[mathicgb] 140/393: Better log summary at end of run and now loggers for matrix construction.

[Doug Torrance]

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dtorrance-guest pushed a commit to branch upstream
in repository mathicgb.

commit eff5b6bbf830e51510a7f03a45eb8317153387a0
Author: Bjarke Hammersholt Roune <bjarkehr.code at gmail.com>
Date:   Mon Jan 28 18:41:48 2013 +0100

    Better log summary at end of run and now loggers for matrix construction.
---
 src/mathicgb/LogDomainSet.cpp | 78 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/src/mathicgb/LogDomainSet.cpp b/src/mathicgb/LogDomainSet.cpp
new file mode 100644
index 0000000..ed79ef7
--- /dev/null
+++ b/src/mathicgb/LogDomainSet.cpp
@@ -0,0 +1,78 @@
+#include "stdinc.h"
+#include "LogDomainSet.hpp"
+
+#include <mathic.h>
+
+LogDomainSet::LogDomainSet():
+  mStartTime(tbb::tick_count::now()) {
+}
+
+void LogDomainSet::registerLogDomain(LogDomain<true>& domain) {
+  mLogDomains.push_back(&domain);
+}
+
+LogDomain<true>* LogDomainSet::logDomain(const char* const name) {
+  const auto func = [&](const LogDomain<true>* const ld){
+    return std::strcmp(ld->name(), name) == 0;
+  };
+  const auto it = std::find_if(mLogDomains.begin(), mLogDomains.end(), func);
+  return it == mLogDomains.end() ? static_cast<LogDomain<true>*>(0) : *it;
+}
+
+
+void LogDomainSet::printReport(std::ostream& out) const {
+  const auto allTime = (tbb::tick_count::now() - mStartTime).seconds();
+
+  mathic::ColumnPrinter pr;
+  auto& names = pr.addColumn(true);
+  auto& times = pr.addColumn(false);
+  auto& ratios = pr.addColumn(false);
+  times.precision(3);
+  times << std::fixed;
+  ratios.precision(3);
+  ratios << std::fixed;
+
+  names << "Log name  \n";
+  times << "  Time/s (real)\n";
+  ratios << "  Ratio\n";
+  pr.repeatToEndOfLine('-');
+
+  double timeSum = 0;
+  bool somethingToReport = false;
+  const auto end = logDomains().cend();
+  for (auto it = logDomains().cbegin(); it != end; ++it) {
+    const auto& log = **it;
+    if (!log.enabled() || !log.hasTime())
+      continue;
+    somethingToReport = true;
+
+    const auto logTime = log.loggedSecondsReal();
+    timeSum += logTime;
+    names << log.name() << '\n';
+    times << logTime << '\n';
+    ratios << mathic::ColumnPrinter::percent(logTime, allTime) << '\n';
+  }
+  if (!somethingToReport)
+    return;
+  pr.repeatToEndOfLine('-');
+  names << "sum\n";
+  times << timeSum;
+  ratios << mathic::ColumnPrinter::percent(timeSum, allTime) << '\n';
+
+  const auto oldFlags = out.flags();
+  const auto oldPrecision = out.precision();
+  out << std::fixed;
+  out.precision(3);
+  out << "***** Logging report *****\nTime elapsed: "
+    << allTime << "s\n\n" << pr << '\n';
+
+  // todo: restore the stream state using RAII, since the above code might
+  // throw an exception.
+  out.precision(oldPrecision);
+  out.flags(oldFlags);
+}
+
+LogDomainSet& LogDomainSet::singleton() {
+  static LogDomainSet set;
+  return set;
+}

-- 
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