270 lines
8.3 KiB
C++
270 lines
8.3 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2017 - 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************************************/
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/* \file
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\brief Defines a math function
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*/
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#pragma once
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#include <vector>
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#include <string>
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#include <memory>
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#include <algorithm>
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#include <unordered_map>
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// CUTLASS Library includes
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#include "cutlass/library/library.h"
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#include "cutlass/library/util.h"
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#include "cutlass/library/manifest.h"
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// Profiler includes
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#include "options.h"
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#include "device_context.h"
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#include "operation_profiler.h"
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#include "performance_result.h"
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#include "problem_space.h"
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#include "reduction_operation_profiler.h"
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/////////////////////////////////////////////////////////////////////////////////////////////////
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namespace cutlass {
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namespace profiler {
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/////////////////////////////////////////////////////////////////////////////////////////////////
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/// Abstract base class for each math function
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class GemmOperationProfiler : public OperationProfiler {
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public:
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/// Problem structure obtained from problem space
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struct GemmProblem {
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cutlass::library::GemmUniversalMode mode;
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cutlass::library::SplitKMode split_k_mode;
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int64_t m;
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int64_t n;
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int64_t k;
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int64_t lda;
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int64_t ldb;
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int64_t ldc;
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std::vector<uint8_t> alpha;
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std::vector<uint8_t> beta;
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int split_k_slices;
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int batch_count;
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// gemm with parallel interleaved reduction
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// gemm epilogue (alpha, beta) = (1.0, 0.0)
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// reduction epilogue (alpha, beta) = (GemmProblem::alpha, GemmProblem::beta)
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std::vector<uint8_t> alpha_one;
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std::vector<uint8_t> beta_zero;
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//
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// Methods
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//
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GemmProblem():
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mode(library::GemmUniversalMode::kGemm),
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m(16), n(16), k(16), lda(0), ldb(0), ldc(0), split_k_slices(1), batch_count(1) { }
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/// Parses the problem
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Status parse(
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library::GemmDescription const &operation_desc,
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ProblemSpace const &problem_space,
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ProblemSpace::Problem const &problem);
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/// Total number of bytes loaded
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int64_t bytes(library::GemmDescription const &operation_desc) const;
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/// Total number of flops computed
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int64_t flops(library::GemmDescription const &operation_desc) const;
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/// Initializes a performance result
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void initialize_result(
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PerformanceResult &result,
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library::GemmDescription const &operation_desc,
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ProblemSpace const &problem_space);
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};
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/// Workspace used
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struct GemmWorkspace {
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DeviceAllocation *A;
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DeviceAllocation *B;
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DeviceAllocation *C;
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DeviceAllocation *Computed;
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DeviceAllocation *Reference;
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/// Number of copies of the problem workspace which are visited sequentially during
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/// profiling to avoid camping in the last level cache.
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int problem_count;
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library::GemmUniversalConfiguration configuration;
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library::GemmUniversalArguments arguments;
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/// Buffer used for the operation's host workspace
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std::vector<uint8_t> host_workspace;
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/// Buffer used for the operations' device workspace
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DeviceAllocation device_workspace;
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/// Library configuration and arguments for reduction operator
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library::ReductionConfiguration reduction_configuration;
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library::ReductionArguments reduction_arguments;
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/// Buffer used for the cutlass reduction operations' host workspace
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std::vector<uint8_t> reduction_host_workspace;
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//
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// Methods
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//
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GemmWorkspace():
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A(nullptr), B(nullptr), C(nullptr), Computed(nullptr), Reference(nullptr), problem_count(1) { }
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};
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protected:
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//
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// Data members
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//
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/// GEMM problem obtained from problem space
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GemmProblem problem_;
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/// Device memory allocations
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GemmWorkspace gemm_workspace_;
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/// CUTLASS parallel reduction operation to follow this* gemm operation
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library::Operation const *reduction_op_;
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public:
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//
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// Methods
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//
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/// Ctor
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GemmOperationProfiler(Options const &options);
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/// Destructor
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virtual ~GemmOperationProfiler();
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/// Prints usage statement for the math function
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virtual void print_usage(std::ostream &out) const;
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/// Prints examples
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virtual void print_examples(std::ostream &out) const;
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/// Extracts the problem dimensions
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virtual Status initialize_configuration(
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Options const &options,
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PerformanceReport &report,
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DeviceContext &device_context,
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library::Operation const *operation,
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ProblemSpace const &problem_space,
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ProblemSpace::Problem const &problem);
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/// Initializes workspace
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virtual Status initialize_workspace(
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Options const &options,
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PerformanceReport &report,
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DeviceContext &device_context,
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library::Operation const *operation,
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ProblemSpace const &problem_space,
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ProblemSpace::Problem const &problem);
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/// Verifies CUTLASS against references
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virtual bool verify_cutlass(
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Options const &options,
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PerformanceReport &report,
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DeviceContext &device_context,
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library::Operation const *operation,
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ProblemSpace const &problem_space,
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ProblemSpace::Problem const &problem);
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/// Measures performance results
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virtual bool profile(
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Options const &options,
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PerformanceReport &report,
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DeviceContext &device_context,
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library::Operation const *operation,
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ProblemSpace const &problem_space,
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ProblemSpace::Problem const &problem);
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protected:
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/// Initializes the performance result
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void initialize_result_(
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PerformanceResult &result,
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Options const &options,
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library::GemmDescription const &operation_desc,
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ProblemSpace const &problem_space);
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/// Verifies CUTLASS against references
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bool verify_with_cublas_(
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Options const &options,
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PerformanceReport &report,
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DeviceContext &device_context,
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library::Operation const *operation,
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ProblemSpace const &problem_space,
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ProblemSpace::Problem const &problem);
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/// Verifies CUTLASS against host and device references
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bool verify_with_reference_(
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Options const &options,
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PerformanceReport &report,
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DeviceContext &device_context,
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library::Operation const *operation,
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ProblemSpace const &problem_space,
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ProblemSpace::Problem const &problem);
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/// Method to profile a CUTLASS Operation
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Status profile_cutlass_(
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double &runtime,
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Options const &options,
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library::Operation const *operation,
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void *arguments,
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void *host_workspace,
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void *device_workspace);
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/// Initialize reduction problem dimensions and library::Operation
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bool initialize_reduction_configuration_(
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library::Operation const *operation,
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ProblemSpace::Problem const &problem);
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};
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/////////////////////////////////////////////////////////////////////////////////////////////////
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} // namespace profiler
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} // namespace cutlass
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/////////////////////////////////////////////////////////////////////////////////////////////////
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