make bench_except
./scripts/flame.sh ./build/bench_except except_on_off_local
sudo perf report
./build/flat-double --benchmark_filter=flat/2m1a_m_local_check/4/4
./build/flat-double --benchmark_filter=flat/2m1a_m_check/4/4
feenableexcept has almost no overhead
./scripts/flame.sh ./build/flat-double "flat/fma_m_acurate/128/128"
./scripts/flame.sh ./build/flat-double "flat/fma_m/128/128"
int32 mat_fma_manual_half_width
make flat-int
./scripts/flame.sh ./build/flat-int "flat/fma_m_hw/128/128"
./scripts/flame.sh ./build/flat-int "flat/fma_m/128/128"
mat_fma_scalar_inacurate_check
make flat-int64
./scripts/flame.sh ./build/flat-int64 "flat/fma_s_acurate/4/4"
./setup.sh
./run-benchmark.sh
Intel Cannon Lake (2018)
Intel Ice Lake (2019)
Intel Tiger Lake (2020)
Intel Rocket Lake (2021)
Intel Alder Lake (2021)
AMD Zen 4 (2022)
Intel Sapphire Rapids (2023)
.
├── build
│ ├── flat
│ ├── flat-test
│ ├── vecvec
│ └── vecvec-test
├── doc
│ ├── 3428263.pdf
│ ├── 3485539.pdf
│ └── instruction_tables.pdf
├── fast-ap-integers.md
├── Makefile
├── Questions.md
├── README.md
├── scripts
│ ├── find-simd.sh
│ ├── get-ir.sh
│ ├── grep-avx.sh
│ ├── grep-sse.sh
│ ├── perfflame.sh
│ ├── plot_benchmark_result.py
│ ├── run-llvmmca.sh
│ └── setup.sh
├── src
│ ├── bench_mat
│ │ ├── flat.cpp
│ │ ├── mallocmalloc.cpp [deprecated]
│ │ └── vecvec.cpp
│ ├── bench_test
│ │ └── test.cpp
│ ├── bench_vec
│ │ └── bench_vector_add.cpp [deprecated]
│ └── utils
│ └── bench_utils.cpp
└── tests
└── fma_8_16_iter1
9 directories, 26 files
git checkout 3064fe5
make flat_int
./scripts/flame.sh ./build/flat_int flat/add/128/128 # about 1500 ns
./scripts/flame.sh ./build/flat_int flat/add_m/128/128 # 30000 ns, pure scalar
# goto src/bench_mat/flat-int.cpp, uncomnent for loop, delete vec_add_莎莎
make flat_int
./scripts/flame.sh ./build/flat_int flat/add/128/128 # about 15000 ns, no vectorized int add instruction issued