Rename NEGEMMAssembly to CpuGemmAssembly
- Dispatch, WrapperKernel has been renamed and moved
- Header files for assembly kernels have been moved
Partially Resolves: COMPMID-4506
Change-Id: I6c2f391bb95ba1ce7ca195d0efa57b9c3225570f
Signed-off-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5637
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/runtime/cpu/operators/internal/CpuGemmAssemblyDispatch.cpp b/src/runtime/cpu/operators/internal/CpuGemmAssemblyDispatch.cpp
new file mode 100644
index 0000000..36c1bbb
--- /dev/null
+++ b/src/runtime/cpu/operators/internal/CpuGemmAssemblyDispatch.cpp
@@ -0,0 +1,863 @@
+/*
+ * Copyright (c) 2018-2021 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/runtime/cpu/operators/internal/CpuGemmAssemblyDispatch.h"
+
+#include "arm_compute/runtime/NEON/NEScheduler.h"
+#include "src/core/CPP/Validate.h"
+#include "src/core/cpu/kernels/assembly/CpuGemmAssemblyWrapperKernel.h"
+#include "src/core/cpu/kernels/assembly/arm_gemm.hpp"
+
+#include <arm_neon.h>
+#include <cstdlib>
+
+namespace arm_compute
+{
+namespace cpu
+{
+namespace
+{
+struct free_delete
+{
+ void operator()(void *x)
+ {
+ free(x);
+ }
+};
+
+struct Params
+{
+ unsigned int M;
+ unsigned int N;
+ unsigned int K;
+ unsigned int batches;
+ unsigned int multis;
+ unsigned int sections;
+ bool indirect;
+};
+
+Params extract_parameters(const ITensor *a, const ITensor *b, const ITensor *d, const AsmGemmInfo &info)
+{
+ ARM_COMPUTE_ERROR_ON_NULLPTR(a, b, d);
+
+ Params p;
+ p.M = d->info()->tensor_shape().y();
+ p.K = a->info()->tensor_shape().x();
+ p.N = d->info()->tensor_shape().x();
+ p.batches = 1;
+ p.multis = 1;
+ p.sections = 1;
+ p.indirect = false;
+
+ if(info.method == AsmConvMethod::Conv || info.method == AsmConvMethod::Indirect)
+ {
+ p.indirect = true;
+ p.sections = b->info()->tensor_shape()[2] * b->info()->tensor_shape()[3];
+ }
+ else
+ {
+ p.multis = b->info()->tensor_shape().z();
+ p.batches = d->info()->tensor_shape().total_size_upper(2) / p.multis;
+ }
+
+ // Update M in case of GEMM3D for output
+ if(info.depth_output_gemm3d != 0)
+ {
+ p.M = d->info()->tensor_shape().y() * d->info()->tensor_shape().z();
+ p.batches = d->info()->tensor_shape().total_size_upper(3) / p.multis;
+ }
+
+ return p;
+}
+
+arm_gemm::Activation map_to_arm_gemm_activation(const ActivationLayerInfo &act)
+{
+ arm_gemm::Activation gemm_act;
+
+ // Early exit in case lower bound is other than 0, as it's not yet supported
+ if(act.b() != 0.f)
+ {
+ return gemm_act;
+ }
+
+ switch(act.activation())
+ {
+ case ActivationLayerInfo::ActivationFunction::RELU:
+ gemm_act.type = arm_gemm::Activation::Type::ReLU;
+ break;
+ case ActivationLayerInfo::ActivationFunction::BOUNDED_RELU:
+ gemm_act.type = arm_gemm::Activation::Type::BoundedReLU;
+ gemm_act.param1 = act.a();
+ gemm_act.param2 = 0.f;
+ break;
+ case ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU:
+ gemm_act.type = arm_gemm::Activation::Type::BoundedReLU;
+ gemm_act.param1 = act.a();
+ gemm_act.param2 = act.b();
+ break;
+ default:
+ gemm_act.type = arm_gemm::Activation::Type::None;
+ }
+
+ return gemm_act;
+}
+
+IScheduler::Hints scheduling_hint_heuristic(arm_gemm::GemmMethod method, DataType data_type)
+{
+ // Schedule assembly kernel
+ const int granule_threshold = 200;
+ IScheduler::Hints scheduling_hint = IScheduler::Hints(Window::DimX);
+ if(method == arm_gemm::GemmMethod::GEMM_INTERLEAVED && data_type == DataType::F32)
+ {
+ scheduling_hint = IScheduler::Hints(Window::DimX, IScheduler::StrategyHint::DYNAMIC, granule_threshold);
+ }
+ else if(method == arm_gemm::GemmMethod::GEMM_INTERLEAVED_2D && (data_type == DataType::F32 || data_type == DataType::F16 || data_type == DataType::U8 || data_type == DataType::S8))
+ {
+ //GEMM_INTERLEAVED supports 2D parallelism, IScheduler::split_dimensions_all signals to parallelise over all window dimensions
+ scheduling_hint = IScheduler::Hints(IScheduler::split_dimensions_all, IScheduler::StrategyHint::STATIC, granule_threshold);
+ }
+ else if(method == arm_gemm::GemmMethod::QUANTIZE_WRAPPER_2D && (data_type == DataType::QASYMM8 || data_type == DataType::QASYMM8_SIGNED))
+ {
+ //special case for QASYMM8 to support 2D parallelism, scheduler here may be tweaked differently compared to FP32 case
+ scheduling_hint = IScheduler::Hints(IScheduler::split_dimensions_all, IScheduler::StrategyHint::STATIC, granule_threshold);
+ }
+
+ return scheduling_hint;
+}
+
+template <typename TypeInput, typename TypeOutput>
+class FallbackTransform : public ITransformWeights
+{
+public:
+ FallbackTransform() noexcept {};
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ FallbackTransform(const FallbackTransform &) = delete;
+ /** Default move constructor */
+ FallbackTransform(FallbackTransform &&) = default;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ FallbackTransform &operator=(const FallbackTransform &) = delete;
+ /** Default move assignment operator */
+ FallbackTransform &operator=(FallbackTransform &&) = default;
+ void run() override
+ {
+ _output.allocator()->allocate();
+ ARM_COMPUTE_ERROR_ON(_output.buffer() == nullptr);
+ _gemm_kernel_asm->pretranspose_B_array(_output.buffer(), _in1_ptr, _ldb, _multi_stride_b);
+ _reshape_run = true;
+ }
+
+ void release() override
+ {
+ _output.allocator()->free();
+ }
+
+ ITensor *get_weights() override
+ {
+ return &_output;
+ }
+
+ uint32_t uid() override
+ {
+ uint32_t id = (_B_pretranspose_size | 0x80000000);
+ return id;
+ }
+
+ void configure(size_t B_pretranspose_size, unsigned int alignment)
+ {
+ _output.allocator()->init(TensorInfo(TensorShape{ (B_pretranspose_size + alignment) }, 1, DataType::S8), alignment);
+ _B_pretranspose_size = B_pretranspose_size;
+ }
+
+ void set_pretranspose(ITensor *tensor)
+ {
+ if(!_reshape_run)
+ {
+ _gemm_kernel_asm->set_pretransposed_B_data(tensor->buffer());
+ }
+ }
+
+ void set_args(const int ldb, const TypeInput *in1_ptr, const int multi_stride_b, std::shared_ptr<arm_gemm::GemmCommon<TypeInput, TypeOutput>> gemm_kernel_asm)
+ {
+ _ldb = ldb;
+ _in1_ptr = in1_ptr;
+ _multi_stride_b = multi_stride_b;
+ _gemm_kernel_asm = gemm_kernel_asm;
+ }
+
+private:
+ Tensor _output{};
+ int _ldb{};
+ const TypeInput *_in1_ptr{};
+ int _multi_stride_b{};
+ size_t _B_pretranspose_size{};
+ std::shared_ptr<arm_gemm::GemmCommon<TypeInput, TypeOutput>> _gemm_kernel_asm{ nullptr };
+};
+
+/** Fallback in case ACL doesn't have a function */
+template <typename TypeInput, typename TypeOutput, class OutputStage = arm_gemm::Nothing>
+class Fallback : public CpuGemmAssemblyDispatch::IFallback
+{
+public:
+ /** Destructor */
+ ~Fallback()
+ {
+ // Release memory if we have allocated the memory ourselves
+ if(_pretranspose && !(_weights_manager && _weights_manager->are_weights_managed(_b)))
+ {
+ delete _pretranspose;
+ }
+ }
+
+ /** Initialise the functions's input and output.
+ *
+ * @param[in] a Input tensor containing the Matrix A.
+ * @param[in] b Input tensor containing the Matrix B.
+ * @param[in] c Input tensor containing the Matrix C.
+ * @param[out] d Output tensor to store the result of matrix multiplication.
+ * @param[in] args Matrix multiplication information.
+ * @param[in] gemm_info GEMM meta-data
+ * @param[in] memory_group Memory group to be used by the function.
+ * @param[in] weights_manager Weights manager to be used by the function.
+ * @param[in] os Output stage meta-data.
+ */
+ void configure(const ITensor *a, const ITensor *b, const ITensor *c, ITensor *d,
+ arm_gemm::GemmArgs args, const AsmGemmInfo &gemm_info,
+ MemoryGroup &memory_group, IWeightsManager *weights_manager, const OutputStage &os = {});
+
+ /** Set requantization shifts to be used
+ *
+ * @param[in] shifts Requantization shifts
+ *
+ * @return Pointer to the shift data
+ */
+ /** Set requantization data to be used
+ *
+ *
+ * @param shifts Requantization shifts
+ * @param multipliers Requantization multipliers
+ *
+ * @return A tuple with the pointers to the shift and multiplier data respectively
+ */
+ std::tuple<bool, const int32_t *, const int32_t *, const int32_t *> set_requantize_data(const std::vector<int32_t> &shifts,
+ const std::vector<int32_t> &multipliers);
+
+ // Inherited methods overridden:
+ void run() override;
+ void prepare() override;
+ bool is_configured() const override;
+
+private:
+ /** Allocate a workspace tensor.
+ *
+ * @param[in] workspace_size Size to allocate.
+ * @param[in] memory_group Tensor memory group.
+ * @param[in] alignment Workspace memory alignment.
+ */
+ void allocate_workspace(size_t workspace_size, MemoryGroup &memory_group, size_t alignment);
+ /** Configure the indirect buffer
+ *
+ * @param[in] a Input tensor containing the Matrix A.
+ * @param[in] b Input tensor containing the Matrix B.
+ * @param[out] d Output tensor to store the result of matrix multiplication.
+ * @param[in] info GEMM meta-data
+ */
+ void configure_indirect(const ITensorInfo *a, const ITensorInfo *b, const ITensorInfo *d, const AsmGemmInfo &info);
+ /** Prepare the indirect buffer */
+ void prepare_indirect_buffer();
+
+ /** Assembly Gemm kernel */
+ std::shared_ptr<arm_gemm::GemmCommon<TypeInput, TypeOutput>> _gemm_kernel_asm{ nullptr };
+ /** Optimised Arm® Neon™ kernel */
+ std::unique_ptr<INEKernel> _optimised_kernel{ nullptr };
+ /** Input A */
+ const ITensor *_a
+ {
+ nullptr
+ };
+ /** Input B */
+ const ITensor *_b
+ {
+ nullptr
+ };
+ const ITensor *_c
+ {
+ nullptr
+ };
+ /** Output */
+ ITensor *_d{ nullptr };
+ /** GEMM workspace */
+ Tensor _workspace{};
+ /** Pre-transpose tensor */
+ ITensor *_pretranspose{ nullptr };
+ /** Prepared flag */
+ bool _is_prepared{ false };
+ /** GEMM meta-data */
+ AsmGemmInfo _gemm_info{};
+ /** Weights manager */
+ IWeightsManager *_weights_manager{ nullptr };
+ /** Weights transform object */
+ FallbackTransform<TypeInput, TypeOutput> _weights_transform{};
+ /** GEMM kernel description */
+ arm_gemm::KernelDescription _kernel_info{};
+ /** Per channel quantization shifts */
+ std::vector<int32_t> _shifts{};
+ std::vector<int32_t> right_shifts{};
+ std::vector<int32_t> left_shifts{};
+ /** Per channel quantization multipliers */
+ std::vector<int32_t> _multipliers{};
+ /** Indirect buffer */
+ std::unique_ptr<const TypeInput *const *, free_delete> _indirect_arg{};
+ std::unique_ptr<const TypeInput *, free_delete> _indirect_buf{};
+ std::vector<TypeInput> _indirect_pad{};
+ arm_gemm::ConvolutionParameters _cp{};
+};
+
+template <typename TypeInput, typename TypeOutput, class OutputStage>
+std::tuple<bool, const int32_t *, const int32_t *, const int32_t *>
+Fallback<TypeInput, TypeOutput, OutputStage>::set_requantize_data(const std::vector<int32_t> &shifts, const std::vector<int32_t> &multipliers)
+{
+ _multipliers = multipliers;
+ _shifts = shifts;
+ bool need_left = false;
+ for(const auto s : _shifts)
+ {
+ left_shifts.push_back(std::max(-s, int32_t(0)));
+ right_shifts.push_back(std::min(-s, int32_t(0)));
+ if(s < 0 && !need_left)
+ {
+ need_left = true;
+ }
+ }
+ return std::make_tuple(need_left, left_shifts.data(), right_shifts.data(), _multipliers.data());
+}
+
+template <typename TypeInput, typename TypeOutput, class OutputStage>
+void Fallback<TypeInput, TypeOutput, OutputStage>::prepare_indirect_buffer()
+{
+ const TypeInput *A_ptr = reinterpret_cast<TypeInput *>(_a->buffer());
+ const int multis = 1;
+ const int batches = _a->info()->tensor_shape().total_size_upper(3);
+ const size_t stride_A = _a->info()->strides_in_bytes().y() / sizeof(TypeInput);
+ const size_t batch_stride_A = _a->info()->strides_in_bytes()[3] / sizeof(TypeInput);
+ const size_t multi_stride_A = _a->info()->strides_in_bytes()[4] / sizeof(TypeInput);
+
+ const size_t output_hw = _cp.output_height * _cp.output_width;
+ const int batch_size = _cp.kernel_height * _cp.kernel_width * output_hw * sizeof(TypeInput);
+ const size_t batch_stride = batch_size / sizeof(TypeInput);
+ const int multi_size = batch_size * batches;
+ const size_t multi_stride = multi_size / sizeof(TypeInput);
+
+ for(int64_t m = 0; m < multis; m++)
+ {
+ for(int64_t b = 0; b < batches; b++)
+ {
+ for(int64_t output_y = 0; output_y < _cp.output_height; output_y++)
+ {
+ for(int64_t output_x = 0; output_x < _cp.output_width; output_x++)
+ {
+ int64_t output_xy = (output_y * _cp.output_width) + output_x;
+
+ for(int64_t kernel_y = 0; kernel_y < _cp.kernel_height; kernel_y++)
+ {
+ for(int64_t kernel_x = 0; kernel_x < _cp.kernel_width; kernel_x++)
+ {
+ int64_t input_x = (output_x * _cp.output_stride_w) + kernel_x - _cp.padding_left;
+ int64_t input_y = (output_y * _cp.output_stride_h) + kernel_y - _cp.padding_top;
+ int64_t kernel_xy = (kernel_y * _cp.kernel_width) + kernel_x;
+ int64_t input_xy = (input_y * _cp.input_width) + input_x;
+
+ if(input_x < 0 || input_x >= _cp.input_width || input_y < 0 || input_y >= _cp.input_height)
+ {
+ _indirect_buf.get()[m * multi_stride + b * batch_stride + kernel_xy * output_hw + output_xy] = _indirect_pad.data();
+ }
+ else
+ {
+ _indirect_buf.get()[m * multi_stride + b * batch_stride + kernel_xy * output_hw + output_xy] =
+ A_ptr + (m * multi_stride_A + b * batch_stride_A + input_xy * stride_A);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+template <typename TypeInput, typename TypeOutput, class OutputStage>
+void Fallback<TypeInput, TypeOutput, OutputStage>::configure_indirect(const ITensorInfo *a, const ITensorInfo *b, const ITensorInfo *d, const AsmGemmInfo &info)
+{
+ ARM_COMPUTE_ERROR_ON(!(info.method == AsmConvMethod::Conv || info.method == AsmConvMethod::Indirect));
+
+ float zeropad = 0.f;
+ if(is_data_type_quantized(a->data_type()))
+ {
+ zeropad = a->quantization_info().uniform().offset;
+ }
+
+ const int64_t input_width = static_cast<int64_t>(a->tensor_shape()[1]);
+ const int64_t input_height = static_cast<int64_t>(a->tensor_shape()[2]);
+ const int64_t input_channels = static_cast<int64_t>(a->tensor_shape()[0]);
+ const int64_t kernel_width = static_cast<int64_t>(b->tensor_shape()[2]);
+ const int64_t kernel_height = static_cast<int64_t>(b->tensor_shape()[3]);
+ const int64_t output_width = static_cast<int64_t>(d->tensor_shape()[1]);
+ const int64_t output_height = static_cast<int64_t>(d->tensor_shape()[2]);
+
+ _cp = { input_width, input_height, input_channels, kernel_width, kernel_height, output_width, output_height,
+ info.ps_info.stride().first, info.ps_info.stride().second, info.padding_top, info.padding_left, zeropad
+ };
+
+ if(info.method == AsmConvMethod::Conv)
+ {
+ _gemm_kernel_asm->set_convolution_parameters(_cp);
+ }
+
+ if(info.method == AsmConvMethod::Indirect)
+ {
+ const unsigned int multis = 1;
+ const unsigned int batches = a->tensor_shape().total_size_upper(3);
+ const unsigned int kernel_hw = _cp.kernel_width * _cp.kernel_height;
+ const unsigned int output_hw = _cp.output_width * _cp.output_height;
+
+ using TypeInputPtr = TypeInput *;
+ const int batch_size = kernel_hw * output_hw * sizeof(TypeInputPtr);
+ const size_t batch_stride = batch_size / sizeof(TypeInputPtr);
+ const int multi_size = batch_size * batches;
+ const size_t multi_stride = multi_size / sizeof(TypeInputPtr);
+
+ _indirect_buf = std::unique_ptr<const TypeInput *, free_delete>(reinterpret_cast<const TypeInput **>(malloc(multi_size * multis)));
+ _indirect_arg = std::unique_ptr<const TypeInput *const *, free_delete>(reinterpret_cast<const TypeInput *const **>(malloc(sizeof(TypeInput **) * kernel_hw * multis * batches)));
+ _indirect_pad = std::vector<TypeInput>(_cp.input_channels, TypeInput(zeropad));
+
+ // Set indirect argument
+ int64_t pos = 0;
+ for(int64_t m = 0; m < multis; m++)
+ {
+ for(int64_t b = 0; b < batches; b++)
+ {
+ for(int64_t kernel_xy = 0; kernel_xy < kernel_hw; kernel_xy++)
+ {
+ (_indirect_arg.get())[pos++] = _indirect_buf.get() + m * multi_stride + b * batch_stride + kernel_xy * output_hw;
+ }
+ }
+ }
+
+ _gemm_kernel_asm->set_indirect_parameters(a->tensor_shape()[0], _indirect_arg.get());
+ }
+}
+
+template <typename TypeInput, typename TypeOutput, class OutputStage>
+void Fallback<TypeInput, TypeOutput, OutputStage>::configure(const ITensor *a, const ITensor *b, const ITensor *c, ITensor *d,
+ arm_gemm::GemmArgs args, const AsmGemmInfo &gemm_info,
+ MemoryGroup &memory_group, IWeightsManager *weights_manager, const OutputStage &os)
+{
+ arm_gemm::GemmConfig gemm_cfg;
+ _kernel_info = arm_gemm::get_gemm_method<TypeInput, TypeOutput, OutputStage>(args, os);
+ _weights_manager = weights_manager;
+ if(_kernel_info.method != arm_gemm::GemmMethod::GEMV_BATCHED)
+ {
+ gemm_cfg.filter = _kernel_info.name;
+ args._cfg = &gemm_cfg;
+ }
+ _gemm_kernel_asm = arm_gemm::gemm<TypeInput, TypeOutput, OutputStage>(args, os);
+ if(_gemm_kernel_asm == nullptr)
+ {
+ //configuration not supported: Leave function unconfigured:
+ return;
+ }
+
+ // arm_compute wrapper for the Gemm object (see above)
+ auto acl_gemm_wrapper = std::make_unique<kernel::CpuGemmAssemblyWrapperKernel<TypeInput, TypeOutput>>();
+ ARM_COMPUTE_ERROR_ON(acl_gemm_wrapper == nullptr);
+ acl_gemm_wrapper->configure(_gemm_kernel_asm.get(), gemm_cfg.filter);
+ const size_t workspace_size = _gemm_kernel_asm->get_working_size();
+ if(workspace_size > 0)
+ {
+ // Allocate workspace
+ const unsigned int alignment = 4096;
+ allocate_workspace(workspace_size, memory_group, alignment);
+ }
+
+ //if we disable this code below in brackets then ConvLayer deadlocks when threads > 1 and
+ //the shapes are In=1x1x1024 Weights=1x1x1024x1001 Biases=1001 Out=1x1x1001
+ {
+ const unsigned int window_size = _gemm_kernel_asm->get_window_size().total_size();
+ if(window_size < static_cast<unsigned int>(args._maxthreads))
+ {
+ _gemm_kernel_asm->set_nthreads(window_size);
+ }
+ }
+
+ _optimised_kernel = std::move(acl_gemm_wrapper);
+ _a = a;
+ _b = b;
+ _c = c;
+ _d = d;
+ _gemm_info = gemm_info;
+ // Check for pre-transposed support
+ if(_gemm_kernel_asm->B_pretranspose_required())
+ {
+ // Forcing 128-byte alignment (required by 32-bit kernels)
+ const unsigned int alignment = 128;
+ const size_t B_pretranspose_size = _gemm_kernel_asm->get_B_pretransposed_array_size();
+ if(weights_manager && _weights_manager->are_weights_managed(b))
+ {
+ _weights_transform.configure(B_pretranspose_size, alignment);
+ _pretranspose = _weights_manager->acquire(b, &_weights_transform);
+ }
+ else
+ {
+ _pretranspose = new Tensor();
+ static_cast<Tensor *>(_pretranspose)->allocator()->init(TensorInfo(TensorShape{ (B_pretranspose_size + alignment) }, 1, DataType::S8), alignment);
+ }
+ }
+
+ // Handle indirect GEMM convolution
+ if(gemm_info.method == AsmConvMethod::Conv || gemm_info.method == AsmConvMethod::Indirect)
+ {
+ configure_indirect(a->info(), b->info(), d->info(), gemm_info);
+ }
+}
+
+template <typename TypeInput, typename TypeOutput, class OutputStage>
+void Fallback<TypeInput, TypeOutput, OutputStage>::prepare()
+{
+ if(!_is_prepared)
+ {
+ // Setup up matrix bias in the assembly kernel, it's just a pointer to matrix C.
+ if(_c && _c->info()->data_type() == DataType::S32)
+ {
+ _gemm_kernel_asm->set_quantized_bias(reinterpret_cast<const int32_t *>(_c->buffer() + _c->info()->offset_first_element_in_bytes()), 0);
+ }
+
+ // Pretranspose B if required
+ if(_gemm_kernel_asm->B_pretranspose_required())
+ {
+ const int ldb = _b->info()->strides_in_bytes().y() / sizeof(TypeInput);
+ const auto in1_ptr = reinterpret_cast<const TypeInput *>(_b->buffer() + _b->info()->offset_first_element_in_bytes());
+ const int multi_stride_b = _b->info()->strides_in_bytes().z() / sizeof(TypeInput);
+
+ if(_weights_manager && _weights_manager->are_weights_managed(_b))
+ {
+ _weights_transform.set_args(ldb, in1_ptr, multi_stride_b, _gemm_kernel_asm);
+ _weights_manager->run(_b, &_weights_transform);
+
+ // If we didn't run the reshape function, set the pretransposed buffer
+ if(!_weights_transform.is_reshape_run())
+ {
+ _weights_transform.set_pretranspose(_pretranspose);
+ }
+ }
+ else
+ {
+ static_cast<Tensor *>(_pretranspose)->allocator()->allocate();
+ ARM_COMPUTE_ERROR_ON(_pretranspose->buffer() == nullptr);
+ _gemm_kernel_asm->pretranspose_B_array(_pretranspose->buffer(), in1_ptr, ldb, multi_stride_b);
+ _b->mark_as_unused();
+ }
+ }
+
+ if(_gemm_info.method == AsmConvMethod::Indirect)
+ {
+ prepare_indirect_buffer();
+ }
+
+ _is_prepared = true;
+ }
+}
+
+template <typename TypeInput, typename TypeOutput, class OutputStage>
+void Fallback<TypeInput, TypeOutput, OutputStage>::allocate_workspace(size_t workspace_size, MemoryGroup &memory_group, size_t alignment)
+{
+ ARM_COMPUTE_ERROR_ON_MSG(workspace_size == 0, "size cannot be 0");
+ _workspace.allocator()->init(TensorInfo(TensorShape{ (workspace_size + alignment) }, 1, DataType::S8), alignment);
+ memory_group.manage(&_workspace);
+ _workspace.allocator()->allocate();
+}
+
+template <typename TypeInput, typename TypeOutput, class OutputStage>
+bool Fallback<TypeInput, TypeOutput, OutputStage>::is_configured() const
+{
+ return _optimised_kernel != nullptr;
+}
+
+template <typename TypeInput, typename TypeOutput, class OutputStage>
+void Fallback<TypeInput, TypeOutput, OutputStage>::run()
+{
+ int lda = _a->info()->strides_in_bytes().y() / sizeof(TypeInput);
+ int ldb = 0;
+ const int ldd = _d->info()->strides_in_bytes().y() / sizeof(TypeOutput);
+
+ const size_t a_batch_idx = _gemm_info.reinterpret_input_as_3d != 0 ? 3 : 2;
+ const size_t a_multi_idx = a_batch_idx + 1;
+ const size_t d_batch_idx = _gemm_info.depth_output_gemm3d != 0 ? 3 : 2;
+ const size_t d_multi_idx = d_batch_idx + 1;
+
+ int batch_stride_a = _a->info()->strides_in_bytes()[a_batch_idx] / sizeof(TypeInput);
+ const int batch_stride_d = _d->info()->strides_in_bytes()[d_batch_idx] / sizeof(TypeOutput);
+
+ int multi_stride_a = _a->info()->strides_in_bytes()[a_multi_idx] / sizeof(TypeInput);
+ int multi_stride_b = 0;
+ const int multi_stride_d = _d->info()->strides_in_bytes()[d_multi_idx] / sizeof(TypeOutput);
+
+ auto in0_ptr = reinterpret_cast<const TypeInput *>(_a->buffer() + _a->info()->offset_first_element_in_bytes());
+ const TypeInput *in1_ptr = nullptr;
+ auto out_ptr = reinterpret_cast<TypeOutput *>(_d->buffer() + _d->info()->offset_first_element_in_bytes());
+
+ // Check if B is pre-tranposed and de-reference if not
+ if(!_gemm_kernel_asm->B_is_pretransposed())
+ {
+ ldb = _b->info()->strides_in_bytes().y() / sizeof(TypeInput);
+ multi_stride_b = _b->info()->strides_in_bytes().z() / sizeof(TypeInput);
+ in1_ptr = reinterpret_cast<const TypeInput *>(_b->buffer() + _b->info()->offset_first_element_in_bytes());
+ }
+
+ const auto scheduling_hint = scheduling_hint_heuristic(_kernel_info.method, _d->info()->data_type());
+
+ // Set workspace if needed and reset number of threads as buffer manager gets re-created with max_threads
+ if(_workspace.buffer() != nullptr)
+ {
+ _gemm_kernel_asm->set_working_space(reinterpret_cast<void *>(_workspace.buffer()));
+ const unsigned int split_dim = scheduling_hint.split_dimension();
+ const unsigned int window_size = _gemm_kernel_asm->get_window_size().total_size();
+ unsigned int num_threads = NEScheduler::get().num_threads();
+ if(window_size < num_threads)
+ {
+ num_threads = window_size;
+ }
+ if(split_dim != IScheduler::split_dimensions_all)
+ {
+ // Make sure the kernel does not expect more threads than we can actually spawn
+ const unsigned int num_iterations = _optimised_kernel.get()->window().num_iterations(split_dim);
+ num_threads = std::min(num_iterations, num_threads);
+ }
+ _gemm_kernel_asm->set_nthreads(num_threads);
+ }
+
+ // Prepare assembly kernel
+ prepare();
+
+ // Setup up matrix bias in the assembly kernel, it's just a pointer to matrix C.
+ TypeOutput *bias = nullptr;
+ if(_c && _c->info()->data_type() != DataType::S32)
+ {
+ bias = reinterpret_cast<TypeOutput *>(_c->buffer() + _c->info()->offset_first_element_in_bytes());
+ }
+
+ if(_gemm_info.method == AsmConvMethod::Indirect)
+ {
+ in0_ptr = nullptr;
+ lda = 0;
+ batch_stride_a = 0;
+ multi_stride_a = 0;
+ }
+
+ // Set gemm parameters
+ _gemm_kernel_asm->set_arrays(in0_ptr, lda, batch_stride_a, multi_stride_a,
+ in1_ptr, ldb, multi_stride_b,
+ out_ptr, ldd, batch_stride_d, multi_stride_d,
+ bias, 0);
+ // Schedule
+ NEScheduler::get().schedule(_optimised_kernel.get(), scheduling_hint);
+}
+
+template <typename TypeInput, typename TypeOutput>
+void create_arm_gemm(std::unique_ptr<CpuGemmAssemblyDispatch::IFallback> &arm_gemm, MemoryGroup &memory_group,
+ const ITensor *a, const ITensor *b, const ITensor *c, ITensor *d, arm_gemm::Activation activation, const AsmGemmInfo &info,
+ IWeightsManager *weights_manager)
+{
+ Params p = extract_parameters(a, b, d, info);
+ const CPUInfo &ci = NEScheduler::get().cpu_info();
+ unsigned int num_threads = NEScheduler::get().num_threads();
+
+ arm_gemm::GemmArgs args(&ci, p.M, p.N, p.K, p.sections, p.batches, p.multis, p.indirect, activation, num_threads);
+
+ // Create arm_gemm fallback
+ auto fallback = std::make_unique<Fallback<TypeInput, TypeOutput>>();
+ fallback->configure(a, b, c, d, args, info, memory_group, weights_manager);
+ arm_gemm = std::move(fallback);
+}
+
+template <typename TypeInput, typename TypeOutput>
+void create_arm_gemm_quant(std::unique_ptr<CpuGemmAssemblyDispatch::IFallback> &arm_gemm, MemoryGroup &memory_group,
+ const ITensor *a, const ITensor *b, const ITensor *c, ITensor *d, arm_gemm::Activation activation, const AsmGemmInfo &info,
+ IWeightsManager *weights_manager)
+{
+ ARM_COMPUTE_UNUSED(activation);
+ Params p = extract_parameters(a, b, d, info);
+ const CPUInfo &ci = NEScheduler::get().cpu_info();
+ unsigned int num_threads = NEScheduler::get().num_threads();
+
+ arm_gemm::GemmArgs args(&ci, p.M, p.N, p.K, p.sections, p.batches, p.multis, p.indirect, activation, num_threads);
+
+ // Create arm_gemm fallback
+ auto fallback = std::make_unique<Fallback<TypeInput, TypeOutput, arm_gemm::Requantize32>>();
+
+ // Configure requantization info
+ const int32_t negation = info.negated_offsets ? 1 : -1;
+ const int32_t a_offset = -a->info()->quantization_info().uniform().offset * negation;
+ const int32_t b_offset = -b->info()->quantization_info().uniform().offset * negation;
+ const GEMMLowpOutputStageInfo os_info = info.output_stage;
+
+ arm_gemm::Requantize32 gemm_requant_info{};
+ if(os_info.gemmlowp_shifts.size() > 1)
+ {
+ const auto requantize_data = fallback->set_requantize_data(os_info.gemmlowp_shifts, os_info.gemmlowp_multipliers);
+ gemm_requant_info = arm_gemm::Requantize32(nullptr, 0,
+ a_offset, b_offset, os_info.gemmlowp_offset,
+ (std::get<0>(requantize_data)) ? std::get<1>(requantize_data) : nullptr,
+ std::get<2>(requantize_data),
+ std::get<3>(requantize_data),
+ os_info.gemmlowp_min_bound, os_info.gemmlowp_max_bound);
+ }
+ else
+ {
+ gemm_requant_info = arm_gemm::Requantize32(nullptr, 0,
+ a_offset, b_offset, os_info.gemmlowp_offset,
+ -os_info.gemmlowp_shift, os_info.gemmlowp_multiplier,
+ os_info.gemmlowp_min_bound, os_info.gemmlowp_max_bound);
+ }
+
+ // Configure fallback
+ fallback->configure(a, b, c, d, args, info, memory_group, weights_manager, gemm_requant_info);
+ arm_gemm = std::move(fallback);
+}
+
+} //namespace
+
+CpuGemmAssemblyDispatch::CpuGemmAssemblyDispatch(std::shared_ptr<IMemoryManager> memory_manager, IWeightsManager *weights_manager)
+ : _arm_gemm(nullptr), _memory_group(std::move(memory_manager)), _weights_manager(weights_manager)
+{
+}
+
+Status CpuGemmAssemblyDispatch::validate(const ITensorInfo *a, const ITensorInfo *b, const ITensorInfo *c, const ITensorInfo *d, const AsmGemmInfo &info)
+{
+ ARM_COMPUTE_UNUSED(c, info);
+ ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(a, b, d);
+ ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(a);
+ ARM_COMPUTE_RETURN_ERROR_ON_CPU_BF16_UNSUPPORTED(a);
+
+#ifndef __aarch64__
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(a->element_size() == 1, "8bit integer types only supported for aarch64");
+#endif /* __aarch64__ */
+ ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(a, 1, DataType::U8, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::S8,
+ DataType::BFLOAT16, DataType::F16, DataType::F32);
+ ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(b, 1, DataType::U8, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::QSYMM8_PER_CHANNEL, DataType::S8,
+ DataType::BFLOAT16, DataType::F16, DataType::F32);
+ if(is_data_type_quantized_per_channel(b->data_type()))
+ {
+ ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(a, 1, DataType::QASYMM8_SIGNED, DataType::S8);
+ }
+ else
+ {
+ ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(a, b);
+ }
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(a->data_type() == DataType::F32 && d->data_type() != DataType::F32, "Only F32 output supported for F32 input");
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(a->data_type() == DataType::F16 && d->data_type() != DataType::F16, "Only F16 output supported for F16 input");
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(a->data_type() == DataType::BFLOAT16 && d->data_type() != DataType::F32, "Only F32 output supported for BFLOAT16 input");
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(a->data_type() == DataType::U8 && d->data_type() != DataType::U32, "Only U32 output supported for U8 input");
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(a->data_type() == DataType::S8 && d->data_type() != DataType::S32, "Only S32 output supported for S8 input");
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(a->data_type() == DataType::QASYMM8 && d->data_type() != DataType::QASYMM8, "Only QASYMM8 output supported for QASYMM8 input");
+ return Status{};
+}
+
+bool CpuGemmAssemblyDispatch::is_activation_supported(const ActivationLayerInfo &activation)
+{
+ arm_gemm::Activation act = map_to_arm_gemm_activation(activation);
+ return act.type != arm_gemm::Activation::Type::None;
+}
+
+void CpuGemmAssemblyDispatch::configure(const ITensor *a, const ITensor *b, const ITensor *c, ITensor *d, const AsmGemmInfo &info)
+{
+ ARM_COMPUTE_ERROR_ON_NULLPTR(a, b, d);
+ arm_gemm::Activation act = map_to_arm_gemm_activation(info.activation_info);
+
+ //If we don't support a combination of data types, silently return: it is the caller's responsibility to check if configure() was successful via is_configured()
+ if(!CpuGemmAssemblyDispatch::validate(a->info(), b->info(), c != nullptr ? c->info() : nullptr, d->info(), info))
+ {
+ return;
+ }
+
+ switch(a->info()->data_type())
+ {
+ case DataType::F32:
+ create_arm_gemm<float, float>(_arm_gemm, _memory_group, a, b, c, d, act, info, _weights_manager);
+ break;
+#ifdef __aarch64__
+ case DataType::U8:
+ case DataType::QASYMM8:
+ if(d->info()->data_type() == DataType::S32)
+ {
+ create_arm_gemm<uint8_t, uint32_t>(_arm_gemm, _memory_group, a, b, c, d, act, info, _weights_manager);
+ }
+ else
+ {
+ create_arm_gemm_quant<uint8_t, uint8_t>(_arm_gemm, _memory_group, a, b, c, d, act, info, _weights_manager);
+ }
+ break;
+ case DataType::S8:
+ case DataType::QASYMM8_SIGNED:
+ if(d->info()->data_type() == DataType::S32)
+ {
+ create_arm_gemm<int8_t, int32_t>(_arm_gemm, _memory_group, a, b, c, d, act, info, _weights_manager);
+ }
+ else
+ {
+ create_arm_gemm_quant<int8_t, int8_t>(_arm_gemm, _memory_group, a, b, c, d, act, info, _weights_manager);
+ }
+ break;
+#endif /* __aarch64__ */
+#if defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_BF16)
+ case DataType::BFLOAT16:
+ create_arm_gemm<bfloat16, float>(_arm_gemm, _memory_group, a, b, c, d, act, info, _weights_manager);
+ break;
+#endif /* defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_BF16) */
+#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+ case DataType::F16:
+ create_arm_gemm<float16_t, float16_t>(_arm_gemm, _memory_group, a, b, c, d, act, info, _weights_manager);
+ break;
+#endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
+ default:
+ break;
+ }
+}
+
+void CpuGemmAssemblyDispatch::prepare()
+{
+ ARM_COMPUTE_ERROR_ON(_arm_gemm == nullptr);
+ _arm_gemm->prepare();
+}
+
+bool CpuGemmAssemblyDispatch::is_configured() const
+{
+ return _arm_gemm != nullptr && _arm_gemm->is_configured();
+}
+
+void CpuGemmAssemblyDispatch::run()
+{
+ MemoryGroupResourceScope scope_mg(_memory_group);
+
+ ARM_COMPUTE_ERROR_ON(_arm_gemm == nullptr);
+ _arm_gemm->run();
+}
+} // namespace cpu
+} // namespace arm_compute