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https://chromium.googlesource.com/libyuv/libyuv
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4f7fd808b7
The existing Neon code only makes use of 64-bit vectors throughout which limits the performance on larger cores. To avoid this, swap the Neon code from a Wx8 implementation to a Wx16 implementation and process blocks of 16 full vectors at a time. The original code also handled widths that were not exact multiples of 16, however this should already be handled by the "any" kernel so it is removed. Finally, avoid duplicating the TransposeWx16_C fallback kernel definition in all architectures that need it, and just put it once in rotate_common.cc instead. Observed speedups for TransposePlane across a range of micro-architectures: Cortex-A53: -40.0% Cortex-A55: -20.7% Cortex-A57: -43.9% Cortex-A510: -43.5% Cortex-A520: -43.9% Cortex-A720: -31.1% Cortex-X2: -38.3% Cortex-X4: -43.6% Change-Id: Ic7c4d5f24eb27091d743ddc00cd95ef178b6984e Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/5545459 Reviewed-by: Frank Barchard <fbarchard@chromium.org>
234 lines
9.2 KiB
C++
234 lines
9.2 KiB
C++
/*
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* Copyright 2022 The LibYuv Project Authors. All rights reserved.
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*
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* Copyright (c) 2022 Loongson Technology Corporation Limited
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "libyuv/rotate_row.h"
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#if !defined(LIBYUV_DISABLE_LSX) && defined(__loongarch_sx)
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#include "libyuv/loongson_intrinsics.h"
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#ifdef __cplusplus
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namespace libyuv {
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extern "C" {
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#endif
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#define ILVLH_B(in0, in1, in2, in3, out0, out1, out2, out3) \
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{ \
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DUP2_ARG2(__lsx_vilvl_b, in1, in0, in3, in2, out0, out2); \
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DUP2_ARG2(__lsx_vilvh_b, in1, in0, in3, in2, out1, out3); \
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}
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#define ILVLH_H(in0, in1, in2, in3, out0, out1, out2, out3) \
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{ \
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DUP2_ARG2(__lsx_vilvl_h, in1, in0, in3, in2, out0, out2); \
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DUP2_ARG2(__lsx_vilvh_h, in1, in0, in3, in2, out1, out3); \
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}
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#define ILVLH_W(in0, in1, in2, in3, out0, out1, out2, out3) \
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{ \
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DUP2_ARG2(__lsx_vilvl_w, in1, in0, in3, in2, out0, out2); \
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DUP2_ARG2(__lsx_vilvh_w, in1, in0, in3, in2, out1, out3); \
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}
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#define ILVLH_D(in0, in1, in2, in3, out0, out1, out2, out3) \
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{ \
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DUP2_ARG2(__lsx_vilvl_d, in1, in0, in3, in2, out0, out2); \
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DUP2_ARG2(__lsx_vilvh_d, in1, in0, in3, in2, out1, out3); \
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}
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#define LSX_ST_4(_dst0, _dst1, _dst2, _dst3, _dst, _stride, _stride2, \
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_stride3, _stride4) \
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{ \
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__lsx_vst(_dst0, _dst, 0); \
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__lsx_vstx(_dst1, _dst, _stride); \
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__lsx_vstx(_dst2, _dst, _stride2); \
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__lsx_vstx(_dst3, _dst, _stride3); \
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_dst += _stride4; \
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}
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#define LSX_ST_2(_dst0, _dst1, _dst, _stride, _stride2) \
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{ \
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__lsx_vst(_dst0, _dst, 0); \
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__lsx_vstx(_dst1, _dst, _stride); \
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_dst += _stride2; \
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}
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void TransposeUVWx16_C(const uint8_t* src,
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int src_stride,
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uint8_t* dst_a,
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int dst_stride_a,
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uint8_t* dst_b,
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int dst_stride_b,
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int width) {
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TransposeUVWx8_C(src, src_stride, dst_a, dst_stride_a, dst_b, dst_stride_b,
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width);
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TransposeUVWx8_C((src + 8 * src_stride), src_stride, (dst_a + 8),
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dst_stride_a, (dst_b + 8), dst_stride_b, width);
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}
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void TransposeWx16_LSX(const uint8_t* src,
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int src_stride,
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uint8_t* dst,
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int dst_stride,
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int width) {
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int x;
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int len = width / 16;
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uint8_t* s;
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int src_stride2 = src_stride << 1;
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int src_stride3 = src_stride + src_stride2;
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int src_stride4 = src_stride2 << 1;
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int dst_stride2 = dst_stride << 1;
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int dst_stride3 = dst_stride + dst_stride2;
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int dst_stride4 = dst_stride2 << 1;
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__m128i src0, src1, src2, src3, dst0, dst1, dst2, dst3;
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__m128i tmp0, tmp1, tmp2, tmp3;
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__m128i reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7;
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__m128i res0, res1, res2, res3, res4, res5, res6, res7, res8, res9;
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for (x = 0; x < len; x++) {
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s = (uint8_t*)src;
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src0 = __lsx_vld(s, 0);
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src1 = __lsx_vldx(s, src_stride);
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src2 = __lsx_vldx(s, src_stride2);
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src3 = __lsx_vldx(s, src_stride3);
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s += src_stride4;
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ILVLH_B(src0, src1, src2, src3, tmp0, tmp1, tmp2, tmp3);
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ILVLH_H(tmp0, tmp2, tmp1, tmp3, reg0, reg1, reg2, reg3);
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src0 = __lsx_vld(s, 0);
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src1 = __lsx_vldx(s, src_stride);
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src2 = __lsx_vldx(s, src_stride2);
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src3 = __lsx_vldx(s, src_stride3);
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s += src_stride4;
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ILVLH_B(src0, src1, src2, src3, tmp0, tmp1, tmp2, tmp3);
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ILVLH_H(tmp0, tmp2, tmp1, tmp3, reg4, reg5, reg6, reg7);
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ILVLH_W(reg0, reg4, reg1, reg5, res0, res1, res2, res3);
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ILVLH_W(reg2, reg6, reg3, reg7, res4, res5, res6, res7);
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src0 = __lsx_vld(s, 0);
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src1 = __lsx_vldx(s, src_stride);
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src2 = __lsx_vldx(s, src_stride2);
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src3 = __lsx_vldx(s, src_stride3);
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s += src_stride4;
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ILVLH_B(src0, src1, src2, src3, tmp0, tmp1, tmp2, tmp3);
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ILVLH_H(tmp0, tmp2, tmp1, tmp3, reg0, reg1, reg2, reg3);
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src0 = __lsx_vld(s, 0);
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src1 = __lsx_vldx(s, src_stride);
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src2 = __lsx_vldx(s, src_stride2);
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src3 = __lsx_vldx(s, src_stride3);
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s += src_stride4;
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ILVLH_B(src0, src1, src2, src3, tmp0, tmp1, tmp2, tmp3);
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ILVLH_H(tmp0, tmp2, tmp1, tmp3, reg4, reg5, reg6, reg7);
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res8 = __lsx_vilvl_w(reg4, reg0);
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res9 = __lsx_vilvh_w(reg4, reg0);
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ILVLH_D(res0, res8, res1, res9, dst0, dst1, dst2, dst3);
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LSX_ST_4(dst0, dst1, dst2, dst3, dst, dst_stride, dst_stride2, dst_stride3,
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dst_stride4);
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res8 = __lsx_vilvl_w(reg5, reg1);
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res9 = __lsx_vilvh_w(reg5, reg1);
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ILVLH_D(res2, res8, res3, res9, dst0, dst1, dst2, dst3);
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LSX_ST_4(dst0, dst1, dst2, dst3, dst, dst_stride, dst_stride2, dst_stride3,
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dst_stride4);
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res8 = __lsx_vilvl_w(reg6, reg2);
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res9 = __lsx_vilvh_w(reg6, reg2);
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ILVLH_D(res4, res8, res5, res9, dst0, dst1, dst2, dst3);
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LSX_ST_4(dst0, dst1, dst2, dst3, dst, dst_stride, dst_stride2, dst_stride3,
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dst_stride4);
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res8 = __lsx_vilvl_w(reg7, reg3);
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res9 = __lsx_vilvh_w(reg7, reg3);
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ILVLH_D(res6, res8, res7, res9, dst0, dst1, dst2, dst3);
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LSX_ST_4(dst0, dst1, dst2, dst3, dst, dst_stride, dst_stride2, dst_stride3,
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dst_stride4);
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src += 16;
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}
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}
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void TransposeUVWx16_LSX(const uint8_t* src,
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int src_stride,
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uint8_t* dst_a,
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int dst_stride_a,
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uint8_t* dst_b,
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int dst_stride_b,
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int width) {
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int x;
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int len = width / 8;
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uint8_t* s;
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int src_stride2 = src_stride << 1;
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int src_stride3 = src_stride + src_stride2;
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int src_stride4 = src_stride2 << 1;
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int dst_stride_a2 = dst_stride_a << 1;
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int dst_stride_b2 = dst_stride_b << 1;
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__m128i src0, src1, src2, src3, dst0, dst1, dst2, dst3;
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__m128i tmp0, tmp1, tmp2, tmp3;
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__m128i reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7;
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__m128i res0, res1, res2, res3, res4, res5, res6, res7, res8, res9;
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for (x = 0; x < len; x++) {
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s = (uint8_t*)src;
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src0 = __lsx_vld(s, 0);
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src1 = __lsx_vldx(s, src_stride);
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src2 = __lsx_vldx(s, src_stride2);
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src3 = __lsx_vldx(s, src_stride3);
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s += src_stride4;
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ILVLH_B(src0, src1, src2, src3, tmp0, tmp1, tmp2, tmp3);
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ILVLH_H(tmp0, tmp2, tmp1, tmp3, reg0, reg1, reg2, reg3);
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src0 = __lsx_vld(s, 0);
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src1 = __lsx_vldx(s, src_stride);
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src2 = __lsx_vldx(s, src_stride2);
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src3 = __lsx_vldx(s, src_stride3);
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s += src_stride4;
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ILVLH_B(src0, src1, src2, src3, tmp0, tmp1, tmp2, tmp3);
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ILVLH_H(tmp0, tmp2, tmp1, tmp3, reg4, reg5, reg6, reg7);
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ILVLH_W(reg0, reg4, reg1, reg5, res0, res1, res2, res3);
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ILVLH_W(reg2, reg6, reg3, reg7, res4, res5, res6, res7);
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src0 = __lsx_vld(s, 0);
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src1 = __lsx_vldx(s, src_stride);
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src2 = __lsx_vldx(s, src_stride2);
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src3 = __lsx_vldx(s, src_stride3);
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s += src_stride4;
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ILVLH_B(src0, src1, src2, src3, tmp0, tmp1, tmp2, tmp3);
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ILVLH_H(tmp0, tmp2, tmp1, tmp3, reg0, reg1, reg2, reg3);
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src0 = __lsx_vld(s, 0);
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src1 = __lsx_vldx(s, src_stride);
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src2 = __lsx_vldx(s, src_stride2);
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src3 = __lsx_vldx(s, src_stride3);
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s += src_stride4;
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ILVLH_B(src0, src1, src2, src3, tmp0, tmp1, tmp2, tmp3);
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ILVLH_H(tmp0, tmp2, tmp1, tmp3, reg4, reg5, reg6, reg7);
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res8 = __lsx_vilvl_w(reg4, reg0);
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res9 = __lsx_vilvh_w(reg4, reg0);
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ILVLH_D(res0, res8, res1, res9, dst0, dst1, dst2, dst3);
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LSX_ST_2(dst0, dst2, dst_a, dst_stride_a, dst_stride_a2);
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LSX_ST_2(dst1, dst3, dst_b, dst_stride_b, dst_stride_b2);
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res8 = __lsx_vilvl_w(reg5, reg1);
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res9 = __lsx_vilvh_w(reg5, reg1);
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ILVLH_D(res2, res8, res3, res9, dst0, dst1, dst2, dst3);
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LSX_ST_2(dst0, dst2, dst_a, dst_stride_a, dst_stride_a2);
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LSX_ST_2(dst1, dst3, dst_b, dst_stride_b, dst_stride_b2);
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res8 = __lsx_vilvl_w(reg6, reg2);
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res9 = __lsx_vilvh_w(reg6, reg2);
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ILVLH_D(res4, res8, res5, res9, dst0, dst1, dst2, dst3);
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LSX_ST_2(dst0, dst2, dst_a, dst_stride_a, dst_stride_a2);
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LSX_ST_2(dst1, dst3, dst_b, dst_stride_b, dst_stride_b2);
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res8 = __lsx_vilvl_w(reg7, reg3);
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res9 = __lsx_vilvh_w(reg7, reg3);
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ILVLH_D(res6, res8, res7, res9, dst0, dst1, dst2, dst3);
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LSX_ST_2(dst0, dst2, dst_a, dst_stride_a, dst_stride_a2);
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LSX_ST_2(dst1, dst3, dst_b, dst_stride_b, dst_stride_b2);
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src += 16;
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}
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}
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#ifdef __cplusplus
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} // extern "C"
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} // namespace libyuv
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#endif
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#endif // !defined(LIBYUV_DISABLE_LSX) && defined(__loongarch_sx)
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