| /* |
| * Copyright (c) 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/cpu/operators/CpuMatMul.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/core/utils/quantization/AsymmHelpers.h" |
| #include "arm_compute/core/experimental/Types.h" |
| #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
| #include "arm_compute/runtime/NEON/NEScheduler.h" |
| #include "arm_compute/runtime/NEON/functions/NEMatMul.h" |
| #include "src/common/utils/Log.h" |
| #include "src/core/CPP/Validate.h" |
| #include "src/core/helpers/AutoConfiguration.h" |
| #include "src/core/helpers/MemoryHelpers.h" |
| #include "src/core/utils/quantization/AsymmHelpers.h" |
| #include "src/cpu/utils/CpuAuxTensorHandler.h" |
| |
| using namespace arm_compute::experimental; |
| |
| namespace arm_compute |
| { |
| namespace cpu |
| { |
| namespace |
| { |
| |
| Status get_gemmlowp_output_stage_info(const ITensorInfo *src, const ITensorInfo *weights, const ITensorInfo *dst, const ActivationLayerInfo &act, |
| GEMMLowpOutputStageInfo &gemmlowp_output_stage_info) |
| { |
| const auto data_type = src->data_type(); |
| const QuantizationInfo oq_info = dst->quantization_info(); |
| const UniformQuantizationInfo iq_unif = src->quantization_info().uniform(); |
| const UniformQuantizationInfo wq_unif = weights->quantization_info().uniform(); |
| const UniformQuantizationInfo oq_unif = oq_info.uniform(); |
| |
| float multiplier = (iq_unif.scale * wq_unif.scale) / oq_unif.scale; |
| int32_t output_multiplier; |
| int32_t output_shift; |
| |
| ARM_COMPUTE_RETURN_ON_ERROR(quantization::calculate_quantized_multiplier(multiplier, &output_multiplier, &output_shift)); |
| |
| int32_t type_min = 0; |
| int32_t type_max = 0; |
| std::tie(type_min, type_max) = quantization::get_quantized_asymmetric_output_min_max(oq_info, act, data_type); |
| |
| gemmlowp_output_stage_info.gemmlowp_multiplier = output_multiplier; |
| gemmlowp_output_stage_info.gemmlowp_shift = output_shift; |
| gemmlowp_output_stage_info.gemmlowp_offset = oq_unif.offset; |
| gemmlowp_output_stage_info.type = GEMMLowpOutputStageType::QUANTIZE_DOWN_FIXEDPOINT; |
| gemmlowp_output_stage_info.gemmlowp_min_bound = type_min; |
| gemmlowp_output_stage_info.gemmlowp_max_bound = type_max; |
| |
| return Status{}; |
| } |
| |
| } |
| |
| CpuMatMul::CpuMatMul() |
| : _transpose_kernel_lhs(), _transpose_kernel_rhs(), _asm_glue(), _lhs_transposed(), _rhs_transposed(), _original_lhs_shape(), _original_rhs_shape(), _original_dst_shape() |
| { |
| } |
| |
| Status CpuMatMul::validate(const ITensorInfo *lhs, const ITensorInfo *rhs, const ITensorInfo *dst, const MatMulInfo &info, const CpuMatMulSettings &settings) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(lhs, rhs, dst); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(lhs, 1, DataType::F32, DataType::F16, DataType::QASYMM8, DataType::QASYMM8_SIGNED); |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(lhs->are_values_constant(), "LHS Tensor must be dynamic."); |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(rhs->are_values_constant(), "RHS Tensor must be dynamic."); |
| ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(lhs); |
| ARM_COMPUTE_RETURN_ERROR_ON_CPU_BF16_UNSUPPORTED(lhs); |
| |
| const auto adj_lhs = info.adj_lhs(); |
| const auto adj_rhs = info.adj_rhs(); |
| |
| const ITensorInfo *lhs_to_use = lhs; |
| const ITensorInfo *rhs_to_use = rhs; |
| TensorInfo lhs_transposed{}; |
| TensorInfo rhs_transposed{}; |
| |
| auto gemm_info = AsmGemmInfo(); |
| gemm_info.activation_info = info.fused_activation(); |
| gemm_info.fast_mode = settings.fast_math(); |
| |
| // Validate and then permute a/b |
| if(adj_lhs) |
| { |
| auto_init_if_empty(lhs_transposed, lhs->clone()->set_tensor_shape(misc::shape_calculator::compute_transposed_shape(*lhs))); |
| ARM_COMPUTE_RETURN_ON_ERROR(cpu::kernels::CpuTransposeKernel::validate(lhs_to_use, &lhs_transposed)); |
| // Assign lhs_to_use pointer to use transposed TensorInfo |
| lhs_to_use = &lhs_transposed; |
| } |
| if(adj_rhs) |
| { |
| auto_init_if_empty(rhs_transposed, rhs->clone()->set_tensor_shape(misc::shape_calculator::compute_transposed_shape(*rhs))); |
| ARM_COMPUTE_RETURN_ON_ERROR(cpu::kernels::CpuTransposeKernel::validate(rhs_to_use, &rhs_transposed)); |
| // Assign rhs_to_use pointer to use transposed TensorInfo |
| rhs_to_use = &rhs_transposed; |
| } |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(lhs_to_use->dimension(0) != rhs_to_use->dimension(1), |
| "The product AB is defined only if the number of columns in A is equal to the number of rows in B (after transpose)"); |
| |
| // Iterate over dimensions to be collapsed in operator - check dimensions are equivalent between tensors |
| for(unsigned int i = 2; i < Coordinates::num_max_dimensions; i++) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(lhs_to_use->dimension(i) != rhs_to_use->dimension(i), "Broadcasting in Batch dimension is unsupported by this operator."); |
| } |
| |
| // Quantized-specific configuration |
| if(is_data_type_quantized(lhs->data_type())) |
| { |
| ARM_COMPUTE_RETURN_ON_ERROR(get_gemmlowp_output_stage_info(lhs_to_use, rhs_to_use, dst, gemm_info.activation_info, gemm_info.output_stage)); |
| } |
| |
| cpu::CpuGemmAssemblyDispatch::validate(lhs_to_use, rhs_to_use, nullptr, dst, gemm_info); |
| |
| return Status{}; |
| } |
| |
| void CpuMatMul::configure(ITensorInfo *lhs, ITensorInfo *rhs, ITensorInfo *dst, const MatMulInfo &info, const CpuMatMulSettings &settings) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(lhs, rhs, dst); |
| ARM_COMPUTE_LOG_PARAMS(lhs, rhs, dst, info, settings); |
| ARM_COMPUTE_ERROR_THROW_ON(CpuMatMul::validate(lhs, rhs, dst, info, settings)); |
| |
| _adj_lhs = info.adj_lhs(); |
| _adj_rhs = info.adj_rhs(); |
| _fast_math = settings.fast_math(); |
| |
| // 1. Create and reshape tensors |
| // ------------------------------------------------------ |
| // a. Clone TensorInfo to prevent changing original tensor values during setup |
| // b. Change shape of lhs/dst to [x, y, 1, collapsed(z)] to match assembly kernel configuration |
| // c. For rhs collapse all dimensions larger than 3 to z dimension |
| TensorInfo lhs_to_use = *lhs->clone(); |
| TensorInfo dst_to_use = *dst->clone(); |
| TensorInfo rhs_to_use = *rhs->clone(); |
| |
| // Save starting shape of tensors |
| _original_lhs_shape = lhs_to_use.tensor_shape(); |
| _original_dst_shape = dst_to_use.tensor_shape(); |
| _original_rhs_shape = rhs_to_use.tensor_shape(); |
| |
| // Reshape lhs for use with assembly kernels. |
| lhs_to_use.set_tensor_shape(TensorShape(_original_lhs_shape.x(), _original_lhs_shape.y(), 1, _original_lhs_shape.collapsed_from(2).z())); |
| dst_to_use.set_tensor_shape(TensorShape(_original_dst_shape.x(), _original_dst_shape.y(), 1, _original_dst_shape.collapsed_from(2).z())); |
| rhs_to_use.set_tensor_shape(_original_rhs_shape.collapsed_from(2)); |
| |
| // 2. Configuration for transpose of lhs/rhs |
| // ------------------------------------------------------ |
| // Initialise transposed TensorInfo class for aux tensors (intermediary tensors) |
| if(_adj_lhs) |
| { |
| // Setup transpose LHS |
| _transpose_kernel_lhs = std::make_unique<cpu::kernels::CpuTransposeKernel>(); |
| _transpose_kernel_lhs->configure(&lhs_to_use, &_lhs_transposed); |
| } |
| |
| if(_adj_rhs) |
| { |
| // Setup transpose RHS |
| _transpose_kernel_rhs = std::make_unique<cpu::kernels::CpuTransposeKernel>(); |
| _transpose_kernel_rhs->configure(&rhs_to_use, &_rhs_transposed); |
| } |
| |
| // 3. Configure assembly kernel using transposed tensors. |
| // ----------------------------------------------------- |
| // Use transposed tensors if the corresponding transpose flags are set |
| // Fill AsmGemmInfo class object before configuration |
| _gemm_info.activation_info = info.fused_activation(); |
| _gemm_info.fast_mode = settings.fast_math(); |
| _gemm_info.negated_offsets = false; |
| |
| lhs_to_use = (_adj_lhs) ? _lhs_transposed : lhs_to_use; |
| rhs_to_use = (_adj_rhs) ? _rhs_transposed : rhs_to_use; |
| |
| // Quantized-specific configuration |
| if(is_data_type_quantized(lhs->data_type())) |
| { |
| get_gemmlowp_output_stage_info(&lhs_to_use, &rhs_to_use, &dst_to_use, _gemm_info.activation_info, _gemm_info.output_stage); |
| } |
| |
| // Configure Asm Kernel |
| _asm_glue = std::make_unique<cpu::CpuGemmAssemblyDispatch>(); |
| _asm_glue->configure(&lhs_to_use, &rhs_to_use, nullptr, &dst_to_use, _gemm_info); // c is nullptr as bias not supported in MatMul |
| |
| // Specify memory requirements for intermediate tensors |
| auto asm_mem_req = _asm_glue->workspace(); |
| // Specify memory required by gemm kernel |
| int idx = 0; |
| for(const auto &aux : asm_mem_req) |
| { |
| _aux_mem[idx] = aux; |
| idx++; |
| } |
| // Memory requirements for transposed tensors |
| _aux_mem[TransposeLHS] = MemoryInfo(offset_int_vec(TransposeLHS), MemoryLifetime::Temporary, lhs->total_size()); |
| _aux_mem[TransposeRHS] = MemoryInfo(offset_int_vec(TransposeRHS), MemoryLifetime::Temporary, rhs->total_size()); |
| } |
| |
| void CpuMatMul::run(ITensorPack &tensors) |
| { |
| // Retrieve tensors from tensor pack |
| auto lhs = tensors.get_tensor(ACL_SRC_0); |
| auto rhs = tensors.get_const_tensor(ACL_SRC_1); |
| auto dst = tensors.get_tensor(ACL_DST); |
| |
| // Reshape LHS and DST to ensure compatibility with GEMM asm kernel (Batch dimensions is 4th for lhs and dst within asm) |
| // Collapse RHS (necessary to support dimensions larger than 3 in gemm assembly) |
| lhs->info()->set_tensor_shape(TensorShape(_original_lhs_shape.x(), _original_lhs_shape.y(), 1, _original_lhs_shape.collapsed_from(2).z())); // Collapsed 3+ dimensions into z |
| dst->info()->set_tensor_shape(TensorShape(_original_dst_shape.x(), _original_dst_shape.y(), 1, _original_dst_shape.collapsed_from(2).z())); // Collapsed 3+ dimensions into z |
| rhs->info()->set_tensor_shape(_original_rhs_shape.collapsed_from(2)); |
| |
| // Initialise object to handle stored transposed tensors in auxillary memory |
| CpuAuxTensorHandler lhs_transposed(offset_int_vec(TransposeLHS), _lhs_transposed, tensors, true); |
| CpuAuxTensorHandler rhs_transposed(offset_int_vec(TransposeRHS), _rhs_transposed, tensors, true); |
| |
| // Create tensor pack for asm kernel |
| ITensorPack asm_tensors(tensors); |
| |
| // Run transpose lhs if necessary |
| if(_adj_lhs) |
| { |
| ITensorPack lhs_transpose_pack = { { TensorType::ACL_SRC, lhs }, { TensorType::ACL_DST, lhs_transposed.get() } }; |
| NEScheduler::get().schedule_op(_transpose_kernel_lhs.get(), Window::DimY, _transpose_kernel_lhs->window(), lhs_transpose_pack); |
| asm_tensors.add_const_tensor(TensorType::ACL_SRC_0, lhs_transposed.get()); |
| } |
| // Run transpose rhs if necessary |
| if(_adj_rhs) |
| { |
| ITensorPack rhs_transpose_pack = { { TensorType::ACL_SRC, rhs }, { TensorType::ACL_DST, rhs_transposed.get() } }; |
| NEScheduler::get().schedule_op(_transpose_kernel_rhs.get(), Window::DimY, _transpose_kernel_rhs->window(), rhs_transpose_pack); |
| asm_tensors.add_const_tensor(TensorType::ACL_SRC_1, rhs_transposed.get()); |
| } |
| // Run asm kernel |
| _asm_glue->run(asm_tensors); |
| |
| // Undo reshape of tensors |
| dst->info()->set_tensor_shape(_original_dst_shape); |
| lhs->info()->set_tensor_shape(_original_lhs_shape); |
| rhs->info()->set_tensor_shape(_original_rhs_shape); |
| } |
| |
| experimental::MemoryRequirements CpuMatMul::workspace() const |
| { |
| return _aux_mem; |
| } |
| } // namespace cpu |
| } // namespace arm_compute |