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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/utils/benchmark.h"
#include "td/utils/crypto.h"
#include "td/utils/int_types.h"
#include "td/utils/logging.h"
#include "td/utils/port/thread.h"
#include "td/utils/Random.h"
#include "td/utils/Slice.h"
#include <openssl/sha.h>
#include <array>
#include <atomic>
#include <cstdint>
#include <cstdlib>
#include <random>
#include <string>
#include <vector>
static constexpr int DATA_SIZE = 8 << 10;
class SHA1Bench : public td::Benchmark {
public:
alignas(64) unsigned char data[DATA_SIZE];
std::string get_description() const override {
return PSTRING() << "SHA1 OpenSSL [" << (DATA_SIZE >> 10) << "KB]";
}
void start_up() override {
for (int i = 0; i < DATA_SIZE; i++) {
data[i] = 123;
data[i] = 0;
}
}
void run(int n) override {
for (int i = 0; i < n; i++) {
unsigned char md[20];
SHA1(data, DATA_SIZE, md);
}
}
};
class AESBench : public td::Benchmark {
public:
alignas(64) unsigned char data[DATA_SIZE];
td::UInt256 key;
td::UInt256 iv;
std::string get_description() const override {
return PSTRING() << "AES OpenSSL [" << (DATA_SIZE >> 10) << "KB]";
}
void start_up() override {
for (int i = 0; i < DATA_SIZE; i++) {
data[i] = 123;
}
td::Random::secure_bytes(key.raw, sizeof(key));
td::Random::secure_bytes(iv.raw, sizeof(iv));
}
void run(int n) override {
td::MutableSlice data_slice(data, DATA_SIZE);
for (int i = 0; i < n; i++) {
td::aes_ige_encrypt(key, &iv, data_slice, data_slice);
}
}
};
BENCH(Rand, "std_rand") {
int res = 0;
for (int i = 0; i < n; i++) {
res ^= std::rand();
}
td::do_not_optimize_away(res);
}
BENCH(CppRand, "mt19937_rand") {
std::uint_fast32_t res = 0;
std::mt19937 g(123);
for (int i = 0; i < n; i++) {
res ^= g();
}
td::do_not_optimize_away(res);
}
BENCH(TdRand32, "td_rand_fast32") {
td::uint32 res = 0;
for (int i = 0; i < n; i++) {
res ^= td::Random::fast_uint32();
}
td::do_not_optimize_away(res);
}
BENCH(TdRandFast, "td_rand_fast") {
int res = 0;
for (int i = 0; i < n; i++) {
res ^= td::Random::fast(0, RAND_MAX);
}
td::do_not_optimize_away(res);
}
#if !TD_THREAD_UNSUPPORTED
BENCH(SslRand, "ssl_rand_int32") {
std::vector<td::thread> v;
std::atomic<td::uint32> sum;
for (int i = 0; i < 3; i++) {
v.push_back(td::thread([&] {
td::int32 res = 0;
for (int j = 0; j < n; j++) {
res ^= td::Random::secure_int32();
}
sum += res;
}));
}
for (auto &x : v) {
x.join();
}
v.clear();
td::do_not_optimize_away(sum.load());
}
#endif
BENCH(SslRandBuf, "ssl_rand_bytes") {
td::int32 res = 0;
std::array<td::int32, 1000> buf;
for (int i = 0; i < n; i += static_cast<int>(buf.size())) {
td::Random::secure_bytes(reinterpret_cast<td::uint8 *>(buf.data()), sizeof(buf[0]) * buf.size());
for (auto x : buf) {
res ^= x;
}
}
td::do_not_optimize_away(res);
}
BENCH(Pbkdf2, "pbkdf2") {
std::string password = "cucumber";
std::string salt = "abcdefghijklmnopqrstuvw";
std::string key(32, ' ');
td::pbkdf2_sha256(password, salt, n, key);
}
class Crc32Bench : public td::Benchmark {
public:
alignas(64) unsigned char data[DATA_SIZE];
std::string get_description() const override {
return PSTRING() << "Crc32 zlib [" << (DATA_SIZE >> 10) << "KB]";
}
void start_up() override {
for (int i = 0; i < DATA_SIZE; i++) {
data[i] = 123;
data[i] = 0;
}
}
void run(int n) override {
td::uint64 res = 0;
for (int i = 0; i < n; i++) {
res += td::crc32(td::Slice(data, DATA_SIZE));
}
td::do_not_optimize_away(res);
}
};
class Crc64Bench : public td::Benchmark {
public:
alignas(64) unsigned char data[DATA_SIZE];
std::string get_description() const override {
return PSTRING() << "Crc64 Anton [" << (DATA_SIZE >> 10) << "KB]";
}
void start_up() override {
for (int i = 0; i < DATA_SIZE; i++) {
data[i] = 123;
data[i] = 0;
}
}
void run(int n) override {
td::uint64 res = 0;
for (int i = 0; i < n; i++) {
res += td::crc64(td::Slice(data, DATA_SIZE));
}
td::do_not_optimize_away(res);
}
};
int main() {
td::bench(Pbkdf2Bench());
td::bench(RandBench());
td::bench(CppRandBench());
td::bench(TdRand32Bench());
td::bench(TdRandFastBench());
#if !TD_THREAD_UNSUPPORTED
td::bench(SslRandBench());
#endif
td::bench(SslRandBufBench());
td::bench(SHA1Bench());
td::bench(AESBench());
td::bench(Crc32Bench());
td::bench(Crc64Bench());
return 0;
}
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