WSJT-X/boost/libs/math/tools/process_perf_results.cpp

143 lines
5.7 KiB
C++
Raw Normal View History

// Copyright John Maddock 2007.
// Use, modification and distribution are subject to 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 <map>
#include <fstream>
#include <iostream>
#include <boost/regex.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/format.hpp>
#include <boost/math/special_functions.hpp>
std::map<std::string, double> results;
std::map<std::string, std::string> extra_text;
void load_file(std::string& s, std::istream& is)
{
s.erase();
if(is.bad()) return;
s.reserve(is.rdbuf()->in_avail());
char c;
while(is.get(c))
{
if(s.capacity() == s.size())
s.reserve(s.capacity() * 3);
s.append(1, c);
}
}
int main(int argc, const char* argv[])
{
//
// Set any additional text that should accumpany specific results:
//
extra_text["msvc-dist-beta-R-quantile"] = "[footnote There are a small number of our test cases where the R library fails to converge on a result: these tend to dominate the performance result.]";
extra_text["msvc-dist-nbinom-R-quantile"] = "[footnote The R library appears to use a linear-search strategy, that can perform very badly in a small number of pathological cases, but may or may not be more efficient in \"typical\" cases]";
extra_text["gcc-4_3_2-dist-beta-R-quantile"] = "[footnote There are a small number of our test cases where the R library fails to converge on a result: these tend to dominate the performance result.]";
extra_text["gcc-4_3_2-dist-nbinom-R-quantile"] = "[footnote The R library appears to use a linear-search strategy, that can perform very badly in a small number of pathological cases, but may or may not be more efficient in \"typical\" cases]";
extra_text["msvc-dist-hypergeometric-cdf"] = "[footnote This result is somewhat misleading: for small values of the parameters there is virtually no difference between the two libraries, but for large values the Boost implementation is /much/ slower, albeit with much improved precision.]";
extra_text["msvc-dist-nt-R-quantile"] = "[footnote There are a small number of our test cases where the R library fails to converge on a result: these tend to dominate the performance result.]";
extra_text["msvc-dist-nchisq-R-quantile"] = "[footnote There are a small number of our test cases where the R library fails to converge on a result: these tend to dominate the performance result.]";
extra_text["gcc-4_3_2-dist-hypergeometric-cdf"] = "[footnote This result is somewhat misleading: for small values of the parameters there is virtually no difference between the two libraries, but for large values the Boost implementation is /much/ slower, albeit with much improved precision.]";
extra_text["gcc-4_3_2-dist-nt-R-quantile"] = "[footnote There are a small number of our test cases where the R library fails to converge on a result: these tend to dominate the performance result.]";
extra_text["gcc-4_3_2-dist-nchisq-R-quantile"] = "[footnote There are a small number of our test cases where the R library fails to converge on a result: these tend to dominate the performance result.]";
boost::regex e("^Testing\\s+(\\S+)\\s+(\\S+)");
std::string f;
for(int i = 1; i < argc-1; ++i)
{
std::ifstream is(argv[i]);
load_file(f, is);
boost::sregex_iterator a(f.begin(), f.end(), e), b;
while(a != b)
{
results[(*a).str(1)] = boost::lexical_cast<double>((*a).str(2));
++a;
}
}
//
// Load quickbook file:
//
std::ifstream is(argv[argc-1]);
std::string bak_file = std::string(argv[argc-1]).append(".bak");
std::ofstream os(bak_file.c_str());
e.assign(
"\\[perf\\s+([^\\s.]+)"
"(?:"
"\\[[^\\]\\[]*"
"(?:\\[[^\\]\\[]*\\][^\\]\\[]*)?"
"\\]"
"|[^\\]]"
")*\\]");
std::string newfile;
while(is.good())
{
std::getline(is, f);
os << f << std::endl;
boost::sregex_iterator i(f.begin(), f.end(), e), j;
double min = (std::numeric_limits<double>::max)();
while(i != j)
{
std::cout << (*i).str() << std::endl << (*i).str(1) << std::endl;
std::string item = (*i).str(1);
if(results.find(item) != results.end())
{
double r = results[item];
if(r < min)
min = r;
}
++i;
}
//
// Now perform the substitutions:
//
std::string newstr;
std::string tail;
i = boost::sregex_iterator(f.begin(), f.end(), e);
while(i != j)
{
std::string item = (*i).str(1);
newstr.append(i->prefix());
if(results.find(item) != results.end())
{
double v = results[item];
double r = v / min;
newstr += std::string((*i)[0].first, (*i)[1].second);
newstr += "..[para ";
if(r < 1.01)
newstr += "*";
newstr += (boost::format("%.2f") % r).str();
if(r < 1.01)
newstr += "*";
if(extra_text.find(item) != extra_text.end())
{
newstr += extra_text[item];
}
newstr += "][para (";
newstr += (boost::format("%.3e") % results[item]).str();
newstr += "s)]]";
}
else
{
newstr.append(i->str());
std::cerr << "Item " << item << " not found!!" << std::endl;
}
tail = i->suffix();
++i;
}
if(newstr.size())
newfile.append(newstr).append(tail);
else
newfile.append(f);
newfile.append("\n");
}
is.close();
std::ofstream ns(argv[argc-1]);
ns << newfile;
}