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Profile work validation (#2322)

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* Profile work validation

* Add CLI debug_proifile_validation to profile work validation

* Replace previous verify command
This commit is contained in:
Guilherme Lawless 2019-10-02 13:31:13 +01:00 • committed by GitHub
commit 335f783cda
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1 changed files with 19 additions and 20 deletions
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39
nano/nano_node/entry.cpp
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@ -117,8 +117,8 @@ int main (int argc, char * const * argv)
("debug_account_count", "Display the number of accounts")
("debug_mass_activity", "Generates fake debug activity")
("debug_profile_generate", "Profile work generation")
("debug_profile_validate", "Profile work validation")
("debug_opencl", "OpenCL work generation")
("debug_profile_verify", "Profile work verification")
("debug_profile_kdf", "Profile kdf function")
("debug_output_last_backtrace_dump", "Displays the contents of the latest backtrace in the event of a nano_node crash")
("debug_sys_logging", "Test the system logger")
@ -358,6 +358,24 @@ int main (int argc, char * const * argv)
std::cerr << boost::str (boost::format ("%|1$ 12d|\n") % std::chrono::duration_cast<std::chrono::microseconds> (end1 - begin1).count ());
}
}
else if (vm.count ("debug_profile_validate"))
{
uint64_t difficulty{ nano::network_constants::publish_full_threshold };
std::cerr << "Starting validation profile" << std::endl;
auto start (std::chrono::steady_clock::now ());
bool valid{ false };
nano::block_hash hash{ 0 };
uint64_t count{ 10000000U }; // 10M
for (uint64_t i (0); i < count; ++i)
{
valid = nano::work_value (hash, i) > difficulty;
}
std::ostringstream oss (valid ? "true" : "false"); // IO forces compiler to not dismiss the variable
auto total_time (std::chrono::duration_cast<std::chrono::nanoseconds> (std::chrono::steady_clock::now () - start).count ());
uint64_t average (total_time / count);
std::cout << "Average validation time: " << std::to_string (average) << " ns (" << std::to_string (static_cast<unsigned> (count * 1e9 / total_time)) << " validations/s)" << std::endl;
return average;
}
else if (vm.count ("debug_opencl"))
{
nano::network_constants network_constants;
@ -468,25 +486,6 @@ int main (int argc, char * const * argv)
result = -1;
}
}
else if (vm.count ("debug_profile_verify"))
{
nano::work_pool work (std::numeric_limits<unsigned>::max ());
nano::change_block block (0, 0, nano::keypair ().prv, 0, 0);
std::cerr << "Starting verification profiling\n";
while (true)
{
block.hashables.previous.qwords[0] += 1;
auto begin1 (std::chrono::high_resolution_clock::now ());
for (uint64_t t (0); t < 1000000; ++t)
{
block.hashables.previous.qwords[0] += 1;
block.block_work_set (t);
nano::work_validate (block);
}
auto end1 (std::chrono::high_resolution_clock::now ());
std::cerr << boost::str (boost::format ("%|1$ 12d|\n") % std::chrono::duration_cast<std::chrono::microseconds> (end1 - begin1).count ());
}
}
else if (vm.count ("debug_output_last_backtrace_dump"))
{
if (boost::filesystem::exists ("nano_node_backtrace.dump"))