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ceres-solver/internal/ceres/small_blas_gemm_benchmark.cc
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Ahmed Taei aefd37b182 Refactor small_blas_gemm_benchmark
This allows benchmarking both dynamic and static problem sizes.

On my X86 2Ghz machine:

CPU Caches:
  L1 Data 32 KiB (x48)
  L1 Instruction 32 KiB (x48)
  L2 Unified 1024 KiB (x48)
  L3 Unified 39424 KiB (x2)

----------------------------------------------------------------------------------------------
Benchmark                                                    Time             CPU   Iterations
----------------------------------------------------------------------------------------------
BM_MatrixMatrixMultiplyEigen_Static_2x3x4                 10.9 ns         10.9 ns     63960496
BM_MatrixMatrixMultiplyEigen_Static_3x3x3                 11.9 ns         11.9 ns     58093785
BM_MatrixMatrixMultiplyEigen_Static_4x4x4                 24.9 ns         24.9 ns     28540133
BM_MatrixMatrixMultiplyEigen_Static_8x8x8                  258 ns          258 ns      2755921
BM_MatrixMatrixMultiplyEigen_Static_9x9x3                  255 ns          255 ns      2778628
BM_MatrixMatrixMultiplyEigen_Static_9x3x3                 37.7 ns         37.7 ns     18556359
BM_MatrixMatrixMultiplyEigen_Static_3x9x9                  220 ns          220 ns      3195163
BM_MatrixMatrixMultiplyEigen_Dynamic_2x3x4                37.8 ns         37.7 ns     18491162
BM_MatrixMatrixMultiplyEigen_Dynamic_3x3x3                48.8 ns         48.8 ns     13724884
BM_MatrixMatrixMultiplyEigen_Dynamic_4x4x4                74.5 ns         74.5 ns      9313146
BM_MatrixMatrixMultiplyEigen_Dynamic_8x8x8                 271 ns          271 ns      2595807
BM_MatrixMatrixMultiplyEigen_Dynamic_9x9x3                 259 ns          259 ns      2688515
BM_MatrixMatrixMultiplyEigen_Dynamic_9x3x3                 123 ns          123 ns      5792115
BM_MatrixMatrixMultiplyEigen_Dynamic_3x9x9                 236 ns          236 ns      2963896
BM_MatrixMatrixMultiplyNaive_Static_2x3x4                 12.2 ns         12.2 ns     56472772
BM_MatrixMatrixMultiplyNaive_Static_3x3x3                 15.5 ns         15.5 ns     44346456
BM_MatrixMatrixMultiplyNaive_Static_4x4x4                 41.5 ns         41.5 ns     17196984
BM_MatrixMatrixMultiplyNaive_Static_8x8x8                  199 ns          199 ns      3561730
BM_MatrixMatrixMultiplyNaive_Static_9x9x3                  148 ns          148 ns      4764814
BM_MatrixMatrixMultiplyNaive_Static_9x3x3                 38.4 ns         38.4 ns     17259019
BM_MatrixMatrixMultiplyNaive_Static_3x9x9                  115 ns          115 ns      6104752
BM_MatrixMatrixMultiplyNaive_Dynamic_2x3x4                9.66 ns         9.66 ns     74722971
BM_MatrixMatrixMultiplyNaive_Dynamic_3x3x3                13.0 ns         13.0 ns     53435308
BM_MatrixMatrixMultiplyNaive_Dynamic_4x4x4                47.8 ns         47.8 ns     14358184
BM_MatrixMatrixMultiplyNaive_Dynamic_8x8x8                 200 ns          200 ns      3572809
BM_MatrixMatrixMultiplyNaive_Dynamic_9x9x3                 104 ns          104 ns      6793797
BM_MatrixMatrixMultiplyNaive_Dynamic_9x3x3                34.0 ns         34.0 ns     20790695
BM_MatrixMatrixMultiplyNaive_Dynamic_3x9x9                 130 ns          130 ns      5170402
BM_MatrixTransposeMatrixMultiplyEigen_Static_2x3x4        10.3 ns         10.3 ns     69105234
BM_MatrixTransposeMatrixMultiplyEigen_Static_3x3x3        28.9 ns         28.9 ns     24478934
BM_MatrixTransposeMatrixMultiplyEigen_Static_4x4x4        23.7 ns         23.7 ns     29351926
BM_MatrixTransposeMatrixMultiplyEigen_Static_8x8x8         233 ns          233 ns      2929398
BM_MatrixTransposeMatrixMultiplyEigen_Static_9x9x3         211 ns          211 ns      3287409
BM_MatrixTransposeMatrixMultiplyEigen_Static_9x3x3        26.5 ns         26.5 ns     26515136
BM_MatrixTransposeMatrixMultiplyEigen_Static_3x9x9         196 ns          196 ns      3594314
BM_MatrixTransposeMatrixMultiplyEigen_Dynamic_2x3x4       9.05 ns         9.05 ns     77621001
BM_MatrixTransposeMatrixMultiplyEigen_Dynamic_3x3x3       11.1 ns         11.1 ns     62227812
BM_MatrixTransposeMatrixMultiplyEigen_Dynamic_4x4x4       25.5 ns         25.5 ns     27356089
BM_MatrixTransposeMatrixMultiplyEigen_Dynamic_8x8x8        248 ns          248 ns      2834983
BM_MatrixTransposeMatrixMultiplyEigen_Dynamic_9x9x3        229 ns          229 ns      3082369
BM_MatrixTransposeMatrixMultiplyEigen_Dynamic_9x3x3       28.4 ns         28.4 ns     24318629
BM_MatrixTransposeMatrixMultiplyEigen_Dynamic_3x9x9        229 ns          229 ns      3091288
BM_MatrixTransposeMatrixMultiplyNaive_Static_2x3x4        11.0 ns         11.0 ns     63773538
BM_MatrixTransposeMatrixMultiplyNaive_Static_3x3x3        19.1 ns         19.1 ns     37003139
BM_MatrixTransposeMatrixMultiplyNaive_Static_4x4x4        49.1 ns         49.1 ns     14142301
BM_MatrixTransposeMatrixMultiplyNaive_Static_8x8x8         244 ns          244 ns      2874755
BM_MatrixTransposeMatrixMultiplyNaive_Static_9x9x3         140 ns          140 ns      4992156
BM_MatrixTransposeMatrixMultiplyNaive_Static_9x3x3        46.2 ns         46.2 ns     15068317
BM_MatrixTransposeMatrixMultiplyNaive_Static_3x9x9         112 ns          112 ns      6213574
BM_MatrixTransposeMatrixMultiplyNaive_Dynamic_2x3x4       9.74 ns         9.74 ns     72155001
BM_MatrixTransposeMatrixMultiplyNaive_Dynamic_3x3x3       11.5 ns         11.5 ns     60070577
BM_MatrixTransposeMatrixMultiplyNaive_Dynamic_4x4x4       52.5 ns         52.5 ns     13473642
BM_MatrixTransposeMatrixMultiplyNaive_Dynamic_8x8x8        224 ns          224 ns      3124264
BM_MatrixTransposeMatrixMultiplyNaive_Dynamic_9x9x3       98.0 ns         98.0 ns      7199292
BM_MatrixTransposeMatrixMultiplyNaive_Dynamic_9x3x3       34.7 ns         34.6 ns     20203685
BM_MatrixTransposeMatrixMultiplyNaive_Dynamic_3x9x9        105 ns          105 ns      6653151

Change-Id: Iee403b4d27801d1614ecc1f78a1f8c0011514bd7
2021-08-09 21:24:17 -07:00

204 lines
10 KiB
C++

// Ceres Solver - A fast non-linear least squares minimizer
// Copyright 2018 Google Inc. All rights reserved.
// http://ceres-solver.org/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of Google Inc. nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Authors: sameeragarwal@google.com (Sameer Agarwal)
#include <iostream>
#include "Eigen/Dense"
#include "benchmark/benchmark.h"
#include "ceres/small_blas.h"
namespace ceres {
namespace internal {
// Benchmarking matrix-matrix multiply routines and optimizing memory
// access requires that we make sure that they are not just sitting in
// the cache. So, as the benchmarking routine iterates, we need to
// multiply new/different matrice. Allocating/creating these objects
// in the benchmarking loop is too heavy duty, so we create them
// before hand and cycle through them in the benchmark. This class,
// given the size of the matrices creates such objects for use in the
// benchmark.
class MatrixMatrixMultiplyData {
public:
MatrixMatrixMultiplyData(int a_rows, int a_cols, int b_rows, int b_cols,
int c_rows, int c_cols)
: num_elements_(1000),
a_size_(num_elements_ * a_rows * a_cols),
b_size_(b_rows * b_cols),
c_size_(c_rows * c_cols),
a_(num_elements_ * a_size_, 1.00001),
b_(num_elements_ * b_size_, 0.5),
c_(num_elements_ * c_size_, -1.1) {}
int num_elements() const { return num_elements_; }
double* GetA(int i) { return &a_[i * a_size_]; }
double* GetB(int i) { return &b_[i * b_size_]; }
double* GetC(int i) { return &c_[i * c_size_]; }
private:
int num_elements_;
int a_size_;
int b_size_;
int c_size_;
std::vector<double> a_;
std::vector<double> b_;
std::vector<double> c_;
};
#define GEMM_KIND_EQ 0
#define GEMM_KIND_ADD 1
#define GEMM_KIND_SUB -1
#define BENCHMARK_MM_FN(FN, M, N, K, NAME, MT, NT, KT) \
void static BM_##FN##_##NAME##_##M##x##N##x##K(benchmark::State& state) { \
const int b_rows = M; \
const int b_cols = N; \
const int c_rows = b_cols; \
const int c_cols = K; \
const int a_rows = b_rows; \
const int a_cols = c_cols; \
MatrixMatrixMultiplyData data(a_rows, a_cols, b_rows, b_cols, c_rows, \
c_cols); \
const int num_elements = data.num_elements(); \
int iter = 0; \
for (auto _ : state) { \
FN<MT, KT, KT, NT, GEMM_KIND_ADD>( \
data.GetB(iter), b_rows, b_cols, data.GetC(iter), c_rows, c_cols, \
data.GetA(iter), 512, 512, a_rows, a_cols); \
iter = (iter + 1) % num_elements; \
} \
} \
BENCHMARK(BM_##FN##_##NAME##_##M##x##N##x##K);
#define BENCHMARK_STATIC_MM_FN(FN, M, N, K) \
BENCHMARK_MM_FN(FN, M, N, K, Static, M, N, K)
#define BENCHMARK_DYNAMIC_MM_FN(FN, M, N, K) \
BENCHMARK_MM_FN(FN, M, N, K, Dynamic, Eigen::Dynamic, Eigen::Dynamic, \
Eigen::Dynamic)
#define BENCHMARK_MTM_FN(FN, M, N, K, NAME, MT, NT, KT) \
void static BM_##FN##_##NAME##_##M##x##N##x##K(benchmark::State& state) { \
const int b_rows = M; \
const int b_cols = N; \
const int c_rows = b_rows; \
const int c_cols = K; \
const int a_rows = b_cols; \
const int a_cols = c_cols; \
MatrixMatrixMultiplyData data(a_rows, a_cols, b_rows, b_cols, c_rows, \
c_cols); \
const int num_elements = data.num_elements(); \
int iter = 0; \
for (auto _ : state) { \
FN<KT, MT, KT, NT, GEMM_KIND_ADD>( \
data.GetB(iter), b_rows, b_cols, data.GetC(iter), c_rows, c_cols, \
data.GetA(iter), 0, 0, a_rows, a_cols); \
iter = (iter + 1) % num_elements; \
} \
} \
BENCHMARK(BM_##FN##_##NAME##_##M##x##N##x##K);
#define BENCHMARK_STATIC_MMT_FN(FN, M, N, K) \
BENCHMARK_MTM_FN(FN, M, N, K, Static, M, N, K)
#define BENCHMARK_DYNAMIC_MMT_FN(FN, M, N, K) \
BENCHMARK_MTM_FN(FN, M, N, K, Dynamic, Eigen::Dynamic, Eigen::Dynamic, \
Eigen::Dynamic)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyEigen, 2, 3, 4)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyEigen, 3, 3, 3)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyEigen, 4, 4, 4)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyEigen, 8, 8, 8)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyEigen, 9, 9, 3)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyEigen, 9, 3, 3)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyEigen, 3, 9, 9)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyEigen, 2, 3, 4)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyEigen, 3, 3, 3)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyEigen, 4, 4, 4)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyEigen, 8, 8, 8)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyEigen, 9, 9, 3)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyEigen, 9, 3, 3)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyEigen, 3, 9, 9)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyNaive, 2, 3, 4)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyNaive, 3, 3, 3)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyNaive, 4, 4, 4)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyNaive, 8, 8, 8)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyNaive, 9, 9, 3)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyNaive, 9, 3, 3)
BENCHMARK_STATIC_MM_FN(MatrixMatrixMultiplyNaive, 3, 9, 9)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyNaive, 2, 3, 4)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyNaive, 3, 3, 3)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyNaive, 4, 4, 4)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyNaive, 8, 8, 8)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyNaive, 9, 9, 3)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyNaive, 9, 3, 3)
BENCHMARK_DYNAMIC_MM_FN(MatrixMatrixMultiplyNaive, 3, 9, 9)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 2, 3, 4)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 3, 3, 3)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 4, 4, 4)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 8, 8, 8)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 9, 9, 3)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 9, 3, 3)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 3, 9, 9)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 2, 3, 4)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 3, 3, 3)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 4, 4, 4)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 8, 8, 8)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 9, 9, 3)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 9, 3, 3)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyEigen, 3, 9, 9)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 2, 3, 4)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 3, 3, 3)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 4, 4, 4)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 8, 8, 8)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 9, 9, 3)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 9, 3, 3)
BENCHMARK_STATIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 3, 9, 9)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 2, 3, 4)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 3, 3, 3)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 4, 4, 4)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 8, 8, 8)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 9, 9, 3)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 9, 3, 3)
BENCHMARK_DYNAMIC_MMT_FN(MatrixTransposeMatrixMultiplyNaive, 3, 9, 9)
#undef GEMM_KIND_EQ
#undef GEMM_KIND_ADD
#undef GEMM_KIND_SUB
#undef BENCHMARK_MM_FN
#undef BENCHMARK_STATIC_MM_FN
#undef BENCHMARK_DYNAMIC_MM_FN
#undef BENCHMARK_MTM_FN
#undef BENCHMARK_DYNAMIC_MMT_FN
#undef BENCHMARK_STATIC_MMT_FN
} // namespace internal
} // namespace ceres
BENCHMARK_MAIN();