| /* |
| * Copyright (c) 2016-2018 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include "arm_compute/runtime/CL/CLTensorAllocator.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/runtime/CL/CLMemoryGroup.h" |
| #include "arm_compute/runtime/CL/CLScheduler.h" |
| |
| using namespace arm_compute; |
| |
| namespace |
| { |
| std::shared_ptr<arm_compute::ICLMemoryRegion> allocate_region(cl::Context context, size_t size, cl_uint alignment) |
| { |
| // Try fine-grain SVM |
| std::shared_ptr<ICLMemoryRegion> region = std::make_shared<CLFineSVMMemoryRegion>(context, CL_MEM_READ_WRITE | CL_MEM_SVM_FINE_GRAIN_BUFFER, size, alignment); |
| |
| // Try coarse-grain SVM in case of failure |
| if(region != nullptr && region->ptr() == nullptr) |
| { |
| region = std::make_shared<CLCoarseSVMMemoryRegion>(context, CL_MEM_READ_WRITE, size, alignment); |
| } |
| // Try legacy buffer memory in case of failure |
| if(region != nullptr && region->ptr() == nullptr) |
| { |
| region = std::make_shared<CLBufferMemoryRegion>(context, CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size); |
| } |
| return region; |
| } |
| } // namespace |
| |
| CLTensorAllocator::CLTensorAllocator(CLTensor *owner) |
| : _associated_memory_group(nullptr), _memory(), _owner(owner) |
| { |
| } |
| |
| uint8_t *CLTensorAllocator::data() |
| { |
| ARM_COMPUTE_ERROR_ON(_memory.region() == nullptr); |
| return reinterpret_cast<uint8_t *>(_memory.region()->buffer()); |
| } |
| |
| const cl::Buffer &CLTensorAllocator::cl_data() const |
| { |
| ARM_COMPUTE_ERROR_ON(_memory.region() == nullptr); |
| return _memory.region()->cl_data(); |
| } |
| |
| void CLTensorAllocator::allocate() |
| { |
| ARM_COMPUTE_ERROR_ON(_memory.region() == nullptr); |
| |
| if(_associated_memory_group == nullptr) |
| { |
| ARM_COMPUTE_ERROR_ON(_memory.region()->cl_data().get() != nullptr); |
| _memory = CLMemory(allocate_region(CLScheduler::get().context(), info().total_size(), 0)); |
| } |
| else |
| { |
| _associated_memory_group->finalize_memory(_owner, _memory.region()->handle(), info().total_size()); |
| _memory.region()->set_size(info().total_size()); |
| } |
| info().set_is_resizable(false); |
| } |
| |
| void CLTensorAllocator::free() |
| { |
| if(_associated_memory_group == nullptr) |
| { |
| _memory = CLMemory(); |
| info().set_is_resizable(true); |
| } |
| } |
| |
| arm_compute::Status CLTensorAllocator::import_memory(CLMemory memory) |
| { |
| ARM_COMPUTE_ERROR_ON(_memory.region() == nullptr); |
| ARM_COMPUTE_RETURN_ERROR_ON(memory.region()->cl_data().get() == nullptr); |
| ARM_COMPUTE_RETURN_ERROR_ON(_associated_memory_group != nullptr); |
| _memory = memory; |
| info().set_is_resizable(false); |
| |
| return Status{}; |
| } |
| |
| void CLTensorAllocator::set_associated_memory_group(CLMemoryGroup *associated_memory_group) |
| { |
| ARM_COMPUTE_ERROR_ON(_memory.region() == nullptr); |
| ARM_COMPUTE_ERROR_ON(associated_memory_group == nullptr); |
| ARM_COMPUTE_ERROR_ON(_associated_memory_group != nullptr); |
| ARM_COMPUTE_ERROR_ON(_memory.region()->cl_data().get() != nullptr); |
| _memory = CLMemory(std::make_shared<CLBufferMemoryRegion>(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, 0)); |
| _associated_memory_group = associated_memory_group; |
| } |
| |
| uint8_t *CLTensorAllocator::lock() |
| { |
| return map(CLScheduler::get().queue(), true); |
| } |
| |
| void CLTensorAllocator::unlock() |
| { |
| ARM_COMPUTE_ERROR_ON(_memory.region() == nullptr); |
| unmap(CLScheduler::get().queue(), reinterpret_cast<uint8_t *>(_memory.region()->buffer())); |
| } |
| |
| uint8_t *CLTensorAllocator::map(cl::CommandQueue &q, bool blocking) |
| { |
| ARM_COMPUTE_ERROR_ON(_memory.region() == nullptr); |
| ARM_COMPUTE_ERROR_ON(_memory.region()->buffer() != nullptr); |
| _memory.region()->map(q, blocking); |
| return reinterpret_cast<uint8_t *>(_memory.region()->buffer()); |
| } |
| |
| void CLTensorAllocator::unmap(cl::CommandQueue &q, uint8_t *mapping) |
| { |
| ARM_COMPUTE_UNUSED(mapping); |
| ARM_COMPUTE_ERROR_ON(_memory.region() == nullptr); |
| ARM_COMPUTE_ERROR_ON(_memory.region()->buffer() == nullptr); |
| _memory.region()->unmap(q); |
| } |