72+
.byte 0x4c, 0x71, 0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0
73+
.byte 0x12, 0x82, 0x45, 0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78
74+
.byte 0x4d, 0xe4, 0x72, 0xa6, 0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25
75+
.byte 0xb3, 0x10, 0x91, 0x22, 0x88, 0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2
76+
.byte 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40, 0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b
77+
.byte 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d, 0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b
78+
.byte 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57, 0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63
79+
.byte 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18, 0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8
80+
.byte 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e, 0x37, 0x3f, 0xd1, 0x5b, 0x95
81+
.byte 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61, 0xf2, 0x56, 0xd3, 0xab
82+
.byte 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2, 0x1f, 0x2d, 0x43
83+
.byte 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6, 0x6c, 0xa1
84+
.byte 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a, 0xcb
85+
.byte 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7
86+
.byte 0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58
87+
.byte 0xaf
88+
endconst

‎make.inc‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -398,7 +398,7 @@ doc: isa-l.h
398398
# -I FILE -- File containing words to be ignored
399399
#
400400
CODESPELL ?= codespell
401-
CS_IGNORE_WORDS ?= iinclude,struc,fo,ue,od,ba,padd,hist,unx,sav,datas
401+
CS_IGNORE_WORDS ?= iinclude,struc,fo,ue,od,ba,padd,hist,unx,sav,datas,ro
402402

403403
.PHONY: spellcheck
404404
spellcheck:

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