[x265] [PATCH] asm: luma_hps[32x8, 32x16, 32x24, 32x32, 32x64] avx2 - improved 6143c->3210c, 9343c->4767c, 12806c->6737c, 16065c->8648c, 29073c->15496c

aasaipriya at multicorewareinc.com aasaipriya at multicorewareinc.com
Mon Mar 16 06:33:24 CET 2015


# HG changeset patch
# User Aasaipriya Chandran <aasaipriya at multicorewareinc.com>
# Date 1426483989 -19800
#      Mon Mar 16 11:03:09 2015 +0530
# Node ID b71432c674193a204de05e8957574431eaba3610
# Parent  19f6ba4dd66147698aa96deb2f364f30a7d63a7e
asm: luma_hps[32x8, 32x16, 32x24, 32x32, 32x64] avx2 - improved 6143c->3210c, 9343c->4767c, 12806c->6737c, 16065c->8648c, 29073c->15496c

diff -r 19f6ba4dd661 -r b71432c67419 source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Mon Mar 16 10:47:09 2015 +0530
+++ b/source/common/x86/asm-primitives.cpp	Mon Mar 16 11:03:09 2015 +0530
@@ -1576,6 +1576,12 @@
         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 19f6ba4dd661 -r b71432c67419 source/common/x86/ipfilter8.asm
--- a/source/common/x86/ipfilter8.asm	Mon Mar 16 10:47:09 2015 +0530
+++ b/source/common/x86/ipfilter8.asm	Mon Mar 16 11:03:09 2015 +0530
@@ -2038,7 +2038,101 @@
 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                         r4d,                %2                           ;height
+    add                         r3d,               r3d
+    vbroadcasti128              m2,                [pw_1]
+    mova                        m7,                [interp8_hps_shuf]
+
+    ; register map
+    ; m0      - interpolate coeff
+    ; m1 , m6 - shuffle order table
+    ; m2      - pw_1
+
+    sub                         r0,                3
+    test                        r5d,               r5d
+    jz                          .loop
+    lea                         r6,                [r1 * 3]                     ; r8 = (N / 2 - 1) * srcStride
+    sub                         r0,                r6
+    add                         r4d,                7
+
+.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,                m2
+    pmaddwd                     m4,                m2
+    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,                m2
+    pmaddwd                     m5,                m2
+    packssdw                    m4,                m5
+
+    pmaddwd                     m3,                m2
+    pmaddwd                     m4,                m2
+    packssdw                    m3,                m4
+    vpermd                      m3,                m7,             m3
+    psubw                       m3,                [pw_2000]
+
+    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,                m2
+    pmaddwd                     m4,                m2
+    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,                m2
+    pmaddwd                     m5,                m2
+    packssdw                    m4,                m5
+
+    pmaddwd                     m3,                m2
+    pmaddwd                     m4,                m2
+    packssdw                    m3,                m4
+    vpermd                      m3,                m7,             m3
+    psubw                       m3,                [pw_2000]
+
+    movu                        [r2 + 32],         m3                          ;row 0
+
+    add                         r0,                r1
+    add                         r2,                r3
+    dec                         r4d
+    jnz                         .loop
+    RET
+%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)
 ;--------------------------------------------------------------------------------------------------------------


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