diff options
Diffstat (limited to 'xs/src/igl/svd3x3_avx.cpp')
| -rw-r--r-- | xs/src/igl/svd3x3_avx.cpp | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/xs/src/igl/svd3x3_avx.cpp b/xs/src/igl/svd3x3_avx.cpp deleted file mode 100644 index db56ee30a..000000000 --- a/xs/src/igl/svd3x3_avx.cpp +++ /dev/null @@ -1,108 +0,0 @@ -// This file is part of libigl, a simple c++ geometry processing library. -// -// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com> -// -// This Source Code Form is subject to the terms of the Mozilla Public License -// v. 2.0. If a copy of the MPL was not distributed with this file, You can -// obtain one at http://mozilla.org/MPL/2.0/. -#ifdef __AVX__ -#include "svd3x3_avx.h" - -#include <cmath> -#include <algorithm> - -#undef USE_SCALAR_IMPLEMENTATION -#undef USE_SSE_IMPLEMENTATION -#define USE_AVX_IMPLEMENTATION -#define COMPUTE_U_AS_MATRIX -#define COMPUTE_V_AS_MATRIX -#include "Singular_Value_Decomposition_Preamble.hpp" - -#pragma runtime_checks( "u", off ) // disable runtime asserts on xor eax,eax type of stuff (doesn't always work, disable explicitly in compiler settings) -template<typename T> -IGL_INLINE void igl::svd3x3_avx( - const Eigen::Matrix<T, 3*8, 3>& A, - Eigen::Matrix<T, 3*8, 3> &U, - Eigen::Matrix<T, 3*8, 1> &S, - Eigen::Matrix<T, 3*8, 3>&V) -{ - // this code assumes USE_AVX_IMPLEMENTATION is defined - float Ashuffle[9][8], Ushuffle[9][8], Vshuffle[9][8], Sshuffle[3][8]; - for (int i=0; i<3; i++) - { - for (int j=0; j<3; j++) - { - for (int k=0; k<8; k++) - { - Ashuffle[i + j*3][k] = A(i + 3*k, j); - } - } - } - -#include "Singular_Value_Decomposition_Kernel_Declarations.hpp" - - ENABLE_AVX_IMPLEMENTATION(Va11=_mm256_loadu_ps(Ashuffle[0]);) - ENABLE_AVX_IMPLEMENTATION(Va21=_mm256_loadu_ps(Ashuffle[1]);) - ENABLE_AVX_IMPLEMENTATION(Va31=_mm256_loadu_ps(Ashuffle[2]);) - ENABLE_AVX_IMPLEMENTATION(Va12=_mm256_loadu_ps(Ashuffle[3]);) - ENABLE_AVX_IMPLEMENTATION(Va22=_mm256_loadu_ps(Ashuffle[4]);) - ENABLE_AVX_IMPLEMENTATION(Va32=_mm256_loadu_ps(Ashuffle[5]);) - ENABLE_AVX_IMPLEMENTATION(Va13=_mm256_loadu_ps(Ashuffle[6]);) - ENABLE_AVX_IMPLEMENTATION(Va23=_mm256_loadu_ps(Ashuffle[7]);) - ENABLE_AVX_IMPLEMENTATION(Va33=_mm256_loadu_ps(Ashuffle[8]);) - -#include "Singular_Value_Decomposition_Main_Kernel_Body.hpp" - - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[0],Vu11);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[1],Vu21);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[2],Vu31);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[3],Vu12);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[4],Vu22);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[5],Vu32);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[6],Vu13);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[7],Vu23);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[8],Vu33);) - - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[0],Vv11);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[1],Vv21);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[2],Vv31);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[3],Vv12);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[4],Vv22);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[5],Vv32);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[6],Vv13);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[7],Vv23);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[8],Vv33);) - - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Sshuffle[0],Va11);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Sshuffle[1],Va22);) - ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Sshuffle[2],Va33);) - - for (int i=0; i<3; i++) - { - for (int j=0; j<3; j++) - { - for (int k=0; k<8; k++) - { - U(i + 3*k, j) = Ushuffle[i + j*3][k]; - V(i + 3*k, j) = Vshuffle[i + j*3][k]; - } - } - } - - for (int i=0; i<3; i++) - { - for (int k=0; k<8; k++) - { - S(i + 3*k, 0) = Sshuffle[i][k]; - } - } -} -#pragma runtime_checks( "u", restore ) - -#ifdef IGL_STATIC_LIBRARY -// forced instantiation -//template void igl::svd3x3_avx(const Eigen::Matrix<float, 3*8, 3>& A, Eigen::Matrix<float, 3*8, 3> &U, Eigen::Matrix<float, 3*8, 1> &S, Eigen::Matrix<float, 3*8, 3>&V); -// doesn't even make sense with double because the wunder-SVD code is only single precision anyway... -template void igl::svd3x3_avx<float>(Eigen::Matrix<float, 24, 3, 0, 24, 3> const&, Eigen::Matrix<float, 24, 3, 0, 24, 3>&, Eigen::Matrix<float, 24, 1, 0, 24, 1>&, Eigen::Matrix<float, 24, 3, 0, 24, 3>&); -#endif -#endif |