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atomic: Extend support for custom execution policies
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| * Copyright 2024 Patrick Stotko | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| #ifndef STDGPU_CUDA_MEMORY_DETAIL_H | ||
| #define STDGPU_CUDA_MEMORY_DETAIL_H | ||
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| #include <thrust/detail/execution_policy.h> | ||
| #include <thrust/system/cuda/detail/util.h> | ||
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| #include <stdgpu/cuda/impl/error.h> | ||
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| namespace stdgpu::cuda | ||
| { | ||
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| template <typename ExecutionPolicy, STDGPU_DETAIL_OVERLOAD_IF(is_execution_policy_v<remove_cvref_t<ExecutionPolicy>>)> | ||
| void | ||
| memcpy_impl(ExecutionPolicy&& policy, | ||
| void* destination, | ||
| const void* source, | ||
| index64_t bytes, | ||
| cudaMemcpyKind kind, | ||
| bool needs_sychronization) | ||
| { | ||
| cudaStream_t stream = thrust::cuda_cub::stream(thrust::detail::derived_cast(thrust::detail::strip_const(policy))); | ||
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| STDGPU_CUDA_SAFE_CALL(cudaMemcpyAsync(destination, source, static_cast<std::size_t>(bytes), kind, stream)); | ||
| if (needs_sychronization) | ||
| { | ||
| STDGPU_CUDA_SAFE_CALL(cudaStreamSynchronize(stream)); | ||
| } | ||
| } | ||
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| template <typename ExecutionPolicy, | ||
| STDGPU_DETAIL_OVERLOAD_DEFINITION_IF(is_execution_policy_v<remove_cvref_t<ExecutionPolicy>>)> | ||
| void | ||
| memcpy_device_to_device(ExecutionPolicy&& policy, void* destination, const void* source, index64_t bytes) | ||
| { | ||
| memcpy_impl(std::forward<ExecutionPolicy>(policy), destination, source, bytes, cudaMemcpyDeviceToDevice, false); | ||
| } | ||
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| template <typename ExecutionPolicy, | ||
| STDGPU_DETAIL_OVERLOAD_DEFINITION_IF(is_execution_policy_v<remove_cvref_t<ExecutionPolicy>>)> | ||
| void | ||
| memcpy_device_to_host(ExecutionPolicy&& policy, void* destination, const void* source, index64_t bytes) | ||
| { | ||
| memcpy_impl(std::forward<ExecutionPolicy>(policy), destination, source, bytes, cudaMemcpyDeviceToHost, true); | ||
| } | ||
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| template <typename ExecutionPolicy, | ||
| STDGPU_DETAIL_OVERLOAD_DEFINITION_IF(is_execution_policy_v<remove_cvref_t<ExecutionPolicy>>)> | ||
| void | ||
| memcpy_host_to_device(ExecutionPolicy&& policy, void* destination, const void* source, index64_t bytes) | ||
| { | ||
| memcpy_impl(std::forward<ExecutionPolicy>(policy), destination, source, bytes, cudaMemcpyHostToDevice, false); | ||
| } | ||
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| template <typename ExecutionPolicy, | ||
| STDGPU_DETAIL_OVERLOAD_DEFINITION_IF(is_execution_policy_v<remove_cvref_t<ExecutionPolicy>>)> | ||
| void | ||
| memcpy_host_to_host(ExecutionPolicy&& policy, void* destination, const void* source, index64_t bytes) | ||
| { | ||
| memcpy_impl(std::forward<ExecutionPolicy>(policy), destination, source, bytes, cudaMemcpyHostToHost, true); | ||
| } | ||
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| } // namespace stdgpu::cuda | ||
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| #endif // STDGPU_CUDA_MEMORY_DETAIL_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /* | ||
| * Copyright 2024 Patrick Stotko | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| #ifndef STDGPU_HIP_MEMORY_DETAIL_H | ||
| #define STDGPU_HIP_MEMORY_DETAIL_H | ||
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| #include <thrust/detail/execution_policy.h> | ||
| #include <thrust/system/hip/detail/util.h> | ||
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| #include <stdgpu/hip/impl/error.h> | ||
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| namespace stdgpu::hip | ||
| { | ||
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| template <typename ExecutionPolicy, STDGPU_DETAIL_OVERLOAD_IF(is_execution_policy_v<remove_cvref_t<ExecutionPolicy>>)> | ||
| void | ||
| memcpy_impl(ExecutionPolicy&& policy, | ||
| void* destination, | ||
| const void* source, | ||
| index64_t bytes, | ||
| hipMemcpyKind kind, | ||
| bool needs_sychronization) | ||
| { | ||
| cudaStream_t stream = | ||
| thrust::hip_rocprim::stream(thrust::detail::derived_cast(thrust::detail::strip_const(policy))); | ||
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| STDGPU_HIP_SAFE_CALL(hipMemcpyAsync(destination, source, static_cast<std::size_t>(bytes), kind, stream)); | ||
| if (needs_sychronization) | ||
| { | ||
| STDGPU_HIP_SAFE_CALL(hipStreamSynchronize(stream)); | ||
| } | ||
| } | ||
|
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| template <typename ExecutionPolicy, | ||
| STDGPU_DETAIL_OVERLOAD_DEFINITION_IF(is_execution_policy_v<remove_cvref_t<ExecutionPolicy>>)> | ||
| void | ||
| memcpy_device_to_device(ExecutionPolicy&& policy, void* destination, const void* source, index64_t bytes) | ||
| { | ||
| memcpy_impl(std::forward<ExecutionPolicy>(policy), destination, source, bytes, hipMemcpyDeviceToDevice, false); | ||
| } | ||
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| template <typename ExecutionPolicy, | ||
| STDGPU_DETAIL_OVERLOAD_DEFINITION_IF(is_execution_policy_v<remove_cvref_t<ExecutionPolicy>>)> | ||
| void | ||
| memcpy_device_to_host(ExecutionPolicy&& policy, void* destination, const void* source, index64_t bytes) | ||
| { | ||
| memcpy_impl(std::forward<ExecutionPolicy>(policy), destination, source, bytes, hipMemcpyDeviceToHost, true); | ||
| } | ||
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| template <typename ExecutionPolicy, | ||
| STDGPU_DETAIL_OVERLOAD_DEFINITION_IF(is_execution_policy_v<remove_cvref_t<ExecutionPolicy>>)> | ||
| void | ||
| memcpy_host_to_device(ExecutionPolicy&& policy, void* destination, const void* source, index64_t bytes) | ||
| { | ||
| memcpy_impl(std::forward<ExecutionPolicy>(policy), destination, source, bytes, hipMemcpyHostToDevice, false); | ||
| } | ||
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| template <typename ExecutionPolicy, | ||
| STDGPU_DETAIL_OVERLOAD_DEFINITION_IF(is_execution_policy_v<remove_cvref_t<ExecutionPolicy>>)> | ||
| void | ||
| memcpy_host_to_host(ExecutionPolicy&& policy, void* destination, const void* source, index64_t bytes) | ||
| { | ||
| memcpy_impl(std::forward<ExecutionPolicy>(policy), destination, source, bytes, hipMemcpyHostToHost, true); | ||
| } | ||
|
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| } // namespace stdgpu::hip | ||
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| #endif // STDGPU_HIP_MEMORY_DETAIL_H |
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