summaryrefslogtreecommitdiffstats
path: root/src/boost/libs/math/tools/process_perf_results.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/boost/libs/math/tools/process_perf_results.cpp')
-rw-r--r--src/boost/libs/math/tools/process_perf_results.cpp142
1 files changed, 142 insertions, 0 deletions
diff --git a/src/boost/libs/math/tools/process_perf_results.cpp b/src/boost/libs/math/tools/process_perf_results.cpp
new file mode 100644
index 00000000..ecc6feb8
--- /dev/null
+++ b/src/boost/libs/math/tools/process_perf_results.cpp
@@ -0,0 +1,142 @@
+// 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;
+}
+