diff options
Diffstat (limited to 'src/dynamic_fusion/sketch/gpu/GpuKernelComponentGroup.cpp')
-rw-r--r-- | src/dynamic_fusion/sketch/gpu/GpuKernelComponentGroup.cpp | 128 |
1 files changed, 124 insertions, 4 deletions
diff --git a/src/dynamic_fusion/sketch/gpu/GpuKernelComponentGroup.cpp b/src/dynamic_fusion/sketch/gpu/GpuKernelComponentGroup.cpp index 0d2574957f..81c3f0c800 100644 --- a/src/dynamic_fusion/sketch/gpu/GpuKernelComponentGroup.cpp +++ b/src/dynamic_fusion/sketch/gpu/GpuKernelComponentGroup.cpp @@ -133,8 +133,9 @@ void GpuKernelComponentGroup::finalize() _finalized = true; - std::set<const ITensorInfo *> input_tensors; std::set<const ITensorInfo *> output_tensors; + std::map<const ITensorInfo *, std::vector<const ITensorInfo *>> possible_tile_map; + std::map<const ITensorInfo *, int32_t> tile_usages; for(auto component : _components) { @@ -156,26 +157,139 @@ void GpuKernelComponentGroup::finalize() } else if(_interm_tensors.find(tensor) == _interm_tensors.end()) { - input_tensors.insert(tensor); + _input_tensors.insert(tensor); + + tile_usages[tensor] = 0; + possible_tile_map.emplace(tensor, std::vector<const ITensorInfo *>()); } } for(auto tensor : dst_tensors) { - ARM_COMPUTE_ERROR_ON(input_tensors.find(tensor) != input_tensors.end()); + ARM_COMPUTE_ERROR_ON(_input_tensors.find(tensor) != _input_tensors.end()); ARM_COMPUTE_ERROR_ON(output_tensors.find(tensor) != output_tensors.end()); ARM_COMPUTE_ERROR_ON(_interm_tensors.find(tensor) != _interm_tensors.end()); output_tensors.insert(tensor); + + tile_usages[tensor] = 0; + possible_tile_map.emplace(tensor, std::vector<const ITensorInfo *>()); + } + + // Check if the output can overwrite the input tile. + const auto component_type = component->type(); + if(component_type == GpuComponentType::Simple || component_type == GpuComponentType::Output) + { + ARM_COMPUTE_ERROR_ON(dst_tensors.size() != 1); + + const auto dst_tensor = dst_tensors[0]; + const auto &dst_shape = dst_tensor->tensor_shape(); + const auto &dst_type = dst_tensor->data_type(); + + tile_usages[dst_tensor] = 0; + + for(auto src_tensor : src_tensors) + { + const auto &src_shape = src_tensor->tensor_shape(); + const auto &src_type = src_tensor->data_type(); + + if(src_shape == dst_shape && src_type == dst_type) + { + const auto tile_usages_it = tile_usages.find(src_tensor); + ARM_COMPUTE_ERROR_ON(tile_usages_it == tile_usages.end()); + + if(component_type == GpuComponentType::Simple || tile_usages_it->second > 0) + { + // Increase the number of tile usages unless this component is an output + // and the tile has not been shared with any component. + // (Reason: output component doesn't change the content of the tile) + ++tile_usages_it->second; + } + + possible_tile_map[dst_tensor].push_back(src_tensor); + } + } + } + else + { + // Outputs of complex and unfusable components need dedicated tile. + for(auto tensor : dst_tensors) + { + tile_usages[tensor] = 0; + } + } + } + + // Find the smallest list of tiles that the intermediate tensors need to write to. + for(auto tensor : _input_tensors) + { + _tile_map[tensor] = tensor; + } + + for(auto component : _components) + { + const auto dst_tensors = component->tensors().get_const_dst_tensors(); + + for(auto tensor : dst_tensors) + { + const auto target_tiles = possible_tile_map.at(tensor); + _tile_map[tensor] = tensor; + + for(auto target : target_tiles) + { + const auto num_usage = tile_usages[target]; + + if(num_usage <= 1) + { + // The target tile is consumed by only this operator, so we can reuse it + // for the destination tensor data. + _tile_map[tensor] = _tile_map.at(target); + break; + } + } + } + } + + for(auto tensor : output_tensors) + { + _tile_map[tensor] = tensor; + } + + // All intermediate tensors that cannot be shared with any previous tensor + // will need to be declared as tile variable. + for(auto tensor_tile : _tile_map) + { + if(tensor_tile.first == tensor_tile.second && + _interm_tensors.find(tensor_tile.first) != _interm_tensors.end()) + { + _tiles.push_back(tensor_tile.first); } } std::set_union( - input_tensors.begin(), input_tensors.end(), + _input_tensors.begin(), _input_tensors.end(), output_tensors.begin(), output_tensors.end(), std::back_inserter(_argument_tensors)); _any_output_tensor = *output_tensors.begin(); } +std::vector<const ITensorInfo *> GpuKernelComponentGroup::get_tiles() const +{ + ARM_COMPUTE_ERROR_ON_MSG(!_finalized, "The component group must have been finalized."); + return _tiles; +} + +const ITensorInfo *GpuKernelComponentGroup::get_tile_for_tensor(const ITensorInfo *tensor) const +{ + ARM_COMPUTE_ERROR_ON_MSG(!_finalized, "The component group must have been finalized."); + + if(_tile_map.find(tensor) != _tile_map.end()) + { + return _tile_map.at(tensor); + } + + return tensor; +} + const ITensorInfo *GpuKernelComponentGroup::get_any_dst_tensor() const { ARM_COMPUTE_ERROR_ON_MSG(!_finalized, "The component group must have been finalized."); @@ -203,6 +317,12 @@ bool GpuKernelComponentGroup::is_intermediate_tensor(const ITensorInfo *tensor) return _interm_tensors.find(tensor) != _interm_tensors.end(); } +bool GpuKernelComponentGroup::is_input_tensor(const ITensorInfo *tensor) const +{ + ARM_COMPUTE_ERROR_ON_MSG(!_finalized, "The component group must have been finalized."); + return _input_tensors.find(tensor) != _input_tensors.end(); +} + size_t GpuKernelComponentGroup::size() const { return _components.size(); |