ScaleChartpublic class ScaleChart extends Object
| Fields Summary |
|---|
| private int | nIter | | private int | nRows | | private int | nCols | | private int | nThreads | | Class | target |
| Constructors Summary |
|---|
ScaleChart(int nIter, int nRows, int nCols, int nThreads, String className)
this.nIter = nIter;
this.nRows = nRows;
this.nCols = nCols;
this.nThreads = nThreads;
try {
target = Class.forName(className);
} catch (ClassNotFoundException cnfe) {
System.out.println(cnfe);
System.exit(-1);
}
|
| Methods Summary |
|---|
| void | chart()
long sumTime = 0;
long startLoop = System.currentTimeMillis();
try {
ScaleTester st = (ScaleTester) target.newInstance();
for (int i = 0; i < nIter; i++) {
st.init(nRows, nCols, nThreads);
long then = System.currentTimeMillis();
float ans[][] = st.doCalc();
long now = System.currentTimeMillis();
sumTime += (now - then);
if (nIter == 1)
dump(ans, System.out);
}
} catch (Exception e) {
e.printStackTrace();
System.exit(-1);
}
long endLoop = System.currentTimeMillis();
long calcTime = endLoop - startLoop;
System.err.println("Loop time " + sumTime +
" (" + ((sumTime * 100) / calcTime) + "%)");
System.err.println("Calculation time " + calcTime);
| | private void | dump(float[][] ans, java.io.PrintStream ps)
NumberFormat nf = NumberFormat.getInstance();
nf.setMaximumFractionDigits(4);
for (int i = 0; i < ans.length; i++) {
for (int j = 0; j < ans[i].length; j++)
ps.print(nf.format(ans[i][j]) + " ");
ps.println("");
}
| | public static void | main(java.lang.String[] args)
if (args.length != 5) {
System.out.println("Usage: java ScaleTester nIter nRows nCols nThreads className");
System.exit(-1);
}
ScaleChart sc = new ScaleChart(Integer.parseInt(args[0]),
Integer.parseInt(args[1]),
Integer.parseInt(args[2]),
Integer.parseInt(args[3]),
args[4]);
CPUSupport.setConcurrency(Integer.parseInt(args[3]) + 5);
sc.chart();
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