At 2015-03-05 20:51:42,[email protected] wrote: ># HG changeset patch ># User Praveen Tiwari <[email protected]> ># Date 1425559881 -19800 ># Node ID 4deeb4cd656ad7166317f6bd8eeb3fa82154cd39 ># Parent 60f49deb3fa58bc35ba6e0557259433c01ee43e6 >aasm-avx2: intra_pred_ang8_27, 41.42x > >intra_ang_8x8[27] 41.42x 370.06 15326.56 > >diff -r 60f49deb3fa5 -r 4deeb4cd656a source/common/x86/asm-primitives.cpp >--- a/source/common/x86/asm-primitives.cpp Thu Mar 05 16:06:04 2015 +0530 >+++ b/source/common/x86/asm-primitives.cpp Thu Mar 05 18:21:21 2015 +0530 >@@ -1510,6 +1510,7 @@ > p.cu[BLOCK_8x8].intra_pred[29] = x265_intra_pred_ang8_29_avx2; > p.cu[BLOCK_8x8].intra_pred[8] = x265_intra_pred_ang8_8_avx2; > p.cu[BLOCK_8x8].intra_pred[28] = x265_intra_pred_ang8_28_avx2; >+ p.cu[BLOCK_8x8].intra_pred[27] = x265_intra_pred_ang8_27_avx2; > > // copy_sp primitives > p.cu[BLOCK_16x16].copy_sp = x265_blockcopy_sp_16x16_avx2; >diff -r 60f49deb3fa5 -r 4deeb4cd656a source/common/x86/intrapred.h >--- a/source/common/x86/intrapred.h Thu Mar 05 16:06:04 2015 +0530 >+++ b/source/common/x86/intrapred.h Thu Mar 05 18:21:21 2015 +0530 >@@ -173,6 +173,7 @@ > void x265_intra_pred_ang8_29_avx2(pixel* dst, intptr_t dstStride, const > pixel* srcPix, int dirMode, int bFilter); > void x265_intra_pred_ang8_8_avx2(pixel* dst, intptr_t dstStride, const pixel* > srcPix, int dirMode, int bFilter); > void x265_intra_pred_ang8_28_avx2(pixel* dst, intptr_t dstStride, const > pixel* srcPix, int dirMode, int bFilter); >+void x265_intra_pred_ang8_27_avx2(pixel* dst, intptr_t dstStride, const >pixel* srcPix, int dirMode, int bFilter); > void x265_all_angs_pred_4x4_sse4(pixel *dest, pixel *refPix, pixel *filtPix, > int bLuma); > void x265_all_angs_pred_8x8_sse4(pixel *dest, pixel *refPix, pixel *filtPix, > int bLuma); > void x265_all_angs_pred_16x16_sse4(pixel *dest, pixel *refPix, pixel > *filtPix, int bLuma); >diff -r 60f49deb3fa5 -r 4deeb4cd656a source/common/x86/intrapred8.asm >--- a/source/common/x86/intrapred8.asm Thu Mar 05 16:06:04 2015 +0530 >+++ b/source/common/x86/intrapred8.asm Thu Mar 05 18:21:21 2015 +0530 >@@ -2,6 +2,7 @@ > ;* Copyright (C) 2013 x265 project > ;* > ;* Authors: Min Chen <[email protected]> <[email protected]> >+;* Praveen Kumar Tiwari <[email protected]> > ;* > ;* This program is free software; you can redistribute it and/or modify > ;* it under the terms of the GNU General Public License as published by >@@ -95,6 +96,11 @@ > c_ang8_25_30: db 7, 25, 7, 25, 7, 25, 7, 25, 7, 25, 7, 25, 7, 25, 7, > 25, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30 > c_ang8_3_8: db 29, 3, 29, 3, 29, 3, 29, 3, 29, 3, 29, 3, 29, 3, 29, > 3, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8 > >+c_ang8_2_4: db 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, >2, 28, 4, 28, 4, 28, 4, 28, 4, 28, 4, 28, 4, 28, 4, 28, 4 >+c_ang8_6_8: db 26, 6, 26, 6, 26, 6, 26, 6, 26, 6, 26, 6, 26, 6, 26, >6, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8 >+c_ang8_10_12: db 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, >10, 22, 10, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12 >+c_ang8_14_16: db 18, 14, 18, 14, 18, 14, 18, 14, 18, 14, 18, 14, 18, >14, 18, 14, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16 >+ > ;; (blkSize - 1 - x) > pw_planar4_0: dw 3, 2, 1, 0, 3, 2, 1, 0 > pw_planar4_1: dw 3, 3, 3, 3, 3, 3, 3, 3 >@@ -32975,3 +32981,39 @@ > movhps [r0 + 2 * r1], xm4 > movhps [r0 + r3], xm2 > RET >+ >+INIT_YMM avx2 >+cglobal intra_pred_ang8_27, 3, 4, 6 >+ mova m3, [pw_1024] >+ vbroadcasti128 m0, [r2 + 1] >+ movu m5, [c_ang8_src1_9_1_9] >+ >+ pshufb m1, m0, m5 >+ pshufb m2, m0, m5 >+ pshufb m4, m0, m5 >+ pshufb m0, m5
why calculate same result 4 times? >+ >+ pmaddubsw m1, [c_ang8_2_4] >+ pmulhrsw m1, m3 >+ pmaddubsw m2, [c_ang8_6_8] >+ pmulhrsw m2, m3 >+ pmaddubsw m4, [c_ang8_10_12] >+ pmulhrsw m4, m3 >+ pmaddubsw m0, [c_ang8_14_16] we have free register, so buffer table address in it and access by register index mode ( [rN] ) may faster and less code size >+ pmulhrsw m0, m3 >+ packuswb m1, m2 >+ packuswb m4, m0 >+ >+ lea r3, [3 * r1] >+ movq [r0], xm1 >+ vextracti128 xm2, m1, 1 >+ movq [r0 + r1], xm2 >+ movhps [r0 + 2 * r1], xm1 >+ movhps [r0 + r3], xm2 >+ lea r0, [r0 + 4 * r1] >+ movq [r0], xm4 >+ vextracti128 xm2, m4, 1 >+ movq [r0 + r1], xm2 >+ movhps [r0 + 2 * r1], xm4 >+ movhps [r0 + r3], xm2 >+ RET >_______________________________________________ >x265-devel mailing list >[email protected] >https://mailman.videolan.org/listinfo/x265-devel
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