/usr/include/blitz/benchext.h is in libblitz0-dev 1:0.10-3.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/***************************************************************************
* blitz/benchext.h BenchmarkExt classes (Benchmarks with external
* control)
*
* $Id$
*
* Copyright (C) 1997-2011 Todd Veldhuizen <tveldhui@acm.org>
*
* This file is a part of Blitz.
*
* Blitz is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Blitz is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Blitz. If not, see <http://www.gnu.org/licenses/>.
*
* Suggestions: blitz-devel@lists.sourceforge.net
* Bugs: blitz-support@lists.sourceforge.net
*
* For more information, please see the Blitz++ Home Page:
* https://sourceforge.net/projects/blitz/
*
***************************************************************************/
#ifndef BZ_BENCHEXT_H
#define BZ_BENCHEXT_H
//#ifndef BZ_MATRIX_H
#include <blitz/array.h>
//#endif
#include <vector>
#ifndef BZ_TIMER_H
#include <blitz/timer.h>
#endif
#include <math.h>
#include <string>
// NEEDS_WORK: replace use of const char* with <string>, once standard
// library is widely supported.
BZ_NAMESPACE(blitz)
// Declaration of class BenchmarkExt<T>
// The template parameter T is the parameter type which is varied in
// the benchmark. Typically T will be an unsigned, and will represent
// the length of a vector, size of an array, etc.
template<typename P_parameter = unsigned>
class BenchmarkExt {
public:
typedef P_parameter T_parameter;
BenchmarkExt(const char* description, int numImplementations);
~BenchmarkExt();
void setNumParameters(int numParameters);
void setParameterVector(Array<T_parameter,1> parms);
void setParameterDescription(const char* string);
void setIterations(Array<long,1> iters);
void setOpsPerIteration(Array<double,1> flopsPerIteration);
void setDependentVariable(const char* string);
void beginBenchmarking();
void beginImplementation(const char* description);
bool doneImplementationBenchmark() const;
const string& currentImplementation() const;
T_parameter getParameter() const;
long getIterations() const;
inline void start();
inline void stop();
void startOverhead();
void stopOverhead();
void skip();
void endImplementation();
void endBenchmarking();
double getMflops(unsigned implementation, unsigned parameterNum) const;
double getinstrperc(int implementation, int parameterNum) const;
double getflopsperc(int implementation, int parameterNum) const;
void saveMatlabGraph(const char* filename, const char* graphType="semilogx") const;
void savePylabGraph(const char* filename, const char* graphType="semilogx") const;
protected:
BenchmarkExt(const BenchmarkExt<P_parameter>&) { }
void operator=(const BenchmarkExt<P_parameter>&) { }
enum { initializing, benchmarking, benchmarkingImplementation,
running, runningOverhead, done } state_;
unsigned numImplementations_;
unsigned implementationNumber_;
std::string description_;
std::vector<std::string> implementationDescriptions_;
Array<double,2> times_; // Elapsed time
Array<long long,2> instr_; // instructions according to timer
Array<long long,2> flops_; // flops according to timer
Array<T_parameter,1> parameters_;
Array<long,1> iterations_;
Array<double,1> flopsPerIteration_;
Timer timer_;
std::string parameterDescription_;
std::string depvar_;
double timerconversion_;
unsigned numParameters_;
unsigned parameterNumber_;
};
BZ_NAMESPACE_END
#include <blitz/benchext.cc>
#endif // BZ_BENCHEXT_H
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