# HG changeset patch
# User Sumalatha Polureddy<sumala...@multicorewareinc.com>
# Date 1426569967 -19800
# Node ID 5f185f3b799262f20d8824c3166e09dff488a666
# Parent b9948752d5516a72eeaf824e3ee6f0feb097381c
asm: avx2 code for sad[64x16] for 8bpp
see3
sad[64x16] 27.74x 733.63 20349.20
avx2
sad[64x16] 50.63x 424.97 21517.36
diff -r b9948752d551 -r 5f185f3b7992 source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp Mon Mar 16 20:40:12 2015 -0500
+++ b/source/common/x86/asm-primitives.cpp Tue Mar 17 10:56:07 2015 +0530
@@ -1445,6 +1445,7 @@
p.pu[LUMA_8x8].satd = x265_pixel_satd_8x8_avx2;
p.pu[LUMA_32x32].sad = x265_pixel_sad_32x32_avx2;
+ p.pu[LUMA_64x16].sad = x265_pixel_sad_64x16_avx2;
p.pu[LUMA_8x4].sad_x3 = x265_pixel_sad_x3_8x4_avx2;
p.pu[LUMA_8x8].sad_x3 = x265_pixel_sad_x3_8x8_avx2;
diff -r b9948752d551 -r 5f185f3b7992 source/common/x86/sad-a.asm
--- a/source/common/x86/sad-a.asm Mon Mar 16 20:40:12 2015 -0500
+++ b/source/common/x86/sad-a.asm Tue Mar 17 10:56:07 2015 +0530
@@ -3938,4 +3938,67 @@
movd eax, xm0
RET
+INIT_YMM avx2
+cglobal pixel_sad_64x16, 4,5,6
+ xorps m0, m0
+ xorps m5, m5
+ mov r4d, 4
+.loop
+ movu m1, [r0] ; first 32 of row 0 of pix0
+ movu m2, [r2] ; first 32 of row 0 of pix1
+ movu m3, [r0 + 32] ; second 32 of row 0 of pix0
+ movu m4, [r2 + 32] ; second 32 of row 0 of pix1
+
+ psadbw m1, m2
+ psadbw m3, m4
+ paddd m0, m1
+ paddd m5, m3
+
+ movu m1, [r0 + r1] ; first 32 of row 1 of pix0
+ movu m2, [r2 + r3] ; first 32 of row 1 of pix1
+ movu m3, [r0 + 32 + r1] ; second 32 of row 1 of pix0
+ movu m4, [r2 + 32 + r3] ; second 32 of row 1 of pix1
+
+ psadbw m1, m2
+ psadbw m3, m4
+ paddd m0, m1
+ paddd m5, m3
+
+ lea r2, [r2 + 2 * r3]
+ lea r0, [r0 + 2 * r1]
+
+ movu m1, [r0] ; first 32 of row 2 of pix0
+ movu m2, [r2] ; first 32 of row 2 of pix1
+ movu m3, [r0 + 32] ; second 32 of row 2 of pix0
+ movu m4, [r2 + 32] ; second 32 of row 2 of pix1
+
+ psadbw m1, m2
+ psadbw m3, m4
+ paddd m0, m1
+ paddd m5, m3
+
+ movu m1, [r0 + r1] ; first 32 of row 3 of pix0
+ movu m2, [r2 + r3] ; first 32 of row 3 of pix1
+ movu m3, [r0 + 32 + r1] ; second 32 of row 3 of pix0
+ movu m4, [r2 + 32 + r3] ; second 32 of row 3 of pix1
+
+ psadbw m1, m2
+ psadbw m3, m4
+ paddd m0, m1
+ paddd m5, m3
+
+ lea r2, [r2 + 2 * r3]
+ lea r0, [r0 + 2 * r1]
+
+ dec r4d
+ jnz .loop
+
+ paddd m0, m5
+ vextracti128 xm1, m0, 1
+ paddd xm0, xm1
+ pshufd xm1, xm0, 2
+ paddd xm0,xm1
+ movd eax, xm0
+ RET
+
%endif
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