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Tidy up benchmark.cpp

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2011-07-24 08:26:35 +01:00
parent dab1cd8af9
commit ff1ecb5d6c
2 changed files with 26 additions and 31 deletions
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46
src/benchmark.cpp
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@@ -49,13 +49,12 @@ static const string Defaults[] = {
/// benchmark() runs a simple benchmark by letting Stockfish analyze a set
/// of positions for a given limit each. There are five parameters; the
/// of positions for a given limit each. There are five parameters; the
/// transposition table size, the number of search threads that should
/// be used, the limit value spent for each position (optional, default
/// is ply 12), an optional file name where to look for positions in fen
/// format (default are the BenchmarkPositions defined above) and the type
/// of the limit value: depth (default), time in secs or number of nodes.
/// The analysis is written to a file named bench.txt.
/// be used, the limit value spent for each position (optional, default is
/// depth 12), an optional file name where to look for positions in fen
/// format (defaults are the positions defined above) and the type of the
/// limit value: depth (default), time in secs or number of nodes.
void benchmark(int argc, char* argv[]) {
@@ -64,10 +63,6 @@ void benchmark(int argc, char* argv[]) {
int64_t totalNodes;
int time;
// Load default positions
for (int i = 0; !Defaults[i].empty(); i++)
fenList.push_back(Defaults[i]);
// Assign default values to missing arguments
string ttSize = argc > 2 ? argv[2] : "128";
string threads = argc > 3 ? argv[3] : "1";
@@ -87,28 +82,27 @@ void benchmark(int argc, char* argv[]) {
else
limits.maxDepth = atoi(valStr.c_str());
// Do we need to load positions from a given FEN file ?
// Do we need to load positions from a given FEN file?
if (fenFile != "default")
{
string fen;
ifstream f(fenFile.c_str());
if (f.is_open())
if (!f.is_open())
{
fenList.clear();
while (getline(f, fen))
if (!fen.empty())
fenList.push_back(fen);
f.close();
}
else
{
cerr << "Unable to open FEN file " << fenFile << endl;
cerr << "Unable to open file " << fenFile << endl;
exit(EXIT_FAILURE);
}
while (getline(f, fen))
if (!fen.empty())
fenList.push_back(fen);
f.close();
}
else // Load default positions
for (int i = 0; !Defaults[i].empty(); i++)
fenList.push_back(Defaults[i]);
// Ok, let's start the benchmark !
totalNodes = 0;
@@ -124,9 +118,11 @@ void benchmark(int argc, char* argv[]) {
if (valType == "perft")
{
int64_t cnt = perft(pos, limits.maxDepth * ONE_PLY);
totalNodes += cnt;
cerr << "\nPerft " << limits.maxDepth << " nodes counted: " << cnt << endl;
cerr << "\nPerft " << limits.maxDepth
<< " nodes counted: " << cnt << endl;
totalNodes += cnt;
}
else
{