void Benchmark_Click(Object _sender, EventArgs _e1)
{
try
{
// For optimum performance evaluate in a batch...
// Redefine vector variables to contain multiple values
MTParser benchParser = new MTParser();
benchParser.copy(m_parser);
MTDoubleVector x = new MTDoubleVector();
MTDoubleVector y = new MTDoubleVector();
MTDoubleVector z = new MTDoubleVector();
x.create("x");
y.create("y");
z.create("z");
benchParser.undefineAllVars();
benchParser.defineVar(x as IMTVariable);
benchParser.defineVar(y as IMTVariable);
benchParser.defineVar(z as IMTVariable);
// Compile the expression only once
benchParser.compile(Expr.Text);
// Generate random variable values...
int nbEvals = 400000;
double[] xval = new double[nbEvals];
double[] yval = new double[nbEvals];
double[] zval = new double[nbEvals];
System.Random r = new System.Random(100);
for (int i = 0; i < nbEvals; i += 1)
{
xval[i] = r.Next(0, 1000);
yval[i] = r.Next(0, 1000);
zval[i] = r.Next(0, 1000);
}
// Set values...
x.setValueVector(xval);
y.setValueVector(yval);
z.setValueVector(zval);
double[] results = new double[nbEvals]; // this will contain all the results after evaluations
long beginTime = 0;
long endTime = 0;
beginTime = GetTickCount(); // start the timer
benchParser.evaluateCompiledBatch(nbEvals, results); // do all evaluations in one call, avoiding multiple COM calls
endTime = GetTickCount(); // stop the timer
long elapsedTime = 0;
elapsedTime = endTime - beginTime;
long nbEvalSec = 0;
double timePerEval = 0;
timePerEval = elapsedTime / (double)nbEvals;
nbEvalSec = (long)(nbEvals / elapsedTime * 1000.0);
Msg.Text = "Nb. Evaluations: " + nbEvals;
Msg.Text = Msg.Text + Environment.NewLine;
Msg.Text = Msg.Text + "Elapsed time (ms): " + elapsedTime;
Msg.Text = Msg.Text + Environment.NewLine;
Msg.Text = Msg.Text + "Time per evaluation (ms): " + timePerEval;
Msg.Text = Msg.Text + Environment.NewLine;
Msg.Text = Msg.Text + "Nb. Eval per sec: " + nbEvalSec;
}
catch (Exception e)
{
Msg.Text = "Error: " + e.Message;
}
}
void Benchmark_Click(Object _sender, EventArgs _e1)
{
try
{
// For optimum performance evaluate in a batch...
// Redefine vector variables to contain multiple values
MTParser benchParser = new MTParser();
benchParser.copy( m_parser );
MTDoubleVector x = new MTDoubleVector();
MTDoubleVector y = new MTDoubleVector();
MTDoubleVector z = new MTDoubleVector();
x.create("x");
y.create("y");
z.create("z");
benchParser.undefineAllVars();
benchParser.defineVar(x as IMTVariable);
benchParser.defineVar(y as IMTVariable);
benchParser.defineVar(z as IMTVariable);
// Compile the expression only once
benchParser.compile(Expr.Text);
// Generate random variable values...
int nbEvals = 400000;
double[] xval = new double[nbEvals];
double[] yval = new double[nbEvals];
double[] zval = new double[nbEvals];
System.Random r = new System.Random(100);
for(int i = 0; i < nbEvals; i += 1)
{
xval[i] = r.Next(0, 1000);
yval[i] = r.Next(0, 1000);
zval[i] = r.Next(0, 1000);
}
// Set values...
x.setValueVector(xval);
y.setValueVector(yval);
z.setValueVector(zval);
double[] results = new double[nbEvals]; // this will contain all the results after evaluations
long beginTime = 0;
long endTime = 0;
beginTime = GetTickCount(); // start the timer
benchParser.evaluateCompiledBatch(nbEvals, results); // do all evaluations in one call, avoiding multiple COM calls
endTime = GetTickCount(); // stop the timer
long elapsedTime = 0;
elapsedTime = endTime - beginTime;
long nbEvalSec = 0;
double timePerEval = 0;
timePerEval = elapsedTime / (double)nbEvals;
nbEvalSec = (long)(nbEvals / elapsedTime * 1000.0);
Msg.Text = "Nb. Evaluations: " + nbEvals;
Msg.Text = Msg.Text + Environment.NewLine ;
Msg.Text = Msg.Text + "Elapsed time (ms): " + elapsedTime;
Msg.Text = Msg.Text + Environment.NewLine ;
Msg.Text = Msg.Text + "Time per evaluation (ms): " + timePerEval;
Msg.Text = Msg.Text + Environment.NewLine ;
Msg.Text = Msg.Text + "Nb. Eval per sec: " + nbEvalSec;
}
catch ( Exception e)
{
Msg.Text = "Error: " + e.Message;
}
}