[FFmpeg-cvslog] lavc/aarch64: new optimization for 8-bit hevc_epel_v
Logan Lyu
git at videolan.org
Tue Oct 31 14:17:31 EET 2023
ffmpeg | branch: master | Logan Lyu <Logan.Lyu at myais.com.cn> | Thu Oct 26 09:15:24 2023 +0800| [22c729150648f9f4b0d1e6f769d01bb4fb022016] | committer: Martin Storsjö
lavc/aarch64: new optimization for 8-bit hevc_epel_v
checkasm bench:
put_hevc_epel_v4_8_c: 79.9
put_hevc_epel_v4_8_neon: 25.7
put_hevc_epel_v6_8_c: 151.4
put_hevc_epel_v6_8_neon: 46.4
put_hevc_epel_v8_8_c: 250.9
put_hevc_epel_v8_8_neon: 41.7
put_hevc_epel_v12_8_c: 542.7
put_hevc_epel_v12_8_neon: 108.7
put_hevc_epel_v16_8_c: 939.4
put_hevc_epel_v16_8_neon: 169.2
put_hevc_epel_v24_8_c: 2104.9
put_hevc_epel_v24_8_neon: 307.9
put_hevc_epel_v32_8_c: 3713.9
put_hevc_epel_v32_8_neon: 524.2
put_hevc_epel_v48_8_c: 8175.2
put_hevc_epel_v48_8_neon: 1197.2
put_hevc_epel_v64_8_c: 16049.4
put_hevc_epel_v64_8_neon: 2094.9
Co-Authored-By: J. Dekker <jdek at itanimul.li>
Signed-off-by: Martin Storsjö <martin at martin.st>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=22c729150648f9f4b0d1e6f769d01bb4fb022016
---
libavcodec/aarch64/hevcdsp_epel_neon.S | 223 ++++++++++++++++++++++++++++++
libavcodec/aarch64/hevcdsp_init_aarch64.c | 5 +
2 files changed, 228 insertions(+)
diff --git a/libavcodec/aarch64/hevcdsp_epel_neon.S b/libavcodec/aarch64/hevcdsp_epel_neon.S
index 0705213eed..96ec58cdbc 100644
--- a/libavcodec/aarch64/hevcdsp_epel_neon.S
+++ b/libavcodec/aarch64/hevcdsp_epel_neon.S
@@ -243,6 +243,229 @@ function ff_hevc_put_hevc_pel_pixels64_8_neon, export=1
ret
endfunc
+
+function ff_hevc_put_hevc_epel_v4_8_neon, export=1
+ load_epel_filterb x5, x4
+ sub x1, x1, x2
+ mov x10, #(MAX_PB_SIZE * 2)
+ ldr s16, [x1]
+ ldr s17, [x1, x2]
+ add x1, x1, x2, lsl #1
+ ld1 {v18.s}[0], [x1], x2
+.macro calc src0, src1, src2, src3
+ ld1 {\src3\().s}[0], [x1], x2
+ movi v4.8h, #0
+ calc_epelb v4, \src0, \src1, \src2, \src3
+ subs w3, w3, #1
+ st1 {v4.4h}, [x0], x10
+.endm
+1: calc_all4
+.purgem calc
+2: ret
+endfunc
+
+function ff_hevc_put_hevc_epel_v6_8_neon, export=1
+ load_epel_filterb x5, x4
+ sub x1, x1, x2
+ mov x10, #(MAX_PB_SIZE * 2 - 8)
+ ldr d16, [x1]
+ ldr d17, [x1, x2]
+ add x1, x1, x2, lsl #1
+ ld1 {v18.8b}, [x1], x2
+.macro calc src0, src1, src2, src3
+ ld1 {\src3\().8b}, [x1], x2
+ movi v4.8h, #0
+ calc_epelb v4, \src0, \src1, \src2, \src3
+ st1 {v4.d}[0], [x0], #8
+ subs w3, w3, #1
+ st1 {v4.s}[2], [x0], x10
+.endm
+1: calc_all4
+.purgem calc
+2: ret
+endfunc
+
+function ff_hevc_put_hevc_epel_v8_8_neon, export=1
+ load_epel_filterb x5, x4
+ sub x1, x1, x2
+ mov x10, #(MAX_PB_SIZE * 2)
+ ldr d16, [x1]
+ ldr d17, [x1, x2]
+ add x1, x1, x2, lsl #1
+ ld1 {v18.8b}, [x1], x2
+.macro calc src0, src1, src2, src3
+ ld1 {\src3\().8b}, [x1], x2
+ movi v4.8h, #0
+ calc_epelb v4, \src0, \src1, \src2, \src3
+ subs w3, w3, #1
+ st1 {v4.8h}, [x0], x10
+.endm
+1: calc_all4
+.purgem calc
+2: ret
+endfunc
+
+function ff_hevc_put_hevc_epel_v12_8_neon, export=1
+ load_epel_filterb x5, x4
+ sub x1, x1, x2
+ mov x10, #(MAX_PB_SIZE * 2)
+ ldr q16, [x1]
+ ldr q17, [x1, x2]
+ add x1, x1, x2, lsl #1
+ ld1 {v18.16b}, [x1], x2
+.macro calc src0, src1, src2, src3
+ ld1 {\src3\().16b}, [x1], x2
+ movi v4.8h, #0
+ movi v5.8h, #0
+ calc_epelb v4, \src0, \src1, \src2, \src3
+ calc_epelb2 v5, \src0, \src1, \src2, \src3
+ str q4, [x0]
+ subs w3, w3, #1
+ str d5, [x0, #16]
+ add x0, x0, x10
+.endm
+1: calc_all4
+.purgem calc
+2: ret
+endfunc
+
+function ff_hevc_put_hevc_epel_v16_8_neon, export=1
+ load_epel_filterb x5, x4
+ sub x1, x1, x2
+ mov x10, #(MAX_PB_SIZE * 2)
+ ldr q16, [x1]
+ ldr q17, [x1, x2]
+ add x1, x1, x2, lsl #1
+ ld1 {v18.16b}, [x1], x2
+.macro calc src0, src1, src2, src3
+ ld1 {\src3\().16b}, [x1], x2
+ movi v4.8h, #0
+ movi v5.8h, #0
+ calc_epelb v4, \src0, \src1, \src2, \src3
+ calc_epelb2 v5, \src0, \src1, \src2, \src3
+ subs w3, w3, #1
+ st1 {v4.8h, v5.8h}, [x0], x10
+.endm
+1: calc_all4
+.purgem calc
+2: ret
+endfunc
+
+function ff_hevc_put_hevc_epel_v24_8_neon, export=1
+ load_epel_filterb x5, x4
+ sub x1, x1, x2
+ mov x10, #(MAX_PB_SIZE * 2)
+ ld1 {v16.8b, v17.8b, v18.8b}, [x1], x2
+ ld1 {v19.8b, v20.8b, v21.8b}, [x1], x2
+ ld1 {v22.8b, v23.8b, v24.8b}, [x1], x2
+.macro calc src0, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10, src11
+ ld1 {\src9\().8b, \src10\().8b, \src11\().8b}, [x1], x2
+ movi v4.8h, #0
+ movi v5.8h, #0
+ movi v6.8h, #0
+ calc_epelb v4, \src0, \src3, \src6, \src9
+ calc_epelb v5, \src1, \src4, \src7, \src10
+ calc_epelb v6, \src2, \src5, \src8, \src11
+ subs w3, w3, #1
+ st1 {v4.8h-v6.8h}, [x0], x10
+.endm
+1: calc_all12
+.purgem calc
+2: ret
+endfunc
+
+function ff_hevc_put_hevc_epel_v32_8_neon, export=1
+ load_epel_filterb x5, x4
+ sub x1, x1, x2
+ mov x10, #(MAX_PB_SIZE * 2)
+ ld1 {v16.16b, v17.16b}, [x1], x2
+ ld1 {v18.16b, v19.16b}, [x1], x2
+ ld1 {v20.16b, v21.16b}, [x1], x2
+.macro calc src0, src1, src2, src3, src4, src5, src6, src7
+ ld1 {\src6\().16b, \src7\().16b}, [x1], x2
+ movi v4.8h, #0
+ movi v5.8h, #0
+ movi v6.8h, #0
+ movi v7.8h, #0
+ calc_epelb v4, \src0, \src2, \src4, \src6
+ calc_epelb2 v5, \src0, \src2, \src4, \src6
+ calc_epelb v6, \src1, \src3, \src5, \src7
+ calc_epelb2 v7, \src1, \src3, \src5, \src7
+ subs w3, w3, #1
+ st1 {v4.8h-v7.8h}, [x0], x10
+.endm
+1: calc_all8
+.purgem calc
+2: ret
+endfunc
+
+function ff_hevc_put_hevc_epel_v48_8_neon, export=1
+ load_epel_filterb x5, x4
+ sub x1, x1, x2
+ mov x10, #64
+ ld1 {v16.16b, v17.16b, v18.16b}, [x1], x2
+ ld1 {v19.16b, v20.16b, v21.16b}, [x1], x2
+ ld1 {v22.16b, v23.16b, v24.16b}, [x1], x2
+.macro calc src0, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10, src11
+ ld1 {\src9\().16b, \src10\().16b, \src11\().16b}, [x1], x2
+ movi v4.8h, #0
+ movi v5.8h, #0
+ movi v6.8h, #0
+ movi v7.8h, #0
+ movi v28.8h, #0
+ movi v29.8h, #0
+ calc_epelb v4, \src0, \src3, \src6, \src9
+ calc_epelb2 v5, \src0, \src3, \src6, \src9
+ calc_epelb v6, \src1, \src4, \src7, \src10
+ calc_epelb2 v7, \src1, \src4, \src7, \src10
+ calc_epelb v28, \src2, \src5, \src8, \src11
+ calc_epelb2 v29, \src2, \src5, \src8, \src11
+ st1 {v4.8h-v7.8h}, [x0], #64
+ subs w3, w3, #1
+ st1 {v28.8h-v29.8h}, [x0], x10
+.endm
+1: calc_all12
+.purgem calc
+2: ret
+endfunc
+
+function ff_hevc_put_hevc_epel_v64_8_neon, export=1
+ load_epel_filterb x5, x4
+ sub sp, sp, #32
+ st1 {v8.8b-v11.8b}, [sp]
+ sub x1, x1, x2
+ ld1 {v16.16b, v17.16b, v18.16b, v19.16b}, [x1], x2
+ ld1 {v20.16b, v21.16b, v22.16b, v23.16b}, [x1], x2
+ ld1 {v24.16b, v25.16b, v26.16b, v27.16b}, [x1], x2
+.macro calc src0, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10, src11, src12, src13, src14, src15
+ ld1 {\src12\().16b-\src15\().16b}, [x1], x2
+ movi v4.8h, #0
+ movi v5.8h, #0
+ movi v6.8h, #0
+ movi v7.8h, #0
+ movi v8.8h, #0
+ movi v9.8h, #0
+ movi v10.8h, #0
+ movi v11.8h, #0
+ calc_epelb v4, \src0, \src4, \src8, \src12
+ calc_epelb2 v5, \src0, \src4, \src8, \src12
+ calc_epelb v6, \src1, \src5, \src9, \src13
+ calc_epelb2 v7, \src1, \src5, \src9, \src13
+ calc_epelb v8, \src2, \src6, \src10, \src14
+ calc_epelb2 v9, \src2, \src6, \src10, \src14
+ calc_epelb v10, \src3, \src7, \src11, \src15
+ calc_epelb2 v11, \src3, \src7, \src11, \src15
+ st1 {v4.8h-v7.8h}, [x0], #64
+ subs w3, w3, #1
+ st1 {v8.8h-v11.8h}, [x0], #64
+.endm
+1: calc_all16
+.purgem calc
+2: ld1 {v8.8b-v11.8b}, [sp]
+ add sp, sp, #32
+ ret
+endfunc
+
function ff_hevc_put_hevc_epel_uni_v4_8_neon, export=1
load_epel_filterb x6, x5
sub x2, x2, x3
diff --git a/libavcodec/aarch64/hevcdsp_init_aarch64.c b/libavcodec/aarch64/hevcdsp_init_aarch64.c
index c203d65d34..42aa76ddde 100644
--- a/libavcodec/aarch64/hevcdsp_init_aarch64.c
+++ b/libavcodec/aarch64/hevcdsp_init_aarch64.c
@@ -156,6 +156,10 @@ NEON8_FNPROTO(pel_pixels, (int16_t *dst,
const uint8_t *src, ptrdiff_t srcstride,
int height, intptr_t mx, intptr_t my, int width),);
+NEON8_FNPROTO(epel_v, (int16_t *dst,
+ const uint8_t *src, ptrdiff_t srcstride,
+ int height, intptr_t mx, intptr_t my, int width),);
+
NEON8_FNPROTO(pel_uni_pixels, (uint8_t *_dst, ptrdiff_t _dststride,
const uint8_t *_src, ptrdiff_t _srcstride,
int height, intptr_t mx, intptr_t my, int width),);
@@ -305,6 +309,7 @@ av_cold void ff_hevc_dsp_init_aarch64(HEVCDSPContext *c, const int bit_depth)
c->put_hevc_qpel_bi[9][0][1] = ff_hevc_put_hevc_qpel_bi_h16_8_neon;
NEON8_FNASSIGN(c->put_hevc_epel, 0, 0, pel_pixels,);
+ NEON8_FNASSIGN(c->put_hevc_epel, 1, 0, epel_v,);
NEON8_FNASSIGN(c->put_hevc_qpel, 0, 0, pel_pixels,);
NEON8_FNASSIGN(c->put_hevc_epel_uni, 0, 0, pel_uni_pixels,);
NEON8_FNASSIGN(c->put_hevc_epel_uni, 1, 0, epel_uni_v,);
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