Source code
Revision control
Copy as Markdown
Other Tools
/*
* Copyright (c) 2023, Alliance for Open Media. All rights reserved.
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <arm_neon.h>
#include "aom_dsp/arm/aom_neon_sve_bridge.h"
#include "aom_dsp/arm/mem_neon.h"
#include "config/aom_config.h"
#include "config/aom_dsp_rtcd.h"
static inline uint64_t aom_sum_squares_2d_i16_4xh_sve(const int16_t *src,
int stride, int height) {
int64x2_t sum_squares = vdupq_n_s64(0);
do {
int16x8_t s = vcombine_s16(vld1_s16(src), vld1_s16(src + stride));
sum_squares = aom_sdotq_s16(sum_squares, s, s);
src += 2 * stride;
height -= 2;
} while (height != 0);
return (uint64_t)vaddvq_s64(sum_squares);
}
static inline uint64_t aom_sum_squares_2d_i16_8xh_sve(const int16_t *src,
int stride, int height) {
int64x2_t sum_squares[2] = { vdupq_n_s64(0), vdupq_n_s64(0) };
do {
int16x8_t s0 = vld1q_s16(src + 0 * stride);
int16x8_t s1 = vld1q_s16(src + 1 * stride);
sum_squares[0] = aom_sdotq_s16(sum_squares[0], s0, s0);
sum_squares[1] = aom_sdotq_s16(sum_squares[1], s1, s1);
src += 2 * stride;
height -= 2;
} while (height != 0);
sum_squares[0] = vaddq_s64(sum_squares[0], sum_squares[1]);
return (uint64_t)vaddvq_s64(sum_squares[0]);
}
static inline uint64_t aom_sum_squares_2d_i16_large_sve(const int16_t *src,
int stride, int width,
int height) {
int64x2_t sum_squares[2] = { vdupq_n_s64(0), vdupq_n_s64(0) };
do {
const int16_t *src_ptr = src;
int w = width;
do {
int16x8_t s0 = vld1q_s16(src_ptr);
int16x8_t s1 = vld1q_s16(src_ptr + 8);
sum_squares[0] = aom_sdotq_s16(sum_squares[0], s0, s0);
sum_squares[1] = aom_sdotq_s16(sum_squares[1], s1, s1);
src_ptr += 16;
w -= 16;
} while (w != 0);
src += stride;
} while (--height != 0);
sum_squares[0] = vaddq_s64(sum_squares[0], sum_squares[1]);
return (uint64_t)vaddvq_s64(sum_squares[0]);
}
static inline uint64_t aom_sum_squares_2d_i16_wxh_sve(const int16_t *src,
int stride, int width,
int height) {
svint64_t sum_squares = svdup_n_s64(0);
uint64_t step = svcnth();
do {
const int16_t *src_ptr = src;
int w = 0;
do {
svbool_t pred = svwhilelt_b16_u32(w, width);
svint16_t s0 = svld1_s16(pred, src_ptr);
sum_squares = svdot_s64(sum_squares, s0, s0);
src_ptr += step;
w += step;
} while (w < width);
src += stride;
} while (--height != 0);
return (uint64_t)svaddv_s64(svptrue_b64(), sum_squares);
}
uint64_t aom_sum_squares_2d_i16_sve(const int16_t *src, int stride, int width,
int height) {
if (width == 4) {
return aom_sum_squares_2d_i16_4xh_sve(src, stride, height);
}
if (width == 8) {
return aom_sum_squares_2d_i16_8xh_sve(src, stride, height);
}
if (width % 16 == 0) {
return aom_sum_squares_2d_i16_large_sve(src, stride, width, height);
}
return aom_sum_squares_2d_i16_wxh_sve(src, stride, width, height);
}
uint64_t aom_sum_squares_i16_sve(const int16_t *src, uint32_t n) {
// This function seems to be called only for values of N >= 64. See
// av1/encoder/compound_type.c. Additionally, because N = width x height for
// width and height between the standard block sizes, N will also be a
// multiple of 64.
if (LIKELY(n % 64 == 0)) {
int64x2_t sum[4] = { vdupq_n_s64(0), vdupq_n_s64(0), vdupq_n_s64(0),
vdupq_n_s64(0) };
do {
int16x8_t s0 = vld1q_s16(src);
int16x8_t s1 = vld1q_s16(src + 8);
int16x8_t s2 = vld1q_s16(src + 16);
int16x8_t s3 = vld1q_s16(src + 24);
sum[0] = aom_sdotq_s16(sum[0], s0, s0);
sum[1] = aom_sdotq_s16(sum[1], s1, s1);
sum[2] = aom_sdotq_s16(sum[2], s2, s2);
sum[3] = aom_sdotq_s16(sum[3], s3, s3);
src += 32;
n -= 32;
} while (n != 0);
sum[0] = vaddq_s64(sum[0], sum[1]);
sum[2] = vaddq_s64(sum[2], sum[3]);
sum[0] = vaddq_s64(sum[0], sum[2]);
return vaddvq_s64(sum[0]);
}
return aom_sum_squares_i16_c(src, n);
}
static inline uint64_t aom_sum_sse_2d_i16_4xh_sve(const int16_t *src,
int stride, int height,
int *sum) {
int64x2_t sse = vdupq_n_s64(0);
int32x4_t sum_s32 = vdupq_n_s32(0);
do {
int16x8_t s = vcombine_s16(vld1_s16(src), vld1_s16(src + stride));
sse = aom_sdotq_s16(sse, s, s);
sum_s32 = vpadalq_s16(sum_s32, s);
src += 2 * stride;
height -= 2;
} while (height != 0);
*sum += vaddvq_s32(sum_s32);
return vaddvq_s64(sse);
}
static inline uint64_t aom_sum_sse_2d_i16_8xh_sve(const int16_t *src,
int stride, int height,
int *sum) {
int64x2_t sse[2] = { vdupq_n_s64(0), vdupq_n_s64(0) };
int32x4_t sum_acc[2] = { vdupq_n_s32(0), vdupq_n_s32(0) };
do {
int16x8_t s0 = vld1q_s16(src);
int16x8_t s1 = vld1q_s16(src + stride);
sse[0] = aom_sdotq_s16(sse[0], s0, s0);
sse[1] = aom_sdotq_s16(sse[1], s1, s1);
sum_acc[0] = vpadalq_s16(sum_acc[0], s0);
sum_acc[1] = vpadalq_s16(sum_acc[1], s1);
src += 2 * stride;
height -= 2;
} while (height != 0);
*sum += vaddvq_s32(vaddq_s32(sum_acc[0], sum_acc[1]));
return vaddvq_s64(vaddq_s64(sse[0], sse[1]));
}
static inline uint64_t aom_sum_sse_2d_i16_16xh_sve(const int16_t *src,
int stride, int width,
int height, int *sum) {
int64x2_t sse[2] = { vdupq_n_s64(0), vdupq_n_s64(0) };
int32x4_t sum_acc[2] = { vdupq_n_s32(0), vdupq_n_s32(0) };
do {
int w = 0;
do {
int16x8_t s0 = vld1q_s16(src + w);
int16x8_t s1 = vld1q_s16(src + w + 8);
sse[0] = aom_sdotq_s16(sse[0], s0, s0);
sse[1] = aom_sdotq_s16(sse[1], s1, s1);
sum_acc[0] = vpadalq_s16(sum_acc[0], s0);
sum_acc[1] = vpadalq_s16(sum_acc[1], s1);
w += 16;
} while (w < width);
src += stride;
} while (--height != 0);
*sum += vaddvq_s32(vaddq_s32(sum_acc[0], sum_acc[1]));
return vaddvq_s64(vaddq_s64(sse[0], sse[1]));
}
uint64_t aom_sum_sse_2d_i16_sve(const int16_t *src, int stride, int width,
int height, int *sum) {
uint64_t sse;
if (width == 4) {
sse = aom_sum_sse_2d_i16_4xh_sve(src, stride, height, sum);
} else if (width == 8) {
sse = aom_sum_sse_2d_i16_8xh_sve(src, stride, height, sum);
} else if (width % 16 == 0) {
sse = aom_sum_sse_2d_i16_16xh_sve(src, stride, width, height, sum);
} else {
sse = aom_sum_sse_2d_i16_c(src, stride, width, height, sum);
}
return sse;
}
#if CONFIG_AV1_HIGHBITDEPTH
static inline uint64_t aom_var_2d_u16_4xh_sve(uint8_t *src, int src_stride,
int width, int height) {
uint16_t *src_u16 = CONVERT_TO_SHORTPTR(src);
uint64_t sum = 0;
uint64_t sse = 0;
uint32x4_t sum_u32 = vdupq_n_u32(0);
uint64x2_t sse_u64 = vdupq_n_u64(0);
int h = height;
do {
uint16x8_t s0 =
vcombine_u16(vld1_u16(src_u16), vld1_u16(src_u16 + src_stride));
sum_u32 = vpadalq_u16(sum_u32, s0);
sse_u64 = aom_udotq_u16(sse_u64, s0, s0);
src_u16 += 2 * src_stride;
h -= 2;
} while (h != 0);
sum += vaddlvq_u32(sum_u32);
sse += vaddvq_u64(sse_u64);
return sse - sum * sum / (width * height);
}
static inline uint64_t aom_var_2d_u16_8xh_sve(uint8_t *src, int src_stride,
int width, int height) {
uint16_t *src_u16 = CONVERT_TO_SHORTPTR(src);
uint64_t sum = 0;
uint64_t sse = 0;
uint32x4_t sum_u32 = vdupq_n_u32(0);
uint64x2_t sse_u64 = vdupq_n_u64(0);
int h = height;
do {
int w = width;
uint16_t *src_ptr = src_u16;
do {
uint16x8_t s0 = vld1q_u16(src_ptr);
sum_u32 = vpadalq_u16(sum_u32, s0);
sse_u64 = aom_udotq_u16(sse_u64, s0, s0);
src_ptr += 8;
w -= 8;
} while (w != 0);
src_u16 += src_stride;
} while (--h != 0);
sum += vaddlvq_u32(sum_u32);
sse += vaddvq_u64(sse_u64);
return sse - sum * sum / (width * height);
}
static inline uint64_t aom_var_2d_u16_16xh_sve(uint8_t *src, int src_stride,
int width, int height) {
uint16_t *src_u16 = CONVERT_TO_SHORTPTR(src);
uint64_t sum = 0;
uint64_t sse = 0;
uint32x4_t sum_u32[2] = { vdupq_n_u32(0), vdupq_n_u32(0) };
uint64x2_t sse_u64[2] = { vdupq_n_u64(0), vdupq_n_u64(0) };
int h = height;
do {
int w = width;
uint16_t *src_ptr = src_u16;
do {
uint16x8_t s0 = vld1q_u16(src_ptr);
uint16x8_t s1 = vld1q_u16(src_ptr + 8);
sum_u32[0] = vpadalq_u16(sum_u32[0], s0);
sum_u32[1] = vpadalq_u16(sum_u32[1], s1);
sse_u64[0] = aom_udotq_u16(sse_u64[0], s0, s0);
sse_u64[1] = aom_udotq_u16(sse_u64[1], s1, s1);
src_ptr += 16;
w -= 16;
} while (w != 0);
src_u16 += src_stride;
} while (--h != 0);
sum_u32[0] = vaddq_u32(sum_u32[0], sum_u32[1]);
sse_u64[0] = vaddq_u64(sse_u64[0], sse_u64[1]);
sum += vaddlvq_u32(sum_u32[0]);
sse += vaddvq_u64(sse_u64[0]);
return sse - sum * sum / (width * height);
}
static inline uint64_t aom_var_2d_u16_large_sve(uint8_t *src, int src_stride,
int width, int height) {
uint16_t *src_u16 = CONVERT_TO_SHORTPTR(src);
uint64_t sum = 0;
uint64_t sse = 0;
uint32x4_t sum_u32[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
vdupq_n_u32(0) };
uint64x2_t sse_u64[4] = { vdupq_n_u64(0), vdupq_n_u64(0), vdupq_n_u64(0),
vdupq_n_u64(0) };
int h = height;
do {
int w = width;
uint16_t *src_ptr = src_u16;
do {
uint16x8_t s0 = vld1q_u16(src_ptr);
uint16x8_t s1 = vld1q_u16(src_ptr + 8);
uint16x8_t s2 = vld1q_u16(src_ptr + 16);
uint16x8_t s3 = vld1q_u16(src_ptr + 24);
sum_u32[0] = vpadalq_u16(sum_u32[0], s0);
sum_u32[1] = vpadalq_u16(sum_u32[1], s1);
sum_u32[2] = vpadalq_u16(sum_u32[2], s2);
sum_u32[3] = vpadalq_u16(sum_u32[3], s3);
sse_u64[0] = aom_udotq_u16(sse_u64[0], s0, s0);
sse_u64[1] = aom_udotq_u16(sse_u64[1], s1, s1);
sse_u64[2] = aom_udotq_u16(sse_u64[2], s2, s2);
sse_u64[3] = aom_udotq_u16(sse_u64[3], s3, s3);
src_ptr += 32;
w -= 32;
} while (w != 0);
src_u16 += src_stride;
} while (--h != 0);
sum_u32[0] = vaddq_u32(sum_u32[0], sum_u32[1]);
sum_u32[2] = vaddq_u32(sum_u32[2], sum_u32[3]);
sum_u32[0] = vaddq_u32(sum_u32[0], sum_u32[2]);
sse_u64[0] = vaddq_u64(sse_u64[0], sse_u64[1]);
sse_u64[2] = vaddq_u64(sse_u64[2], sse_u64[3]);
sse_u64[0] = vaddq_u64(sse_u64[0], sse_u64[2]);
sum += vaddlvq_u32(sum_u32[0]);
sse += vaddvq_u64(sse_u64[0]);
return sse - sum * sum / (width * height);
}
uint64_t aom_var_2d_u16_sve(uint8_t *src, int src_stride, int width,
int height) {
if (width == 4) {
return aom_var_2d_u16_4xh_sve(src, src_stride, width, height);
}
if (width == 8) {
return aom_var_2d_u16_8xh_sve(src, src_stride, width, height);
}
if (width == 16) {
return aom_var_2d_u16_16xh_sve(src, src_stride, width, height);
}
if (width % 32 == 0) {
return aom_var_2d_u16_large_sve(src, src_stride, width, height);
}
return aom_var_2d_u16_neon(src, src_stride, width, height);
}
#endif // CONFIG_AV1_HIGHBITDEPTH