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// generate_table.cpp
//
// Copyright (c) 2009
// Steven Watanabe
//
// 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 <vector>
#include <utility>
#include <iostream>
#include <cstring>
#include <fstream>
#include <boost/regex.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/foreach.hpp>
#include <boost/format.hpp>
#include <boost/multi_index_container.hpp>
#include <boost/multi_index/hashed_index.hpp>
#include <boost/multi_index/sequenced_index.hpp>
boost::regex generator_regex("(?:fixed-range )?([^:]+): (\\d+(?:\\.\\d+)?) nsec/loop = \\d+(?:\\.\\d+)? CPU cycles");
boost::regex distribution_regex("([^\\s]+)( virtual function)? ([^:]+): (\\d+(?:\\.\\d+)?) nsec/loop = \\d+(?:\\.\\d+)? CPU cycles");
std::string template_name(std::string arg) {
return boost::regex_replace(arg, boost::regex("[^\\w]"), "_");
}
struct compare_second {
template<class Pair>
bool operator()(const Pair& p1, const Pair& p2) const {
return (p1.second < p2.second);
}
};
typedef boost::multi_index_container<
std::string,
boost::mpl::vector<
boost::multi_index::sequenced<>,
boost::multi_index::hashed_unique<boost::multi_index::identity<std::string> >
>
> unique_list;
int main(int argc, char** argv) {
std::string suffix;
std::string id;
if(argc >= 2 && std::strcmp(argv[1], "-linux") == 0) {
suffix = "linux";
id = "Linux";
} else {
suffix = "windows";
id = "Windows";
}
std::vector<std::pair<std::string, double> > generator_info;
std::string line;
while(std::getline(std::cin, line)) {
boost::smatch match;
if(std::strncmp(line.c_str(), "counting ", 9) == 0) break;
if(boost::regex_match(line, match, generator_regex)) {
std::string generator(match[1]);
double time = boost::lexical_cast<double>(match[2]);
if(generator != "counting") {
generator_info.push_back(std::make_pair(generator, time));
}
} else {
std::cerr << "oops: " << line << std::endl;
}
}
double min = std::min_element(generator_info.begin(), generator_info.end(), compare_second())->second;
std::ofstream generator_defs("performance_data.qbk");
std::ofstream generator_performance(("generator_performance_" + suffix + ".qbk").c_str());
generator_performance << "[table Basic Generators (" << id << ")\n";
generator_performance << " [[generator] [M rn/sec] [time per random number \\[nsec\\]] "
"[relative speed compared to fastest \\[percent\\]]]\n";
typedef std::pair<std::string, double> pair_type;
BOOST_FOREACH(const pair_type& pair, generator_info) {
generator_defs << boost::format("[template %s_speed[] %d%%]\n")
% template_name(pair.first) % static_cast<int>(100*min/pair.second);
generator_performance << boost::format(" [[%s][%g][%g][%d%%]]\n")
% pair.first % (1000/pair.second) % pair.second % static_cast<int>(100*min/pair.second);
}
generator_performance << "]\n";
std::map<std::pair<std::string, std::string>, double> distribution_info;
unique_list generator_names;
unique_list distribution_names;
do {
boost::smatch match;
if(boost::regex_match(line, match, distribution_regex)) {
if(!match[2].matched && match[1] != "counting") {
std::string generator(match[1]);
std::string distribution(match[3]);
double time = boost::lexical_cast<double>(match[4]);
generator_names.push_back(generator);
distribution_names.push_back(distribution);
distribution_info.insert(std::make_pair(std::make_pair(distribution, generator), time));
}
} else {
std::cerr << "oops: " << line << std::endl;
}
} while(std::getline(std::cin, line));
std::ofstream distribution_performance(("distribution_performance_" + suffix + ".qbk").c_str());
distribution_performance << "[table Distributions (" << id << ")\n";
distribution_performance << " [[\\[M rn/sec\\]]";
BOOST_FOREACH(const std::string& generator, generator_names) {
distribution_performance << boost::format("[%s]") % generator;
}
distribution_performance << "]\n";
BOOST_FOREACH(const std::string& distribution, distribution_names) {
distribution_performance << boost::format(" [[%s]") % distribution;
BOOST_FOREACH(const std::string& generator, generator_names) {
std::map<std::pair<std::string, std::string>, double>::iterator pos =
distribution_info.find(std::make_pair(distribution, generator));
if(pos != distribution_info.end()) {
distribution_performance << boost::format("[%g]") % (1000/pos->second);
} else {
distribution_performance << "[-]";
}
}
distribution_performance << "]\n";
}
distribution_performance << "]\n";
}
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