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+/*
+ * Copyright (c) 2017-2019 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.
+ */
+#ifndef ARM_COMPUTE_CL /* Needed by Utils.cpp to handle OpenCL exceptions properly */
+#error "This example needs to be built with -DARM_COMPUTE_CL"
+#endif /* ARM_COMPUTE_CL */
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/utils/quantization/AsymmHelpers.h"
+#include "arm_compute/runtime/CL/CLFunctions.h"
+#include "arm_compute/runtime/CL/CLScheduler.h"
+
+#include "tests/AssetsLibrary.h"
+#include "tests/CL/CLAccessor.h"
+#include "tests/Globals.h"
+#include "tests/IAccessor.h"
+#include "tests/SimpleTensor.h"
+#include "tests/validation/Validation.h"
+#include "tests/validation/reference/GEMM.h"
+#include "tests/validation/reference/GEMMLowp.h"
+
+#include "utils/TypePrinter.h"
+#include "utils/Utils.h"
+#include "utils/command_line/CommandLineOptions.h"
+#include "utils/command_line/CommandLineParser.h"
+
+#include "ValidateExample.h"
+
+#include <cstdlib>
+
+using namespace arm_compute;
+using namespace utils;
+using namespace arm_compute::test;
+using namespace arm_compute::test::validation;
+
+constexpr float abs_tolerance_f32(0.0001f); /**< F32 Absolute tolerance value for comparing reference's output against implementation's output for
+ * floating point data types in case using relative tolerance fails because of small values */
+RelativeTolerance<float> tolerance_f32(0.001f); /**< F32 Tolerance value for comparing reference's output against implementation's output for floating point data types */
+RelativeTolerance<half_float::half> tolerance_f16(half(0.2)); /**< F16 Tolerance value for comparing reference's output against implementation's output for floating point data types */
+constexpr float tolerance_num_f16 = 0.02f; /**< F16 Tolerance number */
+
+namespace arm_compute
+{
+DataType data_type_from_name(const std::string &name)
+{
+ static const std::map<std::string, DataType> data_types =
+ {
+ { "f16", DataType::F16 },
+ { "f32", DataType::F32 },
+ { "qasymm8", DataType::QASYMM8 },
+ };
+
+#ifndef ARM_COMPUTE_EXCEPTIONS_DISABLED
+ try
+ {
+#endif /* ARM_COMPUTE_EXCEPTIONS_DISABLED */
+ return data_types.at(utility::tolower(name));
+
+#ifndef ARM_COMPUTE_EXCEPTIONS_DISABLED
+ }
+ catch(const std::out_of_range &)
+ {
+ throw std::invalid_argument(name);
+ }
+#endif /* ARM_COMPUTE_EXCEPTIONS_DISABLED */
+}
+
+inline ::std::istream &operator>>(::std::istream &stream, DataType &data_type)
+{
+ std::string value;
+ stream >> value;
+ data_type = data_type_from_name(value);
+ return stream;
+}
+} // namespace arm_compute
+namespace
+{
+class GEMMCommandLineOptions final
+{
+public:
+ explicit GEMMCommandLineOptions(CommandLineParser &parser) noexcept
+ : help(parser.add_option<ToggleOption>("help")),
+ add_bias(parser.add_option<ToggleOption>("add_bias")),
+ M(parser.add_option<SimpleOption<int>>("m", 7)),
+ N(parser.add_option<SimpleOption<int>>("n", 3)),
+ K(parser.add_option<SimpleOption<int>>("k", 5)),
+ B(parser.add_option<SimpleOption<int>>("b", 1)),
+ alpha(parser.add_option<SimpleOption<float>>("alpha", 1.f)),
+ beta(parser.add_option<SimpleOption<float>>("beta", 0.f)),
+ offset_src0(parser.add_option<SimpleOption<int>>("offset_i0", 10)),
+ offset_src1(parser.add_option<SimpleOption<int>>("offset_i1", 10)),
+ offset_dst(parser.add_option<SimpleOption<int>>("offset_o", 10)),
+ scale_src0(parser.add_option<SimpleOption<float>>("scale_i0", 1.f / 255)),
+ scale_src1(parser.add_option<SimpleOption<float>>("scale_i1", 1.f / 255)),
+ scale_dst(parser.add_option<SimpleOption<float>>("scale_o", 1.f / 255)),
+ data_type()
+ {
+ // Setup data type
+ const std::set<arm_compute::DataType> supported_data_types
+ {
+ DataType::F16,
+ DataType::F32,
+ DataType::QASYMM8,
+ };
+ data_type = parser.add_option<EnumOption<DataType>>("type", supported_data_types, DataType::F32);
+
+ // Setup help strings
+ help->set_help("Show this help message");
+ add_bias->set_help("Add bias to the GEMM. Used when running in QASYMM8");
+ M->set_help("M value");
+ N->set_help("N value");
+ K->set_help("K value");
+ B->set_help("B value - number of batches");
+ alpha->set_help("Alpha value");
+ beta->set_help("Beta value");
+ offset_src0->set_help("Offset of first input. Used when running in QASYMM8");
+ offset_src1->set_help("Offset of second input. Used when running in QASYMM8");
+ offset_dst->set_help("Offset of output. Used when running in QASYMM8");
+ scale_src0->set_help("Scale of first input. Used when running in QASYMM8");
+ scale_src1->set_help("Scale of second input. Used when running in QASYMM8");
+ scale_dst->set_help("Scale of output. Used when running in QASYMM8");
+ data_type->set_help("Data type to use");
+ }
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ GEMMCommandLineOptions(const GEMMCommandLineOptions &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ GEMMCommandLineOptions &operator=(const GEMMCommandLineOptions &) = delete;
+ /** Allow instances of this class to be moved */
+ GEMMCommandLineOptions(GEMMCommandLineOptions &&) noexcept(true) = default;
+ /** Allow instances of this class to be moved */
+ GEMMCommandLineOptions &operator=(GEMMCommandLineOptions &&) noexcept(true) = default;
+ /** Default destructor */
+ ~GEMMCommandLineOptions() = default;
+
+public:
+ ToggleOption *help;
+ ToggleOption *add_bias;
+ SimpleOption<int> *M;
+ SimpleOption<int> *N;
+ SimpleOption<int> *K;
+ SimpleOption<int> *B;
+ SimpleOption<float> *alpha;
+ SimpleOption<float> *beta;
+ SimpleOption<int> *offset_src0;
+ SimpleOption<int> *offset_src1;
+ SimpleOption<int> *offset_dst;
+ SimpleOption<float> *scale_src0;
+ SimpleOption<float> *scale_src1;
+ SimpleOption<float> *scale_dst;
+ EnumOption<arm_compute::DataType> *data_type;
+};
+} // namespace
+
+class CLGEMMValidateExample : public ValidateExample
+{
+public:
+ bool do_setup(int argc, char **argv) override
+ {
+ CLScheduler::get().default_init();
+
+ // Parse options
+ CommandLineParser parser;
+ GEMMCommandLineOptions gemm_options(parser);
+ parser.parse(argc, argv);
+
+ // Print help
+ const bool print_help = gemm_options.help->is_set() ? gemm_options.help->value() : false;
+ if(print_help)
+ {
+ parser.print_help(argv[0]);
+ return false;
+ }
+
+ // Consume parameters
+ consume_params(gemm_options);
+ print_parameters_internal();
+
+ const bool is_quantized = is_data_type_quantized(data_type);
+
+ // Calculate re-quantization parameters
+ if(is_quantized)
+ {
+ float multiplier = scale_src0 * scale_src1 / scale_dst;
+ quantization::calculate_quantized_multiplier(multiplier, &dst_multiplier, &dst_shift);
+ }
+
+ // Initialize GEMM inputs/outputs
+ src0.allocator()->init(TensorInfo(TensorShape(K, M, B), 1, data_type));
+ src1.allocator()->init(TensorInfo(TensorShape(N, K, B), 1, data_type));
+ src2.allocator()->init(TensorInfo(TensorShape(N, M, B), 1, data_type));
+ init_sgemm_output(dst, src0, src1, data_type);
+
+ // Configure function
+ if(is_quantized)
+ {
+ src0.info()->set_quantization_info(QuantizationInfo(scale_src0, offset_src0));
+ src1.info()->set_quantization_info(QuantizationInfo(scale_src1, offset_src1));
+ dst.info()->set_quantization_info(QuantizationInfo(scale_dst, offset_dst));
+ biases.allocator()->init(TensorInfo(TensorShape(N), 1, DataType::S32));
+ init_sgemm_output(tmp_dst, src0, src1, DataType::S32);
+
+ // Configure GEMMlowp matrix multiply function
+ mm_gemmlowp.configure(&src0, &src1, nullptr, &tmp_dst);
+
+ // Configure GEMMlowp output stage
+ mm_gemmlowp_output_stage.configure(&tmp_dst, add_bias ? &biases : nullptr, &dst, dst_multiplier, dst_shift, offset_dst);
+ tmp_dst.allocator()->allocate();
+ biases.allocator()->allocate();
+ fill(CLAccessor(biases), 3);
+ }
+ else
+ {
+ // Configure matrix multiply function
+ mm_gemm.configure(&src0, &src1, &src2, &dst, alpha, beta);
+ }
+
+ // Allocate all the tensors
+ src0.allocator()->allocate();
+ src1.allocator()->allocate();
+ dst.allocator()->allocate();
+ src2.allocator()->allocate();
+
+ fill(CLAccessor(src0), 0);
+ fill(CLAccessor(src1), 1);
+ fill(CLAccessor(src2), 2);
+
+ return true;
+ }
+
+ void print_parameters_internal()
+ {
+ std::cout << "Datatype : " << string_from_data_type(data_type) << "\n";
+ std::cout << "M : " << support::cpp11::to_string(M) << "\n";
+ std::cout << "N : " << support::cpp11::to_string(N) << "\n";
+ std::cout << "K : " << support::cpp11::to_string(K) << "\n";
+ std::cout << "B : " << support::cpp11::to_string(B) << "\n";
+ if(data_type == DataType::QASYMM8)
+ {
+ std::cout << "Scale_Src0 : " << support::cpp11::to_string(scale_src0) << "\n";
+ std::cout << "Offset_Src0 : " << support::cpp11::to_string(offset_src0) << "\n";
+ std::cout << "Scale_Scr1 : " << support::cpp11::to_string(scale_src1) << "\n";
+ std::cout << "Offset_Src1 : " << support::cpp11::to_string(offset_src1) << "\n";
+ std::cout << "Scale_Dst : " << support::cpp11::to_string(scale_dst) << "\n";
+ std::cout << "Offset_Dst : " << support::cpp11::to_string(offset_dst) << "\n";
+ std::cout << "Bias : " << support::cpp11::to_string(add_bias) << "\n";
+ }
+ else
+ {
+ std::cout << "Alpha : " << support::cpp11::to_string(alpha) << "\n";
+ std::cout << "Beta : " << support::cpp11::to_string(beta) << "\n";
+ }
+ }
+
+ void do_validate() override
+ {
+ switch(data_type)
+ {
+ case DataType::F16:
+ {
+ SimpleTensor<half> ref_src0 = { TensorShape(K, M, B), data_type, 1 };
+ SimpleTensor<half> ref_src1 = { TensorShape(N, K, B), data_type, 1 };
+ SimpleTensor<half> ref_src2 = { TensorShape(N, M, B), data_type, 1 };
+
+ fill(ref_src0, 0);
+ fill(ref_src1, 1);
+ fill(ref_src2, 2);
+
+ SimpleTensor<half> ref_dst = reference::gemm<half>(ref_src0, ref_src1, ref_src2, alpha, beta);
+ validate(CLAccessor(dst), ref_dst, tolerance_f16, tolerance_num_f16);
+ break;
+ }
+ case DataType::F32:
+ {
+ SimpleTensor<float> ref_src0 = { TensorShape(K, M, B), data_type, 1 };
+ SimpleTensor<float> ref_src1 = { TensorShape(N, K, B), data_type, 1 };
+ SimpleTensor<float> ref_src2 = { TensorShape(N, M, B), data_type, 1 };
+
+ fill(ref_src0, 0);
+ fill(ref_src1, 1);
+ fill(ref_src2, 2);
+
+ SimpleTensor<float> ref_dst = reference::gemm<float>(ref_src0, ref_src1, ref_src2, alpha, beta);
+ validate(CLAccessor(dst), ref_dst, tolerance_f32, 0.f, abs_tolerance_f32);
+ break;
+ }
+ case DataType::QASYMM8:
+ {
+ SimpleTensor<uint8_t> ref_src0{ TensorShape(K, M, B), data_type, 1 };
+ SimpleTensor<uint8_t> ref_src1{ TensorShape(N, K, B), data_type, 1 };
+ SimpleTensor<uint8_t> ref_dst;
+
+ // Fill reference
+ fill(ref_src0, 0);
+ fill(ref_src1, 1);
+
+ SimpleTensor<int32_t> ref_tmp_dst = reference::gemmlowp_matrix_multiply_core<int32_t, uint8_t>(ref_src0, ref_src1, TensorShape(N, M, B), offset_src0, offset_src1);
+
+ const std::vector<int32_t> dst_multiplier_vec = { dst_multiplier };
+ const std::vector<int32_t> dst_shift_vec = { dst_shift };
+
+ if(add_bias)
+ {
+ SimpleTensor<int32_t> biases{ TensorShape(N), DataType::S32, 1 };
+ // Fill bias
+ fill(biases, 3);
+ ref_dst = reference::gemmlowp_quantize_down_scale_by_fixedpoint<int32_t, uint8_t>(ref_tmp_dst, biases, dst_multiplier_vec, dst_shift_vec, offset_dst);
+ }
+ else
+ {
+ ref_dst = reference::gemmlowp_quantize_down_scale_by_fixedpoint<int32_t, uint8_t>(ref_tmp_dst, dst_multiplier_vec, dst_shift_vec, offset_dst);
+ }
+ validate(CLAccessor(dst), ref_dst);
+ break;
+ }
+ default:
+ break;
+ }
+ }
+ void do_run() override
+ {
+ // Execute the function
+ if(data_type == DataType::QASYMM8)
+ {
+ // Run gemmlowp
+ mm_gemmlowp.run();
+ // Run output stage
+ mm_gemmlowp_output_stage.run();
+ }
+ else
+ {
+ // Run gemm
+ mm_gemm.run();
+ }
+
+ // Make sure all the OpenCL jobs are done executing:
+ CLScheduler::get().sync();
+ }
+
+private:
+ template <typename U>
+ void fill(U &&tensor, int i)
+ {
+ switch(tensor.data_type())
+ {
+ case DataType::F16:
+ case DataType::F32:
+ {
+ std::uniform_real_distribution<> distribution(-1.0f, 1.0f);
+ library->fill(tensor, distribution, i);
+ break;
+ }
+ case DataType::S32:
+ case DataType::QASYMM8:
+ {
+ std::uniform_int_distribution<> distribution(-6000, 6000);
+ library->fill(tensor, distribution, i);
+ break;
+ }
+ default:
+ library->fill_tensor_uniform(tensor, i);
+ }
+ }
+
+ void consume_params(const GEMMCommandLineOptions &opts)
+ {
+ ARM_COMPUTE_ERROR_ON(opts.M->value() <= 0);
+ ARM_COMPUTE_ERROR_ON(opts.N->value() <= 0);
+ ARM_COMPUTE_ERROR_ON(opts.K->value() <= 0);
+ ARM_COMPUTE_ERROR_ON(opts.B->value() <= 0);
+ M = opts.M->value();
+ N = opts.N->value();
+ K = opts.K->value();
+ B = opts.B->value();
+ alpha = opts.alpha->value();
+ beta = opts.beta->value();
+ offset_src0 = opts.offset_src0->value();
+ offset_src1 = opts.offset_src1->value();
+ offset_dst = opts.offset_dst->value();
+ scale_src0 = opts.scale_src0->value();
+ scale_src1 = opts.scale_src1->value();
+ scale_dst = opts.scale_dst->value();
+ add_bias = opts.add_bias->is_set() ? opts.add_bias->value() : true;
+ data_type = opts.data_type->value();
+ }
+
+ CLTensor src0{}, src1{}, src2{}, dst{};
+ CLTensor tmp_dst{}, biases{};
+
+ CLGEMM mm_gemm{};
+ CLGEMMLowpMatrixMultiplyCore mm_gemmlowp{};
+ CLGEMMLowpQuantizeDownInt32ToUint8ScaleByFixedPoint mm_gemmlowp_output_stage{};
+
+ size_t M{ 7 }, N{ 3 }, K{ 5 }, B{ 1 };
+ DataType data_type{ DataType::F32 };
+ float alpha{ 1.0 }, beta{ 0.0 };
+ int offset_src0{ 10 }, offset_src1{ 10 }, offset_dst{ 10 };
+ float scale_src0{ 1.0f / 255 }, scale_src1{ 1.0f / 255 }, scale_dst{ 1.0f / 255 };
+ int32_t dst_multiplier{ 0 }, dst_shift{ 0 };
+ bool add_bias{ true };
+};
+
+/** Main program for gemm test
+ *
+ * @param[in] argc Number of arguments
+ * @param[in] argv Arguments
+ *
+ */
+int main(int argc, char **argv)
+{
+ return utils::run_example<CLGEMMValidateExample>(argc, argv);
+}