[x265] [PATCH] asm-ssse3: filter_p2s[12x16](10.41x), filter_p2s[24x32](13.26x),

chen chenm003 at 163.com
Mon Mar 9 20:00:25 CET 2015


Full unroll is bad case, it made low cache performance
I suggest unroll 2 rows, eg: 24x32 you may process 64 or 128 pixels every time

At 2015-03-09 13:40:56,rajesh at multicorewareinc.com wrote:
># HG changeset patch
># User Rajesh Paulraj<rajesh at multicorewareinc.com>
># Date 1425879590 -19800
>#      Mon Mar 09 11:09:50 2015 +0530
># Node ID 38ea9788d3e652d6fd53518b3943b636d55bb0b4
># Parent  043c2418864b0a3ada6f597e6def6ead73d90b5f
>asm-ssse3: filter_p2s[12x16](10.41x), filter_p2s[24x32](13.26x),
>           filter_p2s[48x64](8.43x)
>
>diff -r 043c2418864b -r 38ea9788d3e6 source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp	Fri Mar 06 13:15:55 2015 -0600
>+++ b/source/common/x86/asm-primitives.cpp	Mon Mar 09 11:09:50 2015 +0530
>@@ -1260,7 +1260,9 @@
>         p.pu[LUMA_64x32].filter_p2s = x265_pixelToShort_64x32_ssse3;
>         p.pu[LUMA_64x48].filter_p2s = x265_pixelToShort_64x48_ssse3;
>         p.pu[LUMA_64x64].filter_p2s = x265_pixelToShort_64x64_ssse3;
>-
>+        p.pu[LUMA_12x16].filter_p2s = x265_pixelToShort_12x16_ssse3;
>+        p.pu[LUMA_24x32].filter_p2s = x265_pixelToShort_24x32_ssse3;
>+        p.pu[LUMA_48x64].filter_p2s = x265_pixelToShort_48x64_ssse3;
>         p.chroma[X265_CSP_I420].p2s = x265_chroma_p2s_ssse3;
>         p.chroma[X265_CSP_I422].p2s = x265_chroma_p2s_ssse3;
> 
>diff -r 043c2418864b -r 38ea9788d3e6 source/common/x86/ipfilter8.asm
>--- a/source/common/x86/ipfilter8.asm	Fri Mar 06 13:15:55 2015 -0600
>+++ b/source/common/x86/ipfilter8.asm	Mon Mar 09 11:09:50 2015 +0530
>@@ -4,6 +4,7 @@
> ;* Authors: Min Chen <chenm003 at 163.com>
> ;*          Nabajit Deka <nabajit at multicorewareinc.com>
> ;*          Praveen Kumar Tiwari <praveen at multicorewareinc.com>
>+;*          Rajesh Paulraj <rajesh at multicorewareinc.com>
> ;*
> ;* 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
>@@ -5811,8 +5812,9 @@
> FILTER_V4_W16n_H2 64, 48
> FILTER_V4_W16n_H2 48, 64
> FILTER_V4_W16n_H2 64, 16
>-;-----------------------------------------------------------------------------
>-; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst, int width, int height)
>+
>+;-----------------------------------------------------------------------------
>+; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst)
> ;-----------------------------------------------------------------------------
> %macro PIXEL_WH_4xN 2
> INIT_XMM ssse3
>@@ -5873,9 +5875,8 @@
> PIXEL_WH_4xN 4, 4
> PIXEL_WH_4xN 4, 8
> PIXEL_WH_4xN 4, 16
>-
>-;-----------------------------------------------------------------------------
>-; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst, int width, int height)
>+;-----------------------------------------------------------------------------
>+; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst)
> ;-----------------------------------------------------------------------------
> %macro PIXEL_WH_8xN 2
> INIT_XMM ssse3
>@@ -5935,10 +5936,8 @@
> PIXEL_WH_8xN 8, 4
> PIXEL_WH_8xN 8, 16
> PIXEL_WH_8xN 8, 32
>-
>-
>-;-----------------------------------------------------------------------------
>-; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst, int width, int height)
>+;-----------------------------------------------------------------------------
>+; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst)
> ;-----------------------------------------------------------------------------
> %macro PIXEL_WH_16xN 2
> INIT_XMM ssse3
>@@ -6000,9 +5999,8 @@
> PIXEL_WH_16xN 16, 12
> PIXEL_WH_16xN 16, 32
> PIXEL_WH_16xN 16, 64
>-
>-;-----------------------------------------------------------------------------
>-; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst, int width, int height)
>+;-----------------------------------------------------------------------------
>+; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst)
> ;-----------------------------------------------------------------------------
> %macro PIXEL_WH_32xN 2
> INIT_XMM ssse3
>@@ -6063,9 +6061,8 @@
> PIXEL_WH_32xN 32, 16
> PIXEL_WH_32xN 32, 24
> PIXEL_WH_32xN 32, 64
>-
>-;-----------------------------------------------------------------------------
>-; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst, int width, int height)
>+;-----------------------------------------------------------------------------
>+; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst)
> ;-----------------------------------------------------------------------------
> %macro PIXEL_WH_64xN 2
> INIT_XMM ssse3
>@@ -6126,6 +6123,148 @@
> PIXEL_WH_64xN 64, 32
> PIXEL_WH_64xN 64, 48
> 
>+;-----------------------------------------------------------------------------
>+; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst)
>+;-----------------------------------------------------------------------------
>+INIT_XMM ssse3
>+cglobal pixelToShort_12x16, 3, 4, 6
>+
>+    ; load constant
>+    mova        m4, [pb_128]
>+    mova        m5, [tab_c_64_n64]
>+
>+%rep 4
>+
>+    movu        m0, [r0]
>+    punpcklbw   m1, m0, m4
>+    punpckhbw   m0, m4
>+    pmaddubsw   m0, m5
>+    pmaddubsw   m1, m5
>+
>+    movu        m2, [r0 + r1]
>+    punpcklbw   m3, m2, m4
>+    punpckhbw   m2, m4
>+    pmaddubsw   m2, m5
>+    pmaddubsw   m3, m5
>+
>+    movu        [r2 + FENC_STRIDE * 0], m1
>+    movu        [r2 + FENC_STRIDE * 2], m3
>+
>+    movh        [r2 + FENC_STRIDE * 0 + 16], m0
>+    movh        [r2 + FENC_STRIDE * 2 + 16], m2
>+
>+    movu        m0, [r0 + r1 * 2]
>+    punpcklbw   m1, m0, m4
>+    punpckhbw   m0, m4
>+    pmaddubsw   m0, m5
>+    pmaddubsw   m1, m5
>+
>+    lea         r3, [r0 + r1 * 2]
>+    movu        m2, [r3 + r1]
>+    punpcklbw   m3, m2, m4
>+    punpckhbw   m2, m4
>+    pmaddubsw   m2, m5
>+    pmaddubsw   m3, m5
>+
>+    movu        [r2 + FENC_STRIDE * 4], m1
>+    movu        [r2 + FENC_STRIDE * 6], m3
>+
>+    movh        [r2 + FENC_STRIDE * 4 + 16], m0
>+    movh        [r2 + FENC_STRIDE * 6 + 16], m2
>+
>+    lea         r0, [r0 + r1 * 4]
>+    add         r2, FENC_STRIDE * 8
>+%endrep
>+    RET
>+
>+;-----------------------------------------------------------------------------
>+; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst)
>+;-----------------------------------------------------------------------------
>+INIT_XMM ssse3
>+cglobal pixelToShort_24x32, 3, 4, 6
>+
>+    ; load constant
>+    mova        m4, [pb_128]
>+    mova        m5, [tab_c_64_n64]
>+
>+%rep 8
>+%assign x 0
>+%rep 3
>+    lea         r3, [r0 + x]
>+
>+    movh        m0, [r3]
>+    punpcklbw   m0, m4
>+    pmaddubsw   m0, m5
>+
>+    movh        m1, [r3 + r1]
>+    punpcklbw   m1, m4
>+    pmaddubsw   m1, m5
>+
>+    movh        m2, [r3 + r1 * 2]
>+    punpcklbw   m2, m4
>+    pmaddubsw   m2, m5
>+
>+    lea         r3, [r3 + r1 * 2]
>+    movh        m3, [r3 + r1]
>+    punpcklbw   m3, m4
>+    pmaddubsw   m3, m5
>+
>+%assign x x+8
>+
>+    movu        [r2 + x * 2 + FENC_STRIDE * 0 - 16], m0
>+    movu        [r2 + x * 2 + FENC_STRIDE * 2 - 16], m1
>+    movu        [r2 + x * 2 + FENC_STRIDE * 4 - 16], m2
>+    movu        [r2 + x * 2 + FENC_STRIDE * 6 - 16], m3
>+%endrep
>+    lea         r0, [r0 + r1 * 4]
>+    add         r2, FENC_STRIDE * 8
>+%endrep
>+    RET
>+
>+;-----------------------------------------------------------------------------
>+; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst)
>+;-----------------------------------------------------------------------------
>+INIT_XMM ssse3
>+cglobal pixelToShort_48x64, 3, 4, 6
>+
>+    ; load constant
>+    mova        m4, [pb_128]
>+    mova        m5, [tab_c_64_n64]
>+
>+%rep 16
>+%assign x 0
>+%rep 6
>+    lea         r3, [r0 + x]
>+
>+    movh        m0, [r3]
>+    punpcklbw   m0, m4
>+    pmaddubsw   m0, m5
>+
>+    movh        m1, [r3 + r1]
>+    punpcklbw   m1, m4
>+    pmaddubsw   m1, m5
>+
>+    movh        m2, [r3 + r1 * 2]
>+    punpcklbw   m2, m4
>+    pmaddubsw   m2, m5
>+
>+    lea         r3, [r3 + r1 * 2]
>+    movh        m3, [r3 + r1]
>+    punpcklbw   m3, m4
>+    pmaddubsw   m3, m5
>+
>+%assign x x+8
>+
>+    movu        [r2 + x * 2 + FENC_STRIDE * 0 - 16], m0
>+    movu        [r2 + x * 2 + FENC_STRIDE * 2 - 16], m1
>+    movu        [r2 + x * 2 + FENC_STRIDE * 4 - 16], m2
>+    movu        [r2 + x * 2 + FENC_STRIDE * 6 - 16], m3
>+%endrep
>+    lea         r0, [r0 + r1 * 4]
>+    add         r2, FENC_STRIDE * 8
>+%endrep
>+    RET
>+
> %macro PROCESS_LUMA_W4_4R 0
>     movd        m0, [r0]
>     movd        m1, [r0 + r1]
>diff -r 043c2418864b -r 38ea9788d3e6 source/common/x86/ipfilter8.h
>--- a/source/common/x86/ipfilter8.h	Fri Mar 06 13:15:55 2015 -0600
>+++ b/source/common/x86/ipfilter8.h	Mon Mar 09 11:09:50 2015 +0530
>@@ -642,6 +642,10 @@
> void x265_pixelToShort_64x32_ssse3(const pixel* src, intptr_t srcStride, int16_t* dst);
> void x265_pixelToShort_64x48_ssse3(const pixel* src, intptr_t srcStride, int16_t* dst);
> void x265_pixelToShort_64x64_ssse3(const pixel* src, intptr_t srcStride, int16_t* dst);
>+void x265_pixelToShort_12x16_ssse3(const pixel* src, intptr_t srcStride, int16_t* dst);
>+void x265_pixelToShort_24x32_ssse3(const pixel* src, intptr_t srcStride, int16_t* dst);
>+void x265_pixelToShort_48x64_ssse3(const pixel* src, intptr_t srcStride, int16_t* dst);
>+
> #undef LUMA_FILTERS
> #undef LUMA_SP_FILTERS
> #undef LUMA_SS_FILTERS
>diff -r 043c2418864b -r 38ea9788d3e6 source/test/ipfilterharness.cpp
>--- a/source/test/ipfilterharness.cpp	Fri Mar 06 13:15:55 2015 -0600
>+++ b/source/test/ipfilterharness.cpp	Mon Mar 09 11:09:50 2015 +0530
>@@ -523,7 +523,7 @@
> 
>         checked(opt, pixel_test_buff[index] + i, rand_srcStride, IPF_vec_output_s);
> 
>-        if (memcmp(IPF_vec_output_s, IPF_C_output_s, TEST_BUF_SIZE * sizeof(pixel)))
>+        if (memcmp(IPF_vec_output_s, IPF_C_output_s, TEST_BUF_SIZE * sizeof(int16_t)))
>             return false;
> 
>         reportfail();
>_______________________________________________
>x265-devel mailing list
>x265-devel at videolan.org
>https://mailman.videolan.org/listinfo/x265-devel
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.videolan.org/pipermail/x265-devel/attachments/20150310/89a6546d/attachment-0001.html>


More information about the x265-devel mailing list