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bench.cpp
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bench.cpp
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
#include "seal/seal.h"
#include "bench.h"
#include <iomanip>
using namespace benchmark;
using namespace seal;
using namespace sealbench;
using namespace std;
namespace sealbench
{
/**
Wraps benchmark::RegisterBenchmark to use microsecond and accepts std::string name.
Each benchmark runs for 10 rather than a dynamically chosen amount of iterations.
If more runs are needed for more accurate measurements, either remove line 26, or run benchmarks in repetition.
*/
#define SEAL_BENCHMARK_REGISTER(category, n, log_q, name, func, ...) \
RegisterBenchmark( \
(string("n=") + to_string(n) + string(" / log(q)=") + to_string(log_q) + string(" / " #category " / " #name)) \
.c_str(), \
[=](State &st) { func(st, __VA_ARGS__); }) \
->Unit(benchmark::kMicrosecond) \
->Iterations(10);
void register_bm_family(
const pair<size_t, vector<Modulus>> &parms, unordered_map<EncryptionParameters, shared_ptr<BMEnv>> &bm_env_map)
{
// For BFV benchmark cases (default to 20-bit plain_modulus)
EncryptionParameters parms_bfv(scheme_type::bfv);
parms_bfv.set_poly_modulus_degree(parms.first);
parms_bfv.set_coeff_modulus(parms.second);
parms_bfv.set_plain_modulus(PlainModulus::Batching(parms.first, 20));
shared_ptr<BMEnv> bm_env_bfv = bm_env_map.find(parms_bfv)->second;
// For CKKS / KeyGen / Util benchmark cases
EncryptionParameters parms_ckks(scheme_type::ckks);
parms_ckks.set_poly_modulus_degree(parms.first);
parms_ckks.set_coeff_modulus(parms.second);
shared_ptr<BMEnv> bm_env_ckks = bm_env_map.find(parms_ckks)->second;
// Registration / display order:
// 1. KeyGen
// 2. BFV
// 3. CKKS
// 4. Util
int n = static_cast<int>(parms.first);
int log_q = static_cast<int>(
bm_env_map.find(parms_ckks)->second->context().key_context_data()->total_coeff_modulus_bit_count());
SEAL_BENCHMARK_REGISTER(KeyGen, n, log_q, Secret, bm_keygen_secret, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(KeyGen, n, log_q, Public, bm_keygen_public, bm_env_ckks);
if (bm_env_bfv->context().using_keyswitching())
{
SEAL_BENCHMARK_REGISTER(KeyGen, n, log_q, Relin, bm_keygen_relin, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(KeyGen, n, log_q, Galois, bm_keygen_galois, bm_env_ckks);
}
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EncryptSecret, bm_bfv_encrypt_secret, bm_env_bfv);
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EncryptPublic, bm_bfv_encrypt_public, bm_env_bfv);
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, Decrypt, bm_bfv_decrypt, bm_env_bfv);
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EncodeBatch, bm_bfv_encode_batch, bm_env_bfv);
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, DecodeBatch, bm_bfv_decode_batch, bm_env_bfv);
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EvaluateAddCt, bm_bfv_add_ct, bm_env_bfv);
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EvaluateAddPt, bm_bfv_add_pt, bm_env_bfv);
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EvaluateMulCt, bm_bfv_mul_ct, bm_env_bfv);
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EvaluateMulPt, bm_bfv_mul_pt, bm_env_bfv);
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EvaluateSquare, bm_bfv_square, bm_env_bfv);
if (bm_env_bfv->context().first_context_data()->parms().coeff_modulus().size() > 1)
{
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EvaluateModSwitchInplace, bm_bfv_modswitch_inplace, bm_env_bfv);
}
if (bm_env_bfv->context().using_keyswitching())
{
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EvaluateRelinInplace, bm_bfv_relin_inplace, bm_env_bfv);
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EvaluateRotateRows, bm_bfv_rotate_rows, bm_env_bfv);
SEAL_BENCHMARK_REGISTER(BFV, n, log_q, EvaluateRotateCols, bm_bfv_rotate_cols, bm_env_bfv);
}
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, EncryptSecret, bm_ckks_encrypt_secret, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, EncryptPublic, bm_ckks_encrypt_public, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, Decrypt, bm_ckks_decrypt, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, EncodeDouble, bm_ckks_encode_double, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, DecodeDouble, bm_ckks_decode_double, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, EvaluateAddCt, bm_ckks_add_ct, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, EvaluateAddPt, bm_ckks_add_pt, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, EvaluateMulCt, bm_ckks_mul_ct, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, EvaluateMulPt, bm_ckks_mul_pt, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, EvaluateSquare, bm_ckks_square, bm_env_ckks);
if (bm_env_bfv->context().first_context_data()->parms().coeff_modulus().size() > 1)
{
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, EvaluateRescaleInplace, bm_ckks_rescale_inplace, bm_env_ckks);
}
if (bm_env_bfv->context().using_keyswitching())
{
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, EvaluateRelinInplace, bm_ckks_relin_inplace, bm_env_ckks);
SEAL_BENCHMARK_REGISTER(CKKS, n, log_q, EvaluateRotate, bm_ckks_rotate, bm_env_ckks);
}
}
} // namespace sealbench
int main(int argc, char **argv)
{
Initialize(&argc, argv);
cout << "Microsoft SEAL version: " << SEAL_VERSION << endl;
cout << "Running precomputations ..." << endl;
vector<pair<size_t, vector<Modulus>>> bm_parms_vec;
unordered_map<EncryptionParameters, shared_ptr<BMEnv>> bm_env_map;
// Initialize bm_parms_vec with BFV default paramaters with 128-bit security.
// Advanced users may replace this section with custom parameters.
// SEAL benchmarks allow insecure parameters for experimental purposes.
// DO NOT USE SEAL BENCHMARKS AS EXAMPLES.
auto default_parms = seal::util::global_variables::GetDefaultCoeffModulus128();
for (auto &i : default_parms)
{
bm_parms_vec.emplace_back(i);
}
// Initialize bm_env_map with bm_parms_vec each of which creates two EncryptionParameters for BFV and CKKS.
for (auto &i : default_parms)
{
EncryptionParameters parms_ckks(scheme_type::ckks);
parms_ckks.set_poly_modulus_degree(i.first);
parms_ckks.set_coeff_modulus(i.second);
EncryptionParameters parms_bfv(scheme_type::bfv);
parms_bfv.set_poly_modulus_degree(i.first);
parms_bfv.set_coeff_modulus(i.second);
parms_bfv.set_plain_modulus(PlainModulus::Batching(i.first, 20));
if (bm_env_map.emplace(make_pair(parms_ckks, make_shared<BMEnv>(parms_ckks))).second == false)
{
throw invalid_argument("duplicate parameter sets");
}
if (bm_env_map.emplace(make_pair(parms_bfv, make_shared<BMEnv>(parms_bfv))).second == false)
{
throw invalid_argument("duplicate parameter sets");
}
}
// Now that precomputation have taken place, here is the total memory consumption by SEAL memory pool.
cout << "[" << setw(7) << right << (seal::MemoryManager::GetPool().alloc_byte_count() >> 20) << " MB] "
<< "Total allocation from the memory pool" << endl;
// For each parameter set in bm_parms_vec, register a family of benchmark cases.
for (auto &i : bm_parms_vec)
{
sealbench::register_bm_family(i, bm_env_map);
}
RunSpecifiedBenchmarks();
// After running all benchmark cases, we print again the total memory consumption by SEAL memory pool.
// This value should be larger than the previous amount but not by much.
cout << "[" << setw(7) << right << (seal::MemoryManager::GetPool().alloc_byte_count() >> 20) << " MB] "
<< "Total allocation from the memory pool" << endl;
}