Changelog

Changelog

This file only contains the currently unreleased functionality. For the complete Changelog of currently released functionality, please visit our CHANGELOG.md instead.

Unreleased

Version support changes

• After #2003, Ginkgo supports ROCm from 4.5+ to 6.2.0+
• After #2023, Ginkgo supports oneAPI from 2024.1+

Interface changes

• No chain LinOp::apply anymore #2001
• Template parameters other than a value type aren't allowed for preconditioner::Ic and preconditioner::Ilu #1998
• The apply functions in distributed::RowGatherer take a GenericDenseCache as workspace argument #1996

Behavior changes

Deprecations

• Distributed matrix functions, get_local_matrix() and get_non_local_matrix() have been deprecated, and the new functions are get_diag_matrix() and get_off_diag_matrix(). We hope that this reduces confusion on their behaviour. #2017

Summary of previous deprecations

• The experimental::EnableDistributedLinOp has been removed, EnableLinOp can be used instead #1751.
• The Executor::run overload without a name as first parameter has been deprecated #1667
• The device_reset parameter of CUDA and HIP executors no longer has an effect, and its allocation_mode parameters have been deprecated in favor of the Allocator interface.
• The CMake parameter GINKGO_BUILD_DPCPP has been deprecated in favor of GINKGO_BUILD_SYCL.
• The gko::reorder::Rcm interface has been deprecated in favor of gko::experimental::reorder::Rcm based on Permutation.
• The Permutation class' permute_mask functionality.
• Multiple functions with typos (set_complex_subpsace(), range functions such as conj_operaton etc).
• gko::lend() is not necessary anymore.
• The classes RelativeResidualNorm and AbsoluteResidualNorm are deprecated in favor of ResidualNorm.
• The class AmgxPgm is deprecated in favor of Pgm.
• Default constructors for the CSR load_balance and automatical strategies
• The PolymorphicObject's move-semantic copy_from variant
• The templated SolverBase class.
• The class MachineTopology is deprecated in favor of machine_topology.
• Logger constructors and create functions with the executor parameter.
• The virtual, protected, Dense functions compute_norm1_impl, add_scaled_impl, etc.
• Logger events for solvers and criterion without the additional implicit_tau_sq parameter.
• The global gko::solver::default_krylov_dim, use instead gko::solver::gmres_default_krylov_dim.
• array::get_num_elems() has been renamed to get_size()
• matrix_data::ensure_row_major_order() has been renamed to sort_row_major()
• device_matrix_data::get_num_elems() has been renamed to get_num_stored_elements()
• The CMake parameter GINKGO_COMPILER_FLAGS has been superseded by CMAKE_CXX_FLAGS, and GINKGO_CUDA_COMPILER_FLAGS has been superseded by CMAKE_CUDA_FLAGS
• The std::initializer_list overloads of matrix create methods and constructors are deprecated in favor of explicit array parameters

Added features

• Minimum iteration stopping criterion that avoids checking the provided inner stopping criteria for the first iterations #1951
• Add lightweight view representation of Dense #1978, Ell #1991, Coo #1992, Sellp #1993, Hybrid #2004 for kernels
• Add a RowScatterer class, which enables scattering and accumulation at receiver. It is the inverse of the RowGatherer class #1995
• Add support for cuDSS for use as a direct solver. #1999
• Add support for triangular solvers with the DpcppExecutor #2023

Improvements

• Simplified interface for specifying stopping criteria that doesn't need a ValueType #1947
• array::resize_and_reset is now exception-safe when the allocation fails #1963

Fixes

• Fix missing thrust/tuple.h header in CCCL 3.3.3 #2028
• Fix MSVC nested initializer_list in member initialization list and type name difference #2029