From f0238cfb6997c4acfc2bd200de7295f3fa36968f Mon Sep 17 00:00:00 2001 From: Stanislaw Halik Date: Sun, 3 Mar 2019 21:09:10 +0100 Subject: don't index Eigen --- eigen/Eigen/src/SparseLU/SparseLU_gemm_kernel.h | 280 ------------------------ 1 file changed, 280 deletions(-) delete mode 100644 eigen/Eigen/src/SparseLU/SparseLU_gemm_kernel.h (limited to 'eigen/Eigen/src/SparseLU/SparseLU_gemm_kernel.h') diff --git a/eigen/Eigen/src/SparseLU/SparseLU_gemm_kernel.h b/eigen/Eigen/src/SparseLU/SparseLU_gemm_kernel.h deleted file mode 100644 index 95ba741..0000000 --- a/eigen/Eigen/src/SparseLU/SparseLU_gemm_kernel.h +++ /dev/null @@ -1,280 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2012 Gael Guennebaud -// -// 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/. - -#ifndef EIGEN_SPARSELU_GEMM_KERNEL_H -#define EIGEN_SPARSELU_GEMM_KERNEL_H - -namespace Eigen { - -namespace internal { - - -/** \internal - * A general matrix-matrix product kernel optimized for the SparseLU factorization. - * - A, B, and C must be column major - * - lda and ldc must be multiples of the respective packet size - * - C must have the same alignment as A - */ -template -EIGEN_DONT_INLINE -void sparselu_gemm(Index m, Index n, Index d, const Scalar* A, Index lda, const Scalar* B, Index ldb, Scalar* C, Index ldc) -{ - using namespace Eigen::internal; - - typedef typename packet_traits::type Packet; - enum { - NumberOfRegisters = EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS, - PacketSize = packet_traits::size, - PM = 8, // peeling in M - RN = 2, // register blocking - RK = NumberOfRegisters>=16 ? 4 : 2, // register blocking - BM = 4096/sizeof(Scalar), // number of rows of A-C per chunk - SM = PM*PacketSize // step along M - }; - Index d_end = (d/RK)*RK; // number of columns of A (rows of B) suitable for full register blocking - Index n_end = (n/RN)*RN; // number of columns of B-C suitable for processing RN columns at once - Index i0 = internal::first_default_aligned(A,m); - - eigen_internal_assert(((lda%PacketSize)==0) && ((ldc%PacketSize)==0) && (i0==internal::first_default_aligned(C,m))); - - // handle the non aligned rows of A and C without any optimization: - for(Index i=0; i(BM, m-ib); // actual number of rows - Index actual_b_end1 = (actual_b/SM)*SM; // actual number of rows suitable for peeling - Index actual_b_end2 = (actual_b/PacketSize)*PacketSize; // actual number of rows suitable for vectorization - - // Let's process two columns of B-C at once - for(Index j=0; j(Bc0[0]); } - { b10 = pset1(Bc0[1]); } - if(RK==4) { b20 = pset1(Bc0[2]); } - if(RK==4) { b30 = pset1(Bc0[3]); } - { b01 = pset1(Bc1[0]); } - { b11 = pset1(Bc1[1]); } - if(RK==4) { b21 = pset1(Bc1[2]); } - if(RK==4) { b31 = pset1(Bc1[3]); } - - Packet a0, a1, a2, a3, c0, c1, t0, t1; - - const Scalar* A0 = A+ib+(k+0)*lda; - const Scalar* A1 = A+ib+(k+1)*lda; - const Scalar* A2 = A+ib+(k+2)*lda; - const Scalar* A3 = A+ib+(k+3)*lda; - - Scalar* C0 = C+ib+(j+0)*ldc; - Scalar* C1 = C+ib+(j+1)*ldc; - - a0 = pload(A0); - a1 = pload(A1); - if(RK==4) - { - a2 = pload(A2); - a3 = pload(A3); - } - else - { - // workaround "may be used uninitialized in this function" warning - a2 = a3 = a0; - } - -#define KMADD(c, a, b, tmp) {tmp = b; tmp = pmul(a,tmp); c = padd(c,tmp);} -#define WORK(I) \ - c0 = pload(C0+i+(I)*PacketSize); \ - c1 = pload(C1+i+(I)*PacketSize); \ - KMADD(c0, a0, b00, t0) \ - KMADD(c1, a0, b01, t1) \ - a0 = pload(A0+i+(I+1)*PacketSize); \ - KMADD(c0, a1, b10, t0) \ - KMADD(c1, a1, b11, t1) \ - a1 = pload(A1+i+(I+1)*PacketSize); \ - if(RK==4){ KMADD(c0, a2, b20, t0) }\ - if(RK==4){ KMADD(c1, a2, b21, t1) }\ - if(RK==4){ a2 = pload(A2+i+(I+1)*PacketSize); }\ - if(RK==4){ KMADD(c0, a3, b30, t0) }\ - if(RK==4){ KMADD(c1, a3, b31, t1) }\ - if(RK==4){ a3 = pload(A3+i+(I+1)*PacketSize); }\ - pstore(C0+i+(I)*PacketSize, c0); \ - pstore(C1+i+(I)*PacketSize, c1) - - // process rows of A' - C' with aggressive vectorization and peeling - for(Index i=0; i0) - { - const Scalar* Bc0 = B+(n-1)*ldb; - - for(Index k=0; k(Bc0[0]); - b10 = pset1(Bc0[1]); - if(RK==4) b20 = pset1(Bc0[2]); - if(RK==4) b30 = pset1(Bc0[3]); - - Packet a0, a1, a2, a3, c0, t0/*, t1*/; - - const Scalar* A0 = A+ib+(k+0)*lda; - const Scalar* A1 = A+ib+(k+1)*lda; - const Scalar* A2 = A+ib+(k+2)*lda; - const Scalar* A3 = A+ib+(k+3)*lda; - - Scalar* C0 = C+ib+(n_end)*ldc; - - a0 = pload(A0); - a1 = pload(A1); - if(RK==4) - { - a2 = pload(A2); - a3 = pload(A3); - } - else - { - // workaround "may be used uninitialized in this function" warning - a2 = a3 = a0; - } - -#define WORK(I) \ - c0 = pload(C0+i+(I)*PacketSize); \ - KMADD(c0, a0, b00, t0) \ - a0 = pload(A0+i+(I+1)*PacketSize); \ - KMADD(c0, a1, b10, t0) \ - a1 = pload(A1+i+(I+1)*PacketSize); \ - if(RK==4){ KMADD(c0, a2, b20, t0) }\ - if(RK==4){ a2 = pload(A2+i+(I+1)*PacketSize); }\ - if(RK==4){ KMADD(c0, a3, b30, t0) }\ - if(RK==4){ a3 = pload(A3+i+(I+1)*PacketSize); }\ - pstore(C0+i+(I)*PacketSize, c0); - - // agressive vectorization and peeling - for(Index i=0; i0) - { - for(Index j=0; j1 ? Aligned : 0 - }; - typedef Map, Alignment > MapVector; - typedef Map, Alignment > ConstMapVector; - if(rd==1) MapVector(C+j*ldc+ib,actual_b) += B[0+d_end+j*ldb] * ConstMapVector(A+(d_end+0)*lda+ib, actual_b); - - else if(rd==2) MapVector(C+j*ldc+ib,actual_b) += B[0+d_end+j*ldb] * ConstMapVector(A+(d_end+0)*lda+ib, actual_b) - + B[1+d_end+j*ldb] * ConstMapVector(A+(d_end+1)*lda+ib, actual_b); - - else MapVector(C+j*ldc+ib,actual_b) += B[0+d_end+j*ldb] * ConstMapVector(A+(d_end+0)*lda+ib, actual_b) - + B[1+d_end+j*ldb] * ConstMapVector(A+(d_end+1)*lda+ib, actual_b) - + B[2+d_end+j*ldb] * ConstMapVector(A+(d_end+2)*lda+ib, actual_b); - } - } - - } // blocking on the rows of A and C -} -#undef KMADD - -} // namespace internal - -} // namespace Eigen - -#endif // EIGEN_SPARSELU_GEMM_KERNEL_H -- cgit v1.2.3