421 lines
11 KiB
C++
421 lines
11 KiB
C++
// Copyright John Maddock 2015.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifdef _MSC_VER
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# pragma warning (disable : 4224)
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#endif
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#include <boost/regex.hpp>
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#include <boost/lexical_cast.hpp>
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#include <boost/filesystem.hpp>
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#include <boost/filesystem/fstream.hpp>
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#include <boost/container_hash/hash.hpp>
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#include <vector>
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#include <set>
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#include <iostream>
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#include <sstream>
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#include <iomanip>
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std::vector<std::vector<double> > data;
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inline std::string sanitize_string(const std::string& s)
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{
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static const boost::regex e("[^a-zA-Z0-9]+");
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std::string result = boost::regex_replace(s, e, "_");
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while(result[0] == '_')
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result.erase(0);
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return result;
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}
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inline std::string sanitize_short_string(const std::string& s)
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{
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unsigned id = boost::hash<std::string>()(s);
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return sanitize_string("id" + boost::lexical_cast<std::string>(id));
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}
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std::string format_precision(double val, int digits)
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{
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std::stringstream ss;
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ss << std::setprecision(digits);
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ss << std::fixed;
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ss << val;
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return ss.str();
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}
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static std::string content;
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boost::filesystem::path path_to_content;
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struct content_loader
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{
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content_loader()
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{
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boost::filesystem::path p(__FILE__);
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p = p.parent_path();
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p /= "doc";
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p /= "performance_tables.qbk";
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path_to_content = p;
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if(boost::filesystem::exists(p))
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{
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boost::filesystem::ifstream is(p);
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if(is.good())
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{
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do
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{
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char c = static_cast<char>(is.get());
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if(c != EOF)
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content.append(1, c);
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} while(is.good());
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}
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}
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}
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~content_loader()
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{
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boost::filesystem::ofstream os(path_to_content);
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os << content;
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}
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void instantiate()const
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{
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}
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};
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static const content_loader loader;
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void load_table(std::vector<std::vector<std::string> >& table, std::string::const_iterator begin, std::string::const_iterator end)
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{
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static const boost::regex item_e(
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"\\["
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"([^\\[\\]]*(?0)?)*"
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"\\]"
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);
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boost::regex_token_iterator<std::string::const_iterator> i(begin, end, item_e), j;
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while(i != j)
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{
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// Add a row:
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table.push_back(std::vector<std::string>());
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boost::regex_token_iterator<std::string::const_iterator> k(i->first + 1, i->second - 1, item_e);
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while(k != j)
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{
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// Add a cell:
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table.back().push_back(std::string(k->first + 1, k->second - 1));
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++k;
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}
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++i;
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}
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}
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std::string save_table(std::vector<std::vector<std::string> >& table)
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{
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std::string result;
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for(std::vector<std::vector<std::string> >::const_iterator i = table.begin(), j = table.end(); i != j; ++i)
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{
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result += "[";
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for(std::vector<std::string>::const_iterator k = i->begin(), l = i->end(); k != l; ++k)
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{
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result += "[";
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result += *k;
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result += "]";
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}
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result += "]\n";
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}
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return result;
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}
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void add_to_all_sections(const std::string& id, std::string list_name = "performance_all_sections")
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{
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std::string::size_type pos = content.find("[template " + list_name + "[]"), end_pos;
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if(pos == std::string::npos)
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{
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//
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// Just append to the end:
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//
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content.append("\n[template ").append(list_name).append("[]\n[").append(id).append("]\n]\n");
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}
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else
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{
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//
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// Read in the all list of sections, add our new one (in alphabetical order),
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// and then rewrite the whole thing:
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//
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static const boost::regex item_e(
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"\\["
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"((?=[^\\]])[^\\[\\]]*+(?0)?+)*+"
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"\\]|\\]"
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);
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boost::regex_token_iterator<std::string::const_iterator> i(content.begin() + pos + 12 + list_name.size(), content.end(), item_e), j;
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std::set<std::string> sections;
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while(i != j)
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{
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if(i->length() == 1)
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{
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end_pos = i->first - content.begin();
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break;
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}
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sections.insert(std::string(i->first + 1, i->second - 1));
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++i;
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}
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sections.insert(id);
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std::string new_list = "\n";
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for(std::set<std::string>::const_iterator sec = sections.begin(); sec != sections.end(); ++sec)
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{
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new_list += "[" + *sec + "]\n";
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}
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content.replace(pos + 12 + list_name.size(), end_pos - pos - 12 - list_name.size(), new_list);
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}
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}
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std::string get_colour(boost::uintmax_t val, boost::uintmax_t best)
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{
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if(val <= best * 1.2)
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return "green";
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if(val > best * 4)
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return "red";
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return "blue";
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}
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boost::intmax_t get_value_from_cell(const std::string& cell)
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{
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static const boost::regex time_e("(\\d+)ns");
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boost::smatch what;
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if(regex_search(cell, what, time_e))
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{
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return boost::lexical_cast<boost::uintmax_t>(what.str(1));
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}
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return -1;
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}
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void add_cell(boost::intmax_t val, const std::string& table_name, const std::string& row_name, const std::string& column_heading)
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{
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//
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// Load the table, add our data, and re-write:
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//
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std::string table_id = "table_" + sanitize_string(table_name);
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boost::regex table_e("\\[table:" + table_id
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+ "\\s(?:[^\\[]|\\\\.)++"
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"((\\["
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"((?:[^\\[\\]]|\\\\.)*+(?2)?+)*+"
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"\\]\\s*+)*+\\s*+)"
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"\\]"
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);
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boost::smatch table_location;
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if(regex_search(content, table_location, table_e))
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{
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std::vector<std::vector<std::string> > table_data;
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load_table(table_data, table_location[1].first, table_location[1].second);
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//
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// Figure out which column we're on:
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//
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unsigned column_id = 1001u;
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for(unsigned i = 0; i < table_data[0].size(); ++i)
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{
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if(table_data[0][i] == column_heading)
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{
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column_id = i;
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break;
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}
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}
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if(column_id > 1000)
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{
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//
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// Need a new column, must be adding a new compiler to the table!
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//
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table_data[0].push_back(column_heading);
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for(unsigned i = 1; i < table_data.size(); ++i)
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table_data[i].push_back(std::string());
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column_id = table_data[0].size() - 1;
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}
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//
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// Figure out the row:
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//
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unsigned row_id = 1001;
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for(unsigned i = 1; i < table_data.size(); ++i)
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{
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if(table_data[i][0] == row_name)
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{
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row_id = i;
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break;
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}
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}
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if(row_id > 1000)
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{
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//
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// Need a new row, add it now:
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//
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table_data.push_back(std::vector<std::string>());
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table_data.back().push_back(row_name);
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for(unsigned i = 1; i < table_data[0].size(); ++i)
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table_data.back().push_back(std::string());
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row_id = table_data.size() - 1;
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}
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//
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// Find the best result in this row:
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//
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boost::uintmax_t best = (std::numeric_limits<boost::uintmax_t>::max)();
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std::vector<boost::intmax_t> values;
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for(unsigned i = 1; i < table_data[row_id].size(); ++i)
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{
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if(i == column_id)
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{
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if(val < best)
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best = val;
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values.push_back(val);
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}
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else
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{
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std::cout << "Existing cell value was " << table_data[row_id][i] << std::endl;
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boost::uintmax_t cell_val = get_value_from_cell(table_data[row_id][i]);
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std::cout << "Extracted value: " << cell_val << std::endl;
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if(cell_val < best)
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best = cell_val;
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values.push_back(cell_val);
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}
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}
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//
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// Update the row:
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//
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for(unsigned i = 1; i < table_data[row_id].size(); ++i)
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{
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std::string& s = table_data[row_id][i];
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s = "[role ";
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if(values[i - 1] < 0)
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{
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s += "grey -]";
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}
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else
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{
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s += get_colour(values[i - 1], best);
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s += " ";
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s += format_precision(static_cast<double>(values[i - 1]) / best, 2);
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s += "[br](";
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s += boost::lexical_cast<std::string>(values[i - 1]) + "ns)]";
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}
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}
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//
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// Convert back to a string and insert into content:
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std::sort(table_data.begin() + 1, table_data.end(), [](std::vector<std::string> const& a, std::vector<std::string> const& b) { return a[0] < b[0]; } );
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std::string c = save_table(table_data);
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content.replace(table_location.position(1), table_location.length(1), c);
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}
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else
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{
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//
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// Create a new table and try again:
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//
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std::string new_table = "\n[template " + table_id;
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new_table += "[]\n[table:" + table_id;
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new_table += " ";
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new_table += table_name;
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new_table += "\n[[Expression[br]Text][";
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new_table += column_heading;
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new_table += "]]\n";
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new_table += "[[";
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new_table += row_name;
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new_table += "][[role blue 1.00[br](";
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new_table += boost::lexical_cast<std::string>(val);
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new_table += "ns)]]]\n]\n]\n";
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std::string::size_type pos = content.find("[/tables:]");
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if(pos != std::string::npos)
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content.insert(pos + 10, new_table);
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else
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content += "\n\n[/tables:]\n" + new_table;
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//
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// Add a section for this table as well:
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//
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std::string section_id = "section_" + sanitize_short_string(table_name);
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if(content.find(section_id + "[]") == std::string::npos)
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{
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std::string new_section = "\n[template " + section_id + "[]\n[section:" + section_id + " " + table_name + "]\n[" + table_id + "]\n[endsect]\n]\n";
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pos = content.find("[/sections:]");
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if(pos != std::string::npos)
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content.insert(pos + 12, new_section);
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else
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content += "\n\n[/sections:]\n" + new_section;
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add_to_all_sections(section_id);
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}
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//
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// Add to list of all tables (not in sections):
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//
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add_to_all_sections(table_id, "performance_all_tables");
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}
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}
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void report_execution_time(double t, std::string table, std::string row, std::string heading)
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{
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try {
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add_cell(static_cast<boost::uintmax_t>(t / 1e-9), table, row, heading);
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}
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catch(const std::exception& e)
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{
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std::cout << "Error in adding cell: " << e.what() << std::endl;
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throw;
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}
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}
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std::string boost_name()
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{
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return "boost " + boost::lexical_cast<std::string>(BOOST_VERSION / 100000) + "." + boost::lexical_cast<std::string>((BOOST_VERSION / 100) % 1000);
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}
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std::string compiler_name()
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{
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#ifdef COMPILER_NAME
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return COMPILER_NAME;
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#else
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return BOOST_COMPILER;
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#endif
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}
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std::string platform_name()
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{
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#ifdef _WIN32
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return "Windows x64";
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#else
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return BOOST_PLATFORM;
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#endif
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}
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std::string get_compiler_options_name()
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{
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#if defined(BOOST_MSVC) || defined(__ICL)
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std::string result;
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#ifdef BOOST_MSVC
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result = "cl ";
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#else
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result = "icl ";
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#endif
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#ifdef _M_AMD64
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#ifdef __AVX__
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result += "/arch:AVX /Ox";
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#else
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result += "/Ox";
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#endif
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result += " (x64 build)";
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#else
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#ifdef _DEBUG
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result += "/Od";
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#elif defined(__AVX2__)
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result += "/arch:AVX2 /Ox";
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#elif defined(__AVX__)
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result += "/arch:AVX /Ox";
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#elif _M_IX86_FP == 2
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result += "/arch:sse2 /Ox";
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#else
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result += "/arch:ia32 /Ox";
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#endif
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result += " (x86 build)";
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#endif
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std::cout << "Compiler options are found as: " << result << std::endl;
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return result;
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#else
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return "Unknown";
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#endif
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}
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