[x265] [PATCH Review Only] luma_hps[32x8, 32x16, 32x24, 32x32, 32x64] avx2 asm : improved 5793c->3061c, 9061c->4723c, 12388c->6522c, 15552c->8309c, 27670c->14790c
chen
chenm003 at 163.com
Wed Mar 11 23:45:54 CET 2015
At 2015-03-11 17:18:05,aasaipriya at multicorewareinc.com wrote:
># HG changeset patch
># User Aasaipriya Chandran <aasaipriya at multicorewareinc.com>
># Date 1426065460 -19800
># Wed Mar 11 14:47:40 2015 +0530
># Node ID 57e51fa4dd246720cb4c3e12005e7682baf26e7f
># Parent 800f8ecd1e7393756f4bb58e536497162dc32150
>luma_hps[32x8, 32x16, 32x24, 32x32, 32x64] avx2 asm : improved 5793c->3061c, 9061c->4723c, 12388c->6522c, 15552c->8309c, 27670c->14790c
>
>diff -r 800f8ecd1e73 -r 57e51fa4dd24 source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp Tue Mar 10 10:49:11 2015 +0530
>+++ b/source/common/x86/asm-primitives.cpp Wed Mar 11 14:47:40 2015 +0530
>@@ -1570,6 +1570,12 @@
> p.pu[LUMA_16x32].luma_hps = x265_interp_8tap_horiz_ps_16x32_avx2;
> p.pu[LUMA_16x64].luma_hps = x265_interp_8tap_horiz_ps_16x64_avx2;
>
>+ p.pu[LUMA_32x32].luma_hps = x265_interp_8tap_horiz_ps_32x32_avx2;
>+ p.pu[LUMA_32x16].luma_hps = x265_interp_8tap_horiz_ps_32x16_avx2;
>+ p.pu[LUMA_32x24].luma_hps = x265_interp_8tap_horiz_ps_32x24_avx2;
>+ p.pu[LUMA_32x8].luma_hps = x265_interp_8tap_horiz_ps_32x8_avx2;
>+ p.pu[LUMA_32x64].luma_hps = x265_interp_8tap_horiz_ps_32x64_avx2;
>+
> p.chroma[X265_CSP_I420].pu[CHROMA_420_8x8].filter_hpp = x265_interp_4tap_horiz_pp_8x8_avx2;
> p.chroma[X265_CSP_I420].pu[CHROMA_420_4x4].filter_hpp = x265_interp_4tap_horiz_pp_4x4_avx2;
> p.chroma[X265_CSP_I420].pu[CHROMA_420_32x32].filter_hpp = x265_interp_4tap_horiz_pp_32x32_avx2;
>diff -r 800f8ecd1e73 -r 57e51fa4dd24 source/common/x86/ipfilter8.asm
>--- a/source/common/x86/ipfilter8.asm Tue Mar 10 10:49:11 2015 +0530
>+++ b/source/common/x86/ipfilter8.asm Wed Mar 11 14:47:40 2015 +0530
>@@ -2018,7 +2018,103 @@
> IPFILTER_LUMA_PS_16x_AVX2 16 , 32
> IPFILTER_LUMA_PS_16x_AVX2 16 , 64
>
>-
>+%macro IPFILTER_LUMA_PS_32xN_AVX2 2
>+INIT_YMM avx2
>+cglobal interp_8tap_horiz_ps_%1x%2, 6, 7, 8
>+%ifdef PIC
>+ lea r6, [tab_LumaCoeff]
>+ vpbroadcastq m0, [r6 + r4 * 8]
>+%else
>+ vpbroadcastq m0, [tab_LumaCoeff + r4 * 8]
>+%endif
>+ mova m6, [tab_Lm + 32]
>+ mova m1, [tab_Lm]
>+ mov r4, %2 ;height
r4 is loop counter, you just need r4d here.
>+ add r3d, r3d
>+ vbroadcasti128 m2, [pw_2000]
>+ mova m7, [interp8_hps_shuf]
>+
>+ ; register map
>+ ; m0 - interpolate coeff
>+ ; m1 , m6 - shuffle order table
>+ ; m2 - pw_2000
>+
>+ sub r0, 3
>+ test r5d, r5d
>+ jz .loop
>+ lea r6, [r1 * 3] ; r8 = (N / 2 - 1) * srcStride
>+ sub r0, r6
>+ add r4, 7 ; blkheight += N - 1 (7 - 1 = 6 ; since the last one row not in loop)
r4d?
>+
>+.loop
>+ ; Row 0
>+ vbroadcasti128 m3, [r0] ; [x x x x x A 9 8 7 6 5 4 3 2 1 0]
>+ pshufb m4, m3, m6 ; row 0 (col 4 to 7)
>+ pshufb m3, m1 ; shuffled based on the col order tab_Lm row 0 (col 0 to 3)
>+ pmaddubsw m3, m0
>+ pmaddubsw m4, m0
>+ pmaddwd m3, [pw_1]
>+ pmaddwd m4, [pw_1]
>+ packssdw m3, m4
>+
>+
>+ vbroadcasti128 m4, [r0 + 8]
>+ pshufb m5, m4, m6 ;row 0 (col 12 to 15)
>+ pshufb m4, m1 ;row 0 (col 8 to 11)
>+ pmaddubsw m4, m0
>+ pmaddubsw m5, m0
>+ pmaddwd m4, [pw_1]
>+ pmaddwd m5, [pw_1]
>+ packssdw m4, m5
>+
>+ pmaddwd m3, [pw_1]
>+ pmaddwd m4, [pw_1]
>+ packssdw m3, m4
>+ mova m5, m7
>+ vpermd m3, m5, m3
>+ psubw m3, m2
m2 use less, so if we swap constant pw_1 into m2, it is less code size and more performance
>+
>+ movu [r2], m3 ;row 0
>+
>+ vbroadcasti128 m3, [r0 + 16]
>+ pshufb m4, m3, m6 ; row 0 (col 20 to 23)
>+ pshufb m3, m1 ; row 0 (col 16 to 19)
>+ pmaddubsw m3, m0
>+ pmaddubsw m4, m0
>+ pmaddwd m3, [pw_1]
>+ pmaddwd m4, [pw_1]
>+ packssdw m3, m4
>+
>+ vbroadcasti128 m4, [r0 + 24]
>+ pshufb m5, m4, m6 ;row 0 (col 28 to 31)
>+ pshufb m4, m1 ;row 0 (col 24 to 27)
>+ pmaddubsw m4, m0
>+ pmaddubsw m5, m0
>+ pmaddwd m4, [pw_1]
>+ pmaddwd m5, [pw_1]
>+ packssdw m4, m5
>+
>+ pmaddwd m3, [pw_1]
>+ pmaddwd m4, [pw_1]
>+ packssdw m3, m4
>+ mova m5, m7
>+ vpermd m3, m5, m3
>+ psubw m3, m2
>+
>+ movu [r2 + 32], m3 ;row 0
>+
>+ add r0, r1
>+ add r2, r3
>+ dec r4d
>+ jnz .loop
>+RET
need spaces before RET, ident to other instructions
>+%endmacro
>+
>+IPFILTER_LUMA_PS_32xN_AVX2 32 , 32
>+IPFILTER_LUMA_PS_32xN_AVX2 32 , 16
>+IPFILTER_LUMA_PS_32xN_AVX2 32 , 24
>+IPFILTER_LUMA_PS_32xN_AVX2 32 , 8
>+IPFILTER_LUMA_PS_32xN_AVX2 32 , 64
> ;--------------------------------------------------------------------------------------------------------------
> ; void interp_8tap_horiz_pp_%1x%2(pixel *src, intptr_t srcStride, pixel *dst, intptr_t dstStride, int coeffIdx)
> ;--------------------------------------------------------------------------------------------------------------
>_______________________________________________
>x265-devel mailing list
>x265-devel at videolan.org
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