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Added sse2 instrinsic version of vp8_sad16x3

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3.7% boost in decoder performance for the clip used.

Change-Id: I74f28486a9352b472b36e21b5eaf30eff35e9199
This commit is contained in:
Scott LaVarnway 2012-10-22 16:16:04 -07:00 committed by Gerrit Code Review
parent cb9e6abf80
commit 9ba2efd034
3 changed files with 55 additions and 2 deletions
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4
vp8/common/rtcd_defs.sh
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@ -177,11 +177,13 @@ vp8_loop_filter_simple_bh_neon=vp8_loop_filter_bhs_neon
#
# sad 16x3, 3x16
#
if [ "$CONFIG_NEWBESTREFMV" = "yes" ]; then
prototype unsigned int vp8_sad16x3 "const unsigned char *src_ptr, int src_stride, const unsigned char *ref_ptr, int ref_stride, int max_sad"
specialize vp8_sad16x3
specialize vp8_sad16x3 sse2
prototype unsigned int vp8_sad3x16 "const unsigned char *src_ptr, int src_stride, const unsigned char *ref_ptr, int ref_stride, int max_sad"
specialize vp8_sad3x16
fi
#
# Encoder functions below this point.

50
vp8/common/x86/sadmxn_x86.c Normal file
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@ -0,0 +1,50 @@
/*
* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <emmintrin.h> // SSE2
#include "./vpx_config.h"
#include "./vpx_rtcd.h"
#if CONFIG_NEWBESTREFMV
#if HAVE_SSE2
unsigned int vp8_sad16x3_sse2(
const unsigned char *src_ptr,
int src_stride,
const unsigned char *ref_ptr,
int ref_stride,
int max_sad) {
__m128i s0, s1, s2;
__m128i r0, r1, r2;
__m128i sad;
(void)max_sad;
s0 = _mm_loadu_si128((const __m128i *)(src_ptr + 0 * src_stride));
s1 = _mm_loadu_si128((const __m128i *)(src_ptr + 1 * src_stride));
s2 = _mm_loadu_si128((const __m128i *)(src_ptr + 2 * src_stride));
r0 = _mm_loadu_si128((const __m128i *)(ref_ptr + 0 * src_stride));
r1 = _mm_loadu_si128((const __m128i *)(ref_ptr + 1 * src_stride));
r2 = _mm_loadu_si128((const __m128i *)(ref_ptr + 2 * src_stride));
sad = _mm_sad_epu8(s0, r0);
sad = _mm_add_epi16(sad, _mm_sad_epu8(s1, r1));
sad = _mm_add_epi16(sad, _mm_sad_epu8(s2, r2));
sad = _mm_add_epi16(sad, _mm_srli_si128(sad, 8));
return _mm_cvtsi128_si32(sad);
}
#endif
#endif // CONFIG_NEWBESTREFMV

3
vp8/vp8_common.mk
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@ -118,10 +118,11 @@ vp8/common/x86/filter_sse4.c.o: CFLAGS += -msse4
endif
VP8_COMMON_SRCS-$(HAVE_SSE2) += common/x86/filter_sse2.c
VP8_COMMON_SRCS-$(HAVE_SSE2) += common/x86/sadmxn_x86.c
ifeq ($(HAVE_SSE2),yes)
vp8/common/x86/filter_sse2.c.o: CFLAGS += -msse2
vp8/common/x86/loopfilter_x86.c.o: CFLAGS += -msse2
vp8/common/loopfilter_filters.c.o: CFLAGS += -msse2
vp8/common/x86/sadmxn_x86.c.o: CFLAGS += -msse2
endif
VP8_COMMON_SRCS-$(ARCH_ARM) += common/arm/arm_systemdependent.c