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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/aom_dsp/arm/sum_squares_sve.c | 402 |
1 files changed, 402 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/arm/sum_squares_sve.c b/third_party/aom/aom_dsp/arm/sum_squares_sve.c new file mode 100644 index 0000000000..724e43859e --- /dev/null +++ b/third_party/aom/aom_dsp/arm/sum_squares_sve.c @@ -0,0 +1,402 @@ +/* + * 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/dot_sve.h" +#include "aom_dsp/arm/mem_neon.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; +} + +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); +} |