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Diffstat (limited to 'src/gpu/cl/operators/ClGemmConv2d.cpp')
| -rw-r--r-- | src/gpu/cl/operators/ClGemmConv2d.cpp | 668 |
1 files changed, 668 insertions, 0 deletions
diff --git a/src/gpu/cl/operators/ClGemmConv2d.cpp b/src/gpu/cl/operators/ClGemmConv2d.cpp new file mode 100644 index 0000000000..55d815a1ef --- /dev/null +++ b/src/gpu/cl/operators/ClGemmConv2d.cpp @@ -0,0 +1,668 @@ +/* + * Copyright (c) 2017-2021, 2023 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 "src/gpu/cl/operators/ClGemmConv2d.h" + +#include "arm_compute/core/CL/ICLTensor.h" +#include "arm_compute/core/PixelValue.h" +#include "arm_compute/core/Size2D.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Utils.h" +#include "arm_compute/core/utils/misc/ShapeCalculator.h" +#include "arm_compute/core/utils/quantization/AsymmHelpers.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/runtime/CL/CLScheduler.h" + +#include "src/common/utils/Log.h" +#include "src/core/helpers/AutoConfiguration.h" +#include "src/core/helpers/MemoryHelpers.h" +#include "src/gpu/cl/kernels/ClActivationKernel.h" +#include "src/gpu/cl/kernels/ClCol2ImKernel.h" +#include "src/gpu/cl/kernels/ClIm2ColKernel.h" +#include "src/gpu/cl/kernels/ClWeightsReshapeKernel.h" +#include "src/gpu/cl/operators/ClGemm.h" +#include "src/gpu/cl/operators/ClGemmLowpMatrixMultiplyCore.h" +#include "src/gpu/cl/utils/ClAuxTensorHandler.h" +#include "support/Cast.h" + +namespace arm_compute +{ +using namespace experimental; +using namespace misc::shape_calculator; +using namespace utils::cast; +namespace opencl +{ +ClGemmConv2d::ClGemmConv2d() + : _weights_reshape_kernel(nullptr), + _im2col_kernel(nullptr), + _mm_gemm(nullptr), + _mm_gemmlowp(nullptr), + _col2im_kernel(nullptr), + _activation_kernel(nullptr), + _im2col_output(), + _weights_reshaped(), + _gemm_output(), + _skip_im2col(false), + _skip_col2im(false), + _is_quantized(false), + _fuse_activation(true), + _append_bias(false), + _is_prepared(false), + _aux_mem(AuxTensorIdx::Count) +{ +} +ClGemmConv2d::~ClGemmConv2d() = default; + +void ClGemmConv2d::configure_mm(const ClCompileContext &compile_context, + const ITensorInfo *src, + ITensorInfo *weights, + ITensorInfo *biases, + ITensorInfo *dst, + const GEMMLowpOutputStageInfo &gemmlowp_output_stage, + int gemm_3d_depth, + const ActivationLayerInfo &act_info) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(src, weights); + ARM_COMPUTE_ERROR_THROW_ON( + validate_mm(src, weights, biases, dst, gemmlowp_output_stage, gemm_3d_depth, _skip_im2col, act_info)); + + const GEMMInfo &gemm_info = GEMMInfo(false, // is_a_reshaped + false, // is_b_reshaped + true, // reshape_b_only_on_first_run + gemm_3d_depth, // depth_output_gemm3d + _skip_im2col, // reinterpret_input_as_3d + false, // retain_internal_weights + gemmlowp_output_stage, // gemmlowp_output_stage + false, // fast_math + false, // fp_mixed_precision + true, // broadcast_bias + act_info // activation_info + ); + + TensorInfo tmp_src{*src}; + if (_is_quantized) + { + // Since we need negative offsets for computing convolution, we need to change QuantizationInfo() + // Extract and negate input and weights offset + const QuantizationInfo input_quantization_info = src->quantization_info(); + const QuantizationInfo weights_quantization_info = weights->quantization_info(); + + tmp_src.set_quantization_info( + QuantizationInfo(input_quantization_info.uniform().scale, -input_quantization_info.uniform().offset)); + weights->set_quantization_info( + QuantizationInfo(weights_quantization_info.uniform().scale, -weights_quantization_info.uniform().offset)); + + _mm_gemmlowp = std::make_unique<ClGemmLowpMatrixMultiplyCore>(); + _mm_gemmlowp->configure(compile_context, &tmp_src, weights, biases, dst, gemm_info); + + // Revert back QuantizatioInfo as weights could be used in other convolution layers + weights->set_quantization_info(weights_quantization_info); + + auto mm_mem_req = _mm_gemmlowp->workspace(); + for (unsigned int cont = 0; cont < mm_mem_req.size(); ++cont) + { + _aux_mem[cont] = mm_mem_req[cont]; + } + } + else + { + // Configure matrix multiply function + _mm_gemm = std::make_unique<ClGemm>(); + _mm_gemm->configure(compile_context, &tmp_src, weights, biases, dst, 1.0f, 1.0f, gemm_info); + auto mm_mem_req = _mm_gemm->workspace(); + for (unsigned int cont = 0; cont < mm_mem_req.size(); ++cont) + { + _aux_mem[cont] = mm_mem_req[cont]; + } + } +} + +Status ClGemmConv2d::validate_mm(const ITensorInfo *src, + const ITensorInfo *weights, + const ITensorInfo *biases, + const ITensorInfo *dst, + const GEMMLowpOutputStageInfo &gemmlowp_output_stage, + int gemm_3d_depth, + bool skip_im2col, + const ActivationLayerInfo &act_info) +{ + const bool is_quantized = is_data_type_quantized_asymmetric(src->data_type()); + + const GEMMInfo &gemm_info = GEMMInfo(false, // is_a_reshaped + false, // is_b_reshaped + true, // reshape_b_only_on_first_run + gemm_3d_depth, // depth_output_gemm3d + skip_im2col, // reinterpret_input_as_3d + false, // retain_internal_weights + gemmlowp_output_stage, // gemmlowp_output_stage + false, // fast_math + false, // fp_mixed_precision + true, // broadcast_bias + act_info // activation_info + ); + + if (is_quantized) + { + // Since we need negative offsets for computing convolution, we need to change QuantizationInfo() + // Extract and negate input and weights offset + const QuantizationInfo input_quantization_info = src->quantization_info(); + const QuantizationInfo weights_quantization_info = weights->quantization_info(); + + std::unique_ptr<ITensorInfo> src_qa = src->clone(); + std::unique_ptr<ITensorInfo> weights_qa = weights->clone(); + src_qa->set_quantization_info( + QuantizationInfo(input_quantization_info.uniform().scale, -input_quantization_info.uniform().offset)); + weights_qa->set_quantization_info( + QuantizationInfo(weights_quantization_info.uniform().scale, -weights_quantization_info.uniform().offset)); + + // Perform validation step on GEMMLowp + return ClGemmLowpMatrixMultiplyCore::validate(src_qa.get(), weights_qa.get(), biases, dst, gemm_info); + } + else + { + // Perform validation step on Matrix multiply function + return ClGemm::validate(src, weights, biases, dst, 1.0f, 1.0f, gemm_info); + } +} + +void ClGemmConv2d::configure(const CLCompileContext &compile_context, + ITensorInfo *src, + ITensorInfo *weights, + ITensorInfo *biases, + ITensorInfo *dst, + const Conv2dInfo &conv2d_info, + const WeightsInfo &weights_info) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(src, weights, dst); + + ARM_COMPUTE_ERROR_THROW_ON(ClGemmConv2d::validate(src, weights, biases, dst, conv2d_info, weights_info)); + ARM_COMPUTE_LOG_PARAMS(src, weights, biases, dst, conv2d_info, weights_info); + + const DataType data_type = src->data_type(); + const DataLayout data_layout = src->data_layout(); + const int idx_width = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH); + const int idx_height = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT); + const int idx_kernels = get_data_layout_dimension_index(data_layout, DataLayoutDimension::BATCHES); + + const unsigned int kernel_width = weights->dimension(idx_width); + const unsigned int kernel_height = weights->dimension(idx_height); + const unsigned int num_kernels = weights->dimension(idx_kernels); + + const UniformQuantizationInfo iq_info = src->quantization_info().uniform(); + const UniformQuantizationInfo oq_info = dst->quantization_info().uniform(); + + _is_prepared = weights_info.retain_internal_weights(); + _is_quantized = is_data_type_quantized_asymmetric(src->data_type()); + _skip_im2col = (data_layout == DataLayout::NHWC && kernel_width == 1 && kernel_height == 1 && + conv2d_info.conv_info.stride().first == 1 && conv2d_info.conv_info.stride().second == 1); + _skip_col2im = data_layout == DataLayout::NHWC; + + // Only for quantize there are few cases where we cannot fuse the activation function in GEMM + _fuse_activation = true; + + const ITensorInfo *gemm_input_to_use = src; + ITensorInfo *gemm_output_to_use = dst; + + // Get parameters from conv_info + unsigned int stride_x = 0; + unsigned int stride_y = 0; + std::tie(stride_x, stride_y) = conv2d_info.conv_info.stride(); + + // Get convolved dimensions + unsigned int conv_w = 0; + unsigned int conv_h = 0; + std::tie(conv_w, conv_h) = scaled_dimensions(src->dimension(idx_width), src->dimension(idx_height), kernel_width, + kernel_height, conv2d_info.conv_info, conv2d_info.dilation); + + unsigned int mat_weights_cols = num_kernels / conv2d_info.num_groups; + + ITensorInfo *biases_to_use = biases; + _append_bias = false; + + _weights_reshape_kernel = std::make_unique<kernels::ClWeightsReshapeKernel>(); + if (conv2d_info.num_groups != 1 && biases != nullptr) + { + // num_groups != 1 can only be for NCHW + // Since it is missing an utility function to reshape the biases, we append the biases into the weights tensor + biases_to_use = nullptr; + _append_bias = true; + _weights_reshape_kernel->configure(compile_context, weights, biases, &_weights_reshaped, + conv2d_info.num_groups); + } + else + { + _weights_reshape_kernel->configure(compile_context, weights, nullptr, &_weights_reshaped, + conv2d_info.num_groups); + } + + // Create tensor to store im2col reshaped inputs + if (!_skip_im2col) + { + // Configure and tune im2col. im2col output shape is auto-initialized + _im2col_kernel = std::make_unique<opencl::kernels::ClIm2ColKernel>(); + + // Set the GPU target for im2col + _im2col_kernel->set_target(CLScheduler::get().target()); + _im2col_kernel->configure(compile_context, src, &_im2col_output, Size2D(kernel_width, kernel_height), + conv2d_info.conv_info, _append_bias, conv2d_info.dilation, conv2d_info.num_groups); + + // Set quantization info + _im2col_output.set_quantization_info(src->quantization_info()); + CLScheduler::get().tune_kernel_static(*_im2col_kernel); + + // Update GEMM input + gemm_input_to_use = &_im2col_output; + } + + // Create GEMM output tensor + if (!_skip_col2im) + { + TensorShape shape_gemm; + + // If we cannot skip col2im it means we run im2col as well + shape_gemm = _im2col_output.tensor_shape(); + shape_gemm.set(0, mat_weights_cols); + shape_gemm.set(1, conv_w * conv_h); + + _gemm_output = TensorInfo(shape_gemm, 1, data_type); + _gemm_output.set_quantization_info(dst->quantization_info()).set_data_layout(src->data_layout()); + + // Update GEMM output + gemm_output_to_use = &_gemm_output; + } + + GEMMLowpOutputStageInfo gemmlowp_output_stage; + gemmlowp_output_stage.type = GEMMLowpOutputStageType::QUANTIZE_DOWN_FIXEDPOINT; + gemmlowp_output_stage.gemmlowp_offset = 0; + + // Configure output stage for quantized case + if (_is_quantized) + { + const auto output_quant_info = (dst->total_size() == 0) ? iq_info : oq_info; + const bool is_quantized_per_channel = is_data_type_quantized_per_channel(weights->data_type()); + const unsigned int num_filters = (is_quantized_per_channel) ? num_kernels : 1; + + gemmlowp_output_stage.is_quantized_per_channel = is_quantized_per_channel; + + gemmlowp_output_stage.gemmlowp_multipliers.resize(num_filters); + gemmlowp_output_stage.gemmlowp_shifts.resize(num_filters); + quantization::compute_quantized_multipliers_and_shifts(src, weights, dst, + gemmlowp_output_stage.gemmlowp_multipliers.data(), + gemmlowp_output_stage.gemmlowp_shifts.data()); + gemmlowp_output_stage.gemmlowp_multiplier = gemmlowp_output_stage.gemmlowp_multipliers[0]; + gemmlowp_output_stage.gemmlowp_shift = gemmlowp_output_stage.gemmlowp_shifts[0]; + + PixelValue min_val{}; + PixelValue max_val{}; + std::tie(min_val, max_val) = get_min_max(dst->data_type()); + + auto min_activation = min_val.get<int32_t>(); + auto max_activation = max_val.get<int32_t>(); + + const std::set<ActivationLayerInfo::ActivationFunction> supported_acts = { + ActivationLayerInfo::ActivationFunction::RELU, ActivationLayerInfo::ActivationFunction::BOUNDED_RELU, + ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU}; + + if (conv2d_info.act_info.enabled()) + { + if (supported_acts.count(conv2d_info.act_info.activation()) != 0) + { + std::tie(min_activation, max_activation) = + get_quantized_activation_min_max(conv2d_info.act_info, data_type, output_quant_info); + } + else + { + _fuse_activation = false; + } + } + + // Set the GEMMLowp output stage info + gemmlowp_output_stage.gemmlowp_offset = output_quant_info.offset; + gemmlowp_output_stage.gemmlowp_min_bound = min_activation; + gemmlowp_output_stage.gemmlowp_max_bound = max_activation; + } + + // Configure and tune GEMM + // In case of NHWC, we need to run GEMM3D (gemm_3d_depth != 0) in order to avoid reshaping the output matrix + const unsigned int gemm_3d_depth = (data_layout == DataLayout::NHWC) ? conv_h : 0; + + configure_mm(compile_context, gemm_input_to_use, &_weights_reshaped, biases_to_use, gemm_output_to_use, + gemmlowp_output_stage, gemm_3d_depth, conv2d_info.act_info); + + if (!_skip_col2im) + { + // Set the GPU target for col2im + _col2im_kernel = std::make_unique<opencl::kernels::ClCol2ImKernel>(); + _col2im_kernel->set_target(CLScheduler::get().target()); + // Configure and tune Col2Im + _col2im_kernel->configure(compile_context, gemm_output_to_use, dst, Size2D(conv_w, conv_h), + conv2d_info.num_groups); + CLScheduler::get().tune_kernel_static(*_col2im_kernel.get()); + } + + ARM_COMPUTE_ERROR_ON_MSG((dst->dimension(idx_width) != conv_w) || (dst->dimension(idx_height) != conv_h), + "Output shape does not match the expected one"); + + if (!_fuse_activation) + { + _activation_kernel = std::make_unique<opencl::kernels::ClActivationKernel>(); + _activation_kernel->configure(compile_context, dst, nullptr, conv2d_info.act_info); + } + + _aux_mem[Im2ColOutput] = + MemoryInfo(offset_int_vec(Im2ColOutput), MemoryLifetime::Temporary, _im2col_output.total_size()); + _aux_mem[WeightsReshaped] = + MemoryInfo(offset_int_vec(WeightsReshaped), MemoryLifetime::Persistent, _weights_reshaped.total_size()); + _aux_mem[GemmOutput] = MemoryInfo(offset_int_vec(GemmOutput), MemoryLifetime::Temporary, _gemm_output.total_size()); +} + +Status ClGemmConv2d::validate(const ITensorInfo *src, + const ITensorInfo *weights, + const ITensorInfo *biases, + const ITensorInfo *dst, + const Conv2dInfo &conv2d_info, + const WeightsInfo &weights_info) +{ + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src, weights, dst); + ARM_COMPUTE_RETURN_ERROR_ON_MSG(weights_info.are_reshaped(), "Weights already reshaped are not supported!"); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(src, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, + DataType::F16, DataType::F32); + const bool is_quantized_per_channel = is_data_type_quantized_per_channel(weights->data_type()); + + if (!is_quantized_per_channel) + { + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, weights); + } + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_LAYOUT(src, weights); + ARM_COMPUTE_RETURN_ERROR_ON_MSG((conv2d_info.num_groups != 1) && (src->data_layout() != DataLayout::NCHW), + "Grouping (num_groups != 1) with NHWC data layout is not supported"); + ARM_COMPUTE_RETURN_ERROR_ON_MSG((conv2d_info.num_groups != 1) && (src->data_type() == DataType::QASYMM8), + "Grouping (num_groups != 1) is not supported with QASYMM8"); + ARM_COMPUTE_RETURN_ERROR_ON(((src->dimension(2) / weights->dimension(2)) != conv2d_info.num_groups) && + (src->data_layout() == DataLayout::NCHW)); + + const DataLayout data_layout = src->data_layout(); + const DataType data_type = src->data_type(); + const int idx_width = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH); + const int idx_height = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT); + const int idx_channel = get_data_layout_dimension_index(data_layout, DataLayoutDimension::CHANNEL); + const int idx_kernels = get_data_layout_dimension_index(data_layout, DataLayoutDimension::BATCHES); + + const unsigned int kernel_width = weights->dimension(idx_width); + const unsigned int kernel_height = weights->dimension(idx_height); + const unsigned int num_kernels = weights->dimension(idx_kernels); + + TensorInfo im2col_reshaped_info{}; + TensorInfo info_gemm{}; + TensorInfo weights_reshaped_info{}; + const ITensorInfo *gemm_input_to_use = src; + const ITensorInfo *gemm_output_to_use = dst; + const ITensorInfo *weights_to_use = weights; + const bool is_quantized = is_data_type_quantized_asymmetric(data_type); + const bool skip_im2col = (data_layout == DataLayout::NHWC && kernel_width == 1 && kernel_height == 1 && + conv2d_info.conv_info.stride().first == 1 && conv2d_info.conv_info.stride().second == 1); + const bool skip_col2im = data_layout == DataLayout::NHWC; + bool fuse_activation = true; + + ARM_COMPUTE_RETURN_ERROR_ON((weights->dimension(idx_channel) * conv2d_info.num_groups) != + src->dimension(idx_channel)); + ARM_COMPUTE_RETURN_ERROR_ON(weights->num_dimensions() > 4); + + // Validate biases + if (biases != nullptr) + { + if (is_quantized) + { + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(biases, 1, DataType::S32); + } + else + { + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, biases); + } + ARM_COMPUTE_RETURN_ERROR_ON(biases->dimension(0) != weights->dimension(idx_kernels)); + ARM_COMPUTE_RETURN_ERROR_ON(biases->num_dimensions() > 1); + } + + if (conv2d_info.act_info.enabled()) + { + ARM_COMPUTE_ERROR_ON(conv2d_info.act_info.b() > conv2d_info.act_info.a()); + } + + // Get convolved dimensions + unsigned int conv_w = 0; + unsigned int conv_h = 0; + + std::tie(conv_w, conv_h) = scaled_dimensions(src->dimension(idx_width), src->dimension(idx_height), kernel_width, + kernel_height, conv2d_info.conv_info, conv2d_info.dilation); + + unsigned int mat_weights_cols = num_kernels / conv2d_info.num_groups; + + const ITensorInfo *biases_to_use = biases; + bool append_bias = false; + + if (conv2d_info.num_groups != 1 && biases != nullptr) + { + // num_groups != 1 can only be for NCHW + // Since it is missing an utility function to reshape the biases, we append the biases into the weights tensor + biases_to_use = nullptr; + append_bias = true; + weights_reshaped_info = + TensorInfo(compute_weights_reshaped_shape(*weights, true, conv2d_info.num_groups), 1, data_type); + } + else + { + weights_reshaped_info = + TensorInfo(compute_weights_reshaped_shape(*weights, false, conv2d_info.num_groups), 1, data_type); + } + + weights_to_use = &weights_reshaped_info; + + if (!skip_im2col) + { + const Size2D kernel_dims(kernel_width, kernel_height); + + // Output tensor auto initialization if not yet initialized + TensorShape expected_output_shape = + compute_im2col_conv_shape(src, kernel_dims, conv2d_info.conv_info, append_bias, conv2d_info.dilation, + conv2d_info.num_groups == 1, conv2d_info.num_groups); + + auto_init_if_empty(im2col_reshaped_info, src->clone()->set_tensor_shape(expected_output_shape)); + + ARM_COMPUTE_RETURN_ON_ERROR( + opencl::kernels::ClIm2ColKernel::validate(src, &im2col_reshaped_info, kernel_dims, conv2d_info.conv_info, + append_bias, conv2d_info.dilation, conv2d_info.num_groups)); + gemm_input_to_use = &im2col_reshaped_info; + } + + // Create GEMM output tensor + if (!skip_col2im) + { + TensorShape shape_gemm; + + shape_gemm = gemm_input_to_use->tensor_shape(); + shape_gemm.set(0, mat_weights_cols); + shape_gemm.set(1, conv_w * conv_h); + + info_gemm = TensorInfo(shape_gemm, 1, data_type); + info_gemm.set_quantization_info(dst->quantization_info()).set_data_layout(src->data_layout()); + gemm_output_to_use = &info_gemm; + } + + GEMMLowpOutputStageInfo gemmlowp_output_stage; + gemmlowp_output_stage.type = GEMMLowpOutputStageType::QUANTIZE_DOWN_FIXEDPOINT; + gemmlowp_output_stage.gemmlowp_offset = 0; + gemmlowp_output_stage.is_quantized_per_channel = is_quantized_per_channel; + + if (is_quantized) + { + const UniformQuantizationInfo iq_info = src->quantization_info().uniform(); + const UniformQuantizationInfo oq_info = dst->quantization_info().uniform(); + const auto output_quant_info = (dst->total_size() == 0) ? iq_info : oq_info; + const unsigned int num_filters = (is_quantized_per_channel) ? num_kernels : 1; + + gemmlowp_output_stage.gemmlowp_multipliers.resize(num_filters); + gemmlowp_output_stage.gemmlowp_shifts.resize(num_filters); + quantization::compute_quantized_multipliers_and_shifts(src, weights, dst, + gemmlowp_output_stage.gemmlowp_multipliers.data(), + gemmlowp_output_stage.gemmlowp_shifts.data()); + gemmlowp_output_stage.gemmlowp_multiplier = gemmlowp_output_stage.gemmlowp_multipliers[0]; + gemmlowp_output_stage.gemmlowp_shift = gemmlowp_output_stage.gemmlowp_shifts[0]; + + int min_activation = 0; + int max_activation = 0; + + const std::set<ActivationLayerInfo::ActivationFunction> supported_acts = { + ActivationLayerInfo::ActivationFunction::RELU, ActivationLayerInfo::ActivationFunction::BOUNDED_RELU, + ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU}; + + if (conv2d_info.act_info.enabled()) + { + if (supported_acts.count(conv2d_info.act_info.activation()) != 0) + { + std::tie(min_activation, max_activation) = + get_quantized_activation_min_max(conv2d_info.act_info, data_type, output_quant_info); + } + else + { + fuse_activation = false; + } + } + + // Set the GEMMLowp output stage info + gemmlowp_output_stage.gemmlowp_offset = output_quant_info.offset; + gemmlowp_output_stage.gemmlowp_min_bound = min_activation; + gemmlowp_output_stage.gemmlowp_max_bound = max_activation; + } + + // In case of NHWC, we need to run GEMM3D (gemm_3d_depth != 0) in order to avoid reshaping the output matrix + const unsigned int gemm_3d_depth = (data_layout == DataLayout::NHWC) ? conv_h : 0; + + ARM_COMPUTE_RETURN_ON_ERROR(validate_mm(gemm_input_to_use, weights_to_use, biases_to_use, gemm_output_to_use, + gemmlowp_output_stage, gemm_3d_depth, skip_im2col, conv2d_info.act_info)); + + // Validate Col2Im + if (!skip_col2im) + { + ARM_COMPUTE_RETURN_ON_ERROR( + kernels::ClCol2ImKernel::validate(gemm_output_to_use, dst, Size2D(conv_w, conv_h), conv2d_info.num_groups)); + } + + // Validate Activation Layer + if (!fuse_activation) + { + ARM_COMPUTE_RETURN_ON_ERROR(kernels::ClActivationKernel::validate(dst, nullptr, conv2d_info.act_info)); + } + + return Status{}; +} + +void ClGemmConv2d::run(ITensorPack &tensors) +{ + prepare(tensors); + + auto src = tensors.get_const_tensor(ACL_SRC_0); + auto biases = tensors.get_const_tensor(ACL_SRC_2); + auto dst = tensors.get_tensor(ACL_DST); + auto gemm_input_to_use = src; + auto gemm_output_to_use = dst; + + CLAuxTensorHandler im2col_output(offset_int_vec(Im2ColOutput), _im2col_output, tensors, false); + CLAuxTensorHandler gemm_output(offset_int_vec(GemmOutput), _gemm_output, tensors, false); + CLAuxTensorHandler weights_reshaped(offset_int_vec(WeightsReshaped), _weights_reshaped, tensors, false); + + // Run im2col + if (!_skip_im2col) + { + ITensorPack pack = {{TensorType::ACL_SRC, src}, {TensorType::ACL_DST, im2col_output.get()}}; + CLScheduler::get().enqueue_op(*_im2col_kernel, pack, false); + gemm_input_to_use = im2col_output.get(); + } + if (!_skip_col2im) + { + gemm_output_to_use = gemm_output.get(); + } + ITensorPack pack_mm = tensors; + pack_mm.add_const_tensor(TensorType::ACL_SRC_0, gemm_input_to_use); + pack_mm.add_const_tensor(TensorType::ACL_SRC_1, weights_reshaped.get()); + if (!_append_bias) + { + pack_mm.add_const_tensor(TensorType::ACL_SRC_2, biases); + } + pack_mm.add_tensor(TensorType::ACL_DST, gemm_output_to_use); + // Runs ClGemm or ClGemmLowpMatrixMultiplyCore functions + if (_is_quantized) + { + // Run gemmlowp + _mm_gemmlowp->run(pack_mm); + } + else + { + // Run gemm + _mm_gemm->run(pack_mm); + } + + // Reshape output matrix + if (!_skip_col2im) + { + ITensorPack pack = {{TensorType::ACL_SRC, gemm_output_to_use}, {TensorType::ACL_DST, dst}}; + CLScheduler::get().enqueue_op(*_col2im_kernel.get(), pack, false); + } + + //Run Activation Layer if we cannot fuse in GEMM + if (!_fuse_activation) + { + ITensorPack pack = {{TensorType::ACL_SRC, dst}, {TensorType::ACL_DST, dst}}; + CLScheduler::get().enqueue_op(*_activation_kernel.get(), pack, false); + } +} + +void ClGemmConv2d::prepare(ITensorPack &tensors) +{ + if (!_is_prepared) + { + // Run weights reshaping and mark original weights tensor as unused + ICLTensor *weights_reshaped_p = + utils::cast::polymorphic_downcast<ICLTensor *>(tensors.get_tensor(offset_int_vec(WeightsReshaped))); + CLAuxTensorHandler weights_reshaped(_weights_reshaped, *weights_reshaped_p); + auto weights = tensors.get_const_tensor(TensorType::ACL_SRC_1); + ITensorPack pack = {{TensorType::ACL_SRC, weights}, {TensorType::ACL_DST, weights_reshaped.get()}}; + + if (_append_bias) + { + const auto biases = tensors.get_const_tensor(TensorType::ACL_SRC_2); + pack.add_const_tensor(TensorType::ACL_BIAS, biases); + } + CLScheduler::get().enqueue_op(*_weights_reshape_kernel.get(), pack, true); + tensors.add_const_tensor(TensorType::ACL_SRC_1, weights_reshaped.get()); + + // Prepare GEMM + _is_quantized ? _mm_gemmlowp->prepare(tensors) : _mm_gemm->prepare(tensors); + _is_prepared = true; + } +} +experimental::MemoryRequirements ClGemmConv2d::workspace() const +{ + return _aux_mem; +} +} // namespace opencl +} // namespace arm_compute |