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Split batched solver compilation #1629

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Split batched solver compilation #1629

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feaeabd
[batch] provide default index type for matrix device types
MarcelKoch Jun 20, 2024
f0497f2
[batch] handle constness of index type same as value type
MarcelKoch Jun 20, 2024
bc63683
[batch] add macro to instantiate batched solver
MarcelKoch Jun 20, 2024
b30e6f6
[batch] split bicgstab compilation (hip)
MarcelKoch Sep 17, 2024
b673a45
[batch] split bicgstab compilation (cuda)
MarcelKoch Sep 17, 2024
1255d08
[batch] split cg compilation (hip)
MarcelKoch Sep 17, 2024
045ad1c
[batch] split cg compilation (cuda)
MarcelKoch Sep 17, 2024
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2 changes: 2 additions & 0 deletions common/cuda_hip/solver/batch_bicgstab_kernels.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,8 @@
#ifndef GKO_COMMON_CUDA_HIP_SOLVER_BATCH_BICGSTAB_KERNELS_HPP_
#define GKO_COMMON_CUDA_HIP_SOLVER_BATCH_BICGSTAB_KERNELS_HPP_

#include "core/solver/batch_bicgstab_kernels.hpp"

#include <ginkgo/core/base/exception_helpers.hpp>
#include <ginkgo/core/base/math.hpp>
#include <ginkgo/core/base/types.hpp>
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2 changes: 2 additions & 0 deletions common/cuda_hip/solver/batch_cg_kernels.hpp
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Expand Up @@ -6,6 +6,8 @@
#define GKO_COMMON_CUDA_HIP_SOLVER_BATCH_CG_KERNELS_HPP_


#include "core/solver/batch_cg_kernels.hpp"

#include <ginkgo/core/base/exception_helpers.hpp>
#include <ginkgo/core/base/math.hpp>
#include <ginkgo/core/base/types.hpp>
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20 changes: 10 additions & 10 deletions core/matrix/batch_struct.hpp
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Expand Up @@ -22,14 +22,14 @@ namespace csr {
/**
* Encapsulates one matrix from a batch of csr matrices.
*/
template <typename ValueType, typename IndexType>
template <typename ValueType, typename IndexType = const int32>
struct batch_item {
using value_type = ValueType;
using index_type = IndexType;

ValueType* values;
const index_type* col_idxs;
const index_type* row_ptrs;
index_type* col_idxs;
index_type* row_ptrs;
index_type num_rows;
index_type num_cols;
index_type num_nnz_per_item;
Expand All @@ -44,15 +44,15 @@ struct batch_item {
/**
* A 'simple' structure to store a global uniform batch of csr matrices.
*/
template <typename ValueType, typename IndexType>
template <typename ValueType, typename IndexType = const int32>
struct uniform_batch {
using value_type = ValueType;
using index_type = IndexType;
using entry_type = batch_item<value_type, index_type>;

ValueType* values;
const index_type* col_idxs;
const index_type* row_ptrs;
index_type* col_idxs;
index_type* row_ptrs;
size_type num_batch_items;
index_type num_rows;
index_type num_cols;
Expand Down Expand Up @@ -119,13 +119,13 @@ namespace ell {
/**
* Encapsulates one matrix from a batch of ell matrices.
*/
template <typename ValueType, typename IndexType>
template <typename ValueType, typename IndexType = const int32>
struct batch_item {
using value_type = ValueType;
using index_type = IndexType;

ValueType* values;
const index_type* col_idxs;
index_type* col_idxs;
index_type stride;
index_type num_rows;
index_type num_cols;
Expand All @@ -141,14 +141,14 @@ struct batch_item {
/**
* A 'simple' structure to store a global uniform batch of ell matrices.
*/
template <typename ValueType, typename IndexType>
template <typename ValueType, typename IndexType = const int32>
struct uniform_batch {
using value_type = ValueType;
using index_type = IndexType;
using entry_type = batch_item<value_type, index_type>;

ValueType* values;
const index_type* col_idxs;
index_type* col_idxs;
size_type num_batch_items;
index_type stride;
index_type num_rows;
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35 changes: 35 additions & 0 deletions core/solver/batch_dispatch.hpp
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Expand Up @@ -164,6 +164,41 @@ enum class log_type { simple_convergence_completion };
} // namespace log


#define GKO_BATCH_INSTANTIATE_STOP(macro, ...) \
macro(__VA_ARGS__, \
::gko::batch::solver::device::batch_stop::SimpleAbsResidual); \
template macro( \
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the template here (and in the other macros below) could be removed, if the value/index type instantiation macros would accept variable number or arguments.

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That doesn't work until C++20. A macro with (arg, ...) requires two arguments before c++20.

__VA_ARGS__, \
::gko::batch::solver::device::batch_stop::SimpleRelResidual)

#define GKO_BATCH_INSTANTIATE_PRECONDITIONER(macro, ...) \
GKO_BATCH_INSTANTIATE_STOP( \
macro, __VA_ARGS__, \
::gko::batch::solver::device::batch_preconditioner::Identity); \
template GKO_BATCH_INSTANTIATE_STOP( \
macro, __VA_ARGS__, \
::gko::batch::solver::device::batch_preconditioner::ScalarJacobi); \
template GKO_BATCH_INSTANTIATE_STOP( \
macro, __VA_ARGS__, \
::gko::batch::solver::device::batch_preconditioner::BlockJacobi)

#define GKO_BATCH_INSTANTIATE_LOGGER(macro, ...) \
GKO_BATCH_INSTANTIATE_PRECONDITIONER( \
macro, __VA_ARGS__, \
::gko::batch::solver::device::batch_log::SimpleFinalLogger)

#define GKO_BATCH_INSTANTIATE_MATRIX(macro, ...) \
GKO_BATCH_INSTANTIATE_LOGGER(macro, __VA_ARGS__, \
batch::matrix::ell::uniform_batch); \
template GKO_BATCH_INSTANTIATE_LOGGER( \
macro, __VA_ARGS__, batch::matrix::dense::uniform_batch); \
template GKO_BATCH_INSTANTIATE_LOGGER(macro, __VA_ARGS__, \
batch::matrix::csr::uniform_batch)

#define GKO_BATCH_INSTANTIATE(macro, ...) \
GKO_BATCH_INSTANTIATE_MATRIX(macro, __VA_ARGS__)


/**
* Handles dispatching to the correct instantiation of a batched solver
* depending on runtime parameters.
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4 changes: 4 additions & 0 deletions cuda/CMakeLists.txt
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Expand Up @@ -3,6 +3,8 @@ add_library(ginkgo_cuda $<TARGET_OBJECTS:ginkgo_cuda_device> "")
include(${PROJECT_SOURCE_DIR}/cmake/template_instantiation.cmake)
add_instantiation_files(${PROJECT_SOURCE_DIR}/common/cuda_hip matrix/csr_kernels.instantiate.cpp CSR_INSTANTIATE)
add_instantiation_files(${PROJECT_SOURCE_DIR}/common/cuda_hip matrix/fbcsr_kernels.instantiate.cpp FBCSR_INSTANTIATE)
add_instantiation_files(. solver/batch_bicgstab_launch.instantiate.cu BATCH_BICGSTAB_INSTANTIATE)
add_instantiation_files(. solver/batch_cg_launch.instantiate.cu BATCH_CG_INSTANTIATE)
# we don't split up the dense kernels into distinct compilations
list(APPEND GKO_UNIFIED_COMMON_SOURCES ${PROJECT_SOURCE_DIR}/common/unified/matrix/dense_kernels.instantiate.cpp)
target_sources(ginkgo_cuda
Expand All @@ -21,7 +23,9 @@ target_sources(ginkgo_cuda
matrix/fft_kernels.cu
preconditioner/batch_jacobi_kernels.cu
solver/batch_bicgstab_kernels.cu
${BATCH_BICGSTAB_INSTANTIATE}
solver/batch_cg_kernels.cu
${BATCH_CG_INSTANTIATE}
solver/lower_trs_kernels.cu
solver/upper_trs_kernels.cu
${GKO_UNIFIED_COMMON_SOURCES}
Expand Down
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