[x265] [PATCH] asm: re-design AVX2 algorithm for intra_pred_8x8[16], 334c -> 200c
chen
chenm003 at 163.com
Fri Aug 21 22:46:58 CEST 2015
At 2015-08-22 06:34:07,"Min Chen" <chenm003 at 163.com> wrote:
># HG changeset patch
># User Min Chen <chenm003 at 163.com>
># Date 1440194747 25200
># Node ID 9bbcc4a622f25aeead11efd8cac82cabbf413d62
># Parent f63273fa3137fef2f6898c686b68ee12608acd31
>asm: re-design AVX2 algorithm for intra_pred_8x8[16], 334c -> 200c
>---
> source/common/x86/asm-primitives.cpp | 2 +-
> source/common/x86/intrapred8.asm | 131 +++++++++++++++++-----------------
> 2 files changed, 66 insertions(+), 67 deletions(-)
>
>diff -r f63273fa3137 -r 9bbcc4a622f2 source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp Thu Aug 20 11:13:25 2015 +0530
>+++ b/source/common/x86/asm-primitives.cpp Fri Aug 21 15:05:47 2015 -0700
>@@ -3025,6 +3025,7 @@
> p.cu[BLOCK_8x8].intra_pred[23] = PFX(intra_pred_ang8_23_avx2);
> p.cu[BLOCK_8x8].intra_pred[14] = PFX(intra_pred_ang8_14_avx2);
> p.cu[BLOCK_8x8].intra_pred[15] = PFX(intra_pred_ang8_15_avx2);
>+ p.cu[BLOCK_8x8].intra_pred[16] = PFX(intra_pred_ang8_16_avx2);
> p.cu[BLOCK_16x16].intra_pred[3] = PFX(intra_pred_ang16_3_avx2);
> p.cu[BLOCK_16x16].intra_pred[4] = PFX(intra_pred_ang16_4_avx2);
> p.cu[BLOCK_16x16].intra_pred[5] = PFX(intra_pred_ang16_5_avx2);
>@@ -3687,7 +3688,6 @@
> p.cu[BLOCK_4x4].cpy1Dto2D_shr = PFX(cpy1Dto2D_shr_4_avx2);
> p.cu[BLOCK_4x4].count_nonzero = PFX(count_nonzero_4x4_avx2);
> p.cu[BLOCK_8x8].intra_pred[20] = PFX(intra_pred_ang8_20_avx2);
>- p.cu[BLOCK_8x8].intra_pred[16] = PFX(intra_pred_ang8_16_avx2);
> p.cu[BLOCK_16x16].intra_pred[13] = PFX(intra_pred_ang16_13_avx2);
> p.cu[BLOCK_16x16].copy_sp = PFX(blockcopy_sp_16x16_avx2);
> p.chroma[X265_CSP_I420].cu[BLOCK_420_16x16].copy_sp = PFX(blockcopy_sp_16x16_avx2);
>diff -r f63273fa3137 -r 9bbcc4a622f2 source/common/x86/intrapred8.asm
>--- a/source/common/x86/intrapred8.asm Thu Aug 20 11:13:25 2015 +0530
>+++ b/source/common/x86/intrapred8.asm Fri Aug 21 15:05:47 2015 -0700
>@@ -54,13 +54,13 @@
> c_shuf8_0: db 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8
> c_deinterval8: db 0, 8, 1, 9, 2, 10, 3, 11, 4, 12, 5, 13, 6, 14, 7, 15
> pb_unpackbq: db 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1
>-c_mode16_12: db 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 6
>-c_mode16_13: db 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 11, 7, 4
>-c_mode16_14: db 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 12, 10, 7, 5, 2
>+c_mode16_12: db 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 6
>+c_mode16_13: db 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 11, 7, 4
>+c_mode16_14: db 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 12, 10, 7, 5, 2
> c_mode16_15: db 0, 0, 0, 0, 0, 0, 0, 0, 15, 13, 11, 9, 8, 6, 4, 2
> c_mode16_16: db 8, 6, 5, 3, 2, 0, 15, 14, 12, 11, 9, 8, 6, 5, 3, 2
> c_mode16_17: db 4, 2, 1, 0, 15, 14, 12, 11, 10, 9, 7, 6, 5, 4, 2, 1
>-c_mode16_18: db 0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1
>+c_mode16_18: db 0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1
>
> ALIGN 32
> c_ang8_src1_9_2_10: db 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9
>@@ -451,6 +451,16 @@
> db 21, 11, 21, 11, 21, 11, 21, 11, 21, 11, 21, 11, 21, 11, 21, 11, 6, 26, 6, 26, 6, 26, 6, 26, 6, 26, 6, 26, 6, 26, 6, 26
> db 23, 9, 23, 9, 23, 9, 23, 9, 23, 9, 23, 9, 23, 9, 23, 9, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24
>
>+const c_ang8_mode_16, db 8, 7, 6, 5, 4, 3, 2, 1, 0, 9, 10, 12, 13, 15, 0, 0
>+
>+const intra_pred8_shuff16, db 0, 1, 1, 2, 3, 3, 4, 5
>+ db 1, 2, 2, 3, 4, 4, 5, 6
>+ db 2, 3, 3, 4, 5, 5, 6, 7
>+ db 3, 4, 4, 5, 6, 6, 7, 8
>+ db 4, 5, 5, 6, 7, 7, 8, 9
>+
>+const angHor8_tab_16, db (32-11), 11, (32-22), 22, (32-1 ), 1, (32-12), 12, (32-23), 23, (32- 2), 2, (32-13), 13, (32-24), 24
>+
> ALIGN 32
> c_ang8_mode_20: db 21, 11, 21, 11, 21, 11, 21, 11, 21, 11, 21, 11, 21, 11, 21, 11, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22
> db 31, 1, 31, 1, 31, 1, 31, 1, 31, 1, 31, 1, 31, 1, 31, 1, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12
>@@ -460,6 +470,7 @@
> const angHor_tab_11, db (32-30), 30, (32-28), 28, (32-26), 26, (32-24), 24, (32-22), 22, (32-20), 20, (32-18), 18, (32-16), 16
> db (32-14), 14, (32-12), 12, (32-10), 10, (32- 8), 8, (32- 6), 6, (32- 4), 4, (32- 2), 2, (32- 0), 0
>
>+
> const ang_table
> %assign x 0
> %rep 32
>@@ -13992,68 +14003,56 @@
> RET
>
> INIT_YMM avx2
>-cglobal intra_pred_ang8_16, 3, 6, 6
>- mova m3, [pw_1024]
>- movu xm5, [r2 + 16]
>- pinsrb xm5, [r2], 0
>- lea r5, [intra_pred_shuff_0_8]
>- mova xm0, xm5
>- pslldq xm5, 1
>- pinsrb xm5, [r2 + 2], 0
>- vinserti128 m0, m0, xm5, 1
>- pshufb m0, [r5]
>-
>- lea r4, [c_ang8_mode_20]
>- pmaddubsw m1, m0, [r4]
>- pmulhrsw m1, m3
>- mova xm0, xm5
>- pslldq xm5, 1
>- pinsrb xm5, [r2 + 3], 0
>- vinserti128 m0, m0, xm5, 1
>- pshufb m0, [r5]
>- pmaddubsw m2, m0, [r4 + mmsize]
>- pmulhrsw m2, m3
>- pslldq xm5, 1
>- pinsrb xm5, [r2 + 5], 0
>- vinserti128 m0, m5, xm5, 1
>- pshufb m0, [r5]
>- pmaddubsw m4, m0, [r4 + 2 * mmsize]
>- pmulhrsw m4, m3
>- pslldq xm5, 1
>- pinsrb xm5, [r2 + 6], 0
>- mova xm0, xm5
>- pslldq xm5, 1
>- pinsrb xm5, [r2 + 8], 0
>- vinserti128 m0, m0, xm5, 1
>- pshufb m0, [r5]
>- pmaddubsw m0, [r4 + 3 * mmsize]
>- pmulhrsw m0, m3
>-
>- packuswb m1, m2
>- packuswb m4, m0
>-
>- vperm2i128 m2, m1, m4, 00100000b
>- vperm2i128 m1, m1, m4, 00110001b
>- punpcklbw m4, m2, m1
>- punpckhbw m2, m1
>- punpcklwd m1, m4, m2
>- punpckhwd m4, m2
>- mova m0, [trans8_shuf]
>- vpermd m1, m0, m1
>- vpermd m4, m0, m4
>-
>- lea r3, [3 * r1]
>- movq [r0], xm1
>- movhps [r0 + r1], xm1
>- vextracti128 xm2, m1, 1
>- movq [r0 + 2 * r1], xm2
>- movhps [r0 + r3], xm2
>- lea r0, [r0 + 4 * r1]
>- movq [r0], xm4
>- movhps [r0 + r1], xm4
>- vextracti128 xm2, m4, 1
>- movq [r0 + 2 * r1], xm2
>- movhps [r0 + r3], xm2
>+cglobal intra_pred_ang8_16, 3,4,7
>+ lea r0, [r0 + r1 * 8]
>+ sub r0, r1
>+ neg r1
>+ lea r3, [r1 * 3]
>+ vbroadcasti128 m0, [angHor8_tab_16] ; m0 = factor
>+ mova m1, [intra_pred8_shuff16] ; m1 = 4 of Row shuffle
>+ movu m2, [intra_pred8_shuff16 + 8] ; m1 = 4 of Row shuffle
>+
>+ ; prepare reference pixel
>+ movq xm3, [r2 + 16 + 1] ; m3 = [-1 -2 -3 -4 -5 -6 -7 -8 x x x x x x x x]
>+ movhps xm3, [r2 + 2] ; m3 = [-1 -2 -3 -4 -5 -6 -7 -8 2 3 x 5 6 x 8 x]
>+ pslldq xm3, 1
>+ pinsrb xm3, [r2], 0 ; m3 = [ 0 -1 -2 -3 -4 -5 -6 -7 -8 2 3 x 5 6 x 8]
>+ pshufb xm3, [c_ang8_mode_16]
>+ vinserti128 m3, m3, xm3, 1 ; m3 = [-8 -7 -6 -5 -4 -3 -2 -1 0 2 3 5 6 8]
Please this comment when push, it is wrong and reduce comment
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.videolan.org/pipermail/x265-devel/attachments/20150822/84c0b841/attachment-0001.html>
More information about the x265-devel
mailing list