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benchmarks

README.md

Some HElib benchmarks

Prerequisites

Build and install HElib

Build and install HElib as described in INSTALL.md.

Build and install google benchmark

Download the library https://github.com/google/benchmark from github, build and then install it. We tested with Google Benchmark v1.5.6

git clone https://github.com/google/benchmark.git -b v1.5.6
cd benchmark
mkdir build
cd build
cmake -DBENCHMARK_ENABLE_GTEST_TESTS=OFF -DBENCHMARK_ENABLE_INSTALL=ON -DCMAKE_INSTALL_PREFIX=<installation dir> ..
make
make install

Build benchmark

Benchmarks are found in HElib/benchmarks and are grouped by themes; the file names reflect the themes they belong to. By default, the benchmarks are built as separate executables. If you prefer to build a single executable then set the -DSINGLE_EXEC=ON. Compiled tests appear in the bin directory. Now build the project.

cd HElib/benchmarks
mkdir build
cd build
cmake -Dhelib_DIR=<helib installation dir>/share/cmake/helib -Dbenchmark_DIR=<benchmark installation dir>/lib/cmake/benchmark/ ..
make

When writing benchmarks please use BENCHMARK_CAPTURE(<custom params>) for custom parameters and do not forget to add the new target to CMakeLists.txt. Use the extra option BENCHMARK_CAPTURE()->Iterations(<iterations>) for a specific number of iterations or BENCHMARK_CAPTURE()->MinTime(<time in seconds>) to set a minimum time for the benchmark to run for.

NOTE: Both Iterations and MinTime cannot be used together.

Run benchmark

To execute individual tests run the following

./bin/<benchmark to run>

If you have compiled the tests as a single executable using the -DSINGLE_EXEC=ON flag, you can execute the tests by running the following

./bin/helib_benchmark