From 13a724ac78666a550436acaad18a9218641fc7ab Mon Sep 17 00:00:00 2001
From: Pratik Nayak <pratikvn@protonmail.com>
Date: Fri, 28 Jun 2024 11:01:49 +0200
Subject: [PATCH] [cuda] rem deprecated shmem config guard

---
 cuda/base/kernel_config.hpp           | 60 ---------------------------
 cuda/solver/batch_bicgstab_kernels.cu |  4 --
 cuda/solver/batch_cg_kernels.cu       |  4 --
 3 files changed, 68 deletions(-)
 delete mode 100644 cuda/base/kernel_config.hpp

diff --git a/cuda/base/kernel_config.hpp b/cuda/base/kernel_config.hpp
deleted file mode 100644
index f077290b4c5..00000000000
--- a/cuda/base/kernel_config.hpp
+++ /dev/null
@@ -1,60 +0,0 @@
-// SPDX-FileCopyrightText: 2017 - 2024 The Ginkgo authors
-//
-// SPDX-License-Identifier: BSD-3-Clause
-
-#ifndef GKO_CUDA_BASE_KERNEL_CONFIG_HPP_
-#define GKO_CUDA_BASE_KERNEL_CONFIG_HPP_
-
-
-#include <cuda_runtime.h>
-
-
-#include <ginkgo/core/base/exception_helpers.hpp>
-
-
-namespace gko {
-namespace kernels {
-namespace cuda {
-namespace detail {
-
-
-template <typename ValueType>
-class shared_memory_config_guard {
-public:
-    using value_type = ValueType;
-    shared_memory_config_guard() : original_config_{}
-    {
-        GKO_ASSERT_NO_CUDA_ERRORS(
-            cudaDeviceGetSharedMemConfig(&original_config_));
-
-        if (sizeof(value_type) == 4) {
-            GKO_ASSERT_NO_CUDA_ERRORS(
-                cudaDeviceSetSharedMemConfig(cudaSharedMemBankSizeFourByte));
-        } else if (sizeof(value_type) % 8 == 0) {
-            GKO_ASSERT_NO_CUDA_ERRORS(
-                cudaDeviceSetSharedMemConfig(cudaSharedMemBankSizeEightByte));
-        } else {
-            GKO_ASSERT_NO_CUDA_ERRORS(
-                cudaDeviceSetSharedMemConfig(cudaSharedMemBankSizeDefault));
-        }
-    }
-
-
-    ~shared_memory_config_guard()
-    {
-        // No need to exit or throw if we cant set the value back.
-        cudaDeviceSetSharedMemConfig(original_config_);
-    }
-
-private:
-    cudaSharedMemConfig original_config_;
-};
-
-
-}  // namespace detail
-}  // namespace cuda
-}  // namespace kernels
-}  // namespace gko
-
-
-#endif  // GKO_CUDA_BASE_KERNEL_CONFIG_HPP_
diff --git a/cuda/solver/batch_bicgstab_kernels.cu b/cuda/solver/batch_bicgstab_kernels.cu
index 58e1a6b7b0d..7024c888c2c 100644
--- a/cuda/solver/batch_bicgstab_kernels.cu
+++ b/cuda/solver/batch_bicgstab_kernels.cu
@@ -21,7 +21,6 @@
 #include "core/matrix/batch_struct.hpp"
 #include "core/solver/batch_dispatch.hpp"
 #include "cuda/base/batch_struct.hpp"
-#include "cuda/base/kernel_config.hpp"
 #include "cuda/base/thrust.cuh"
 #include "cuda/components/reduction.cuh"
 #include "cuda/components/thread_ids.cuh"
@@ -146,9 +145,6 @@ public:
         constexpr int align_multiple = 8;
         const int padded_num_rows =
             ceildiv(mat.num_rows, align_multiple) * align_multiple;
-        auto shem_guard =
-            gko::kernels::cuda::detail::shared_memory_config_guard<
-                value_type>();
         const int shmem_per_blk =
             get_max_dynamic_shared_memory<StopType, PrecType, LogType,
                                           BatchMatrixType, value_type>(exec_);
diff --git a/cuda/solver/batch_cg_kernels.cu b/cuda/solver/batch_cg_kernels.cu
index 398e831eb09..1a685d49423 100644
--- a/cuda/solver/batch_cg_kernels.cu
+++ b/cuda/solver/batch_cg_kernels.cu
@@ -20,7 +20,6 @@
 #include "core/matrix/batch_struct.hpp"
 #include "core/solver/batch_dispatch.hpp"
 #include "cuda/base/batch_struct.hpp"
-#include "cuda/base/kernel_config.hpp"
 #include "cuda/base/thrust.cuh"
 #include "cuda/components/reduction.cuh"
 #include "cuda/components/thread_ids.cuh"
@@ -144,9 +143,6 @@ public:
         constexpr int align_multiple = 8;
         const int padded_num_rows =
             ceildiv(mat.num_rows, align_multiple) * align_multiple;
-        auto shem_guard =
-            gko::kernels::cuda::detail::shared_memory_config_guard<
-                value_type>();
         const int shmem_per_blk =
             get_max_dynamic_shared_memory<StopType, PrecType, LogType,
                                           BatchMatrixType, value_type>(exec_);