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Teach Benchmark to read positions from a file 

This comes handy to test the engine on different
sets of positions, not only the 15 default ones.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
sf_2.3.1_base
Marco Costalba 2008-09-18 09:55:35 +01:00
parent f1e245850f
commit 925f97f4e7
1 changed files with 39 additions and 14 deletions
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53
src/benchmark.cpp
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@ -20,7 +20,9 @@
////
//// Includes
////
#include <fstream>
#include <sstream>
#include <vector>
#include "benchmark.h"
#include "search.h"
@ -55,19 +57,20 @@ const std::string BenchmarkPositions[15] = {
//// Functions
////
/// benchmark() runs a simple benchmark by letting Glaurung analyze 15
/// positions for 60 seconds each. There are two parameters; the
/// transposition table size and the number of search threads that should
/// be used. The analysis is written to a file named bench.txt.
/// benchmark() runs a simple benchmark by letting Glaurung analyze a set
/// of positions for a given time each. There are four parameters; the
/// transposition table size, the number of search threads that should
/// be used, the time in seconds spent for each position (optional, default
/// is 60) and an optional file name where to look for positions in fen
/// format (default are the BenchmarkPositions defined above).
/// The analysis is written to a file named bench.txt.
void benchmark(const std::string& commandLine) {
Position pos;
Move moves[1] = {MOVE_NONE};
std::string ttSize, threads, fileName;
std::istringstream csVal(commandLine);
std::istringstream csStr(commandLine);
int val, time;
std::string ttSize, threads, fileName;
int val, secsPerPos;
csStr >> ttSize;
csVal >> val;
@ -90,15 +93,37 @@ void benchmark(const std::string& commandLine) {
set_option_value("Use Search Log", "true");
set_option_value("Search Log Filename", "bench.txt");
csVal >> time; // In seconds
csVal >> secsPerPos;
csVal >> fileName;
std::vector<std::string> positions;
if (fileName != "default")
exit(0);
for (int i = 0; i < 15; i++)
{
pos.from_fen(BenchmarkPositions[i]);
think(pos, true, false, 0, 0, 0, 0, 0, time * 1000, moves);
std::ifstream fenFile(fileName.c_str());
if (!fenFile.is_open())
{
std::cerr << "Unable to open positions file " << fileName
<< std::endl;
exit(EXIT_FAILURE);
}
std::string pos;
while (fenFile.good())
{
std::getline(fenFile, pos);
if (!pos.empty())
positions.push_back(pos);
}
fenFile.close();
} else
for (int i = 0; i < 15; i++)
positions.push_back(std::string(BenchmarkPositions[i]));
std::vector<std::string>::iterator it;
for (it = positions.begin(); it != positions.end(); ++it)
{
Move moves[1] = {MOVE_NONE};
Position pos(*it);
think(pos, true, false, 0, 0, 0, 0, 0, secsPerPos * 1000, moves);
}
}