protected static void GarbageCollectRandClr(REngine engine)
{
GC.Collect();
// it seems important to call gc() twice to get a proper baseline.
engine.ForceGarbageCollection();
engine.ForceGarbageCollection();
}
protected static void GarbageCollectRandClr(REngine engine)
{
// it seems needed to call gc() twice to get a proper baseline.
REngine.DoDotNetGarbageCollection();
engine.ForceGarbageCollection();
REngine.DoDotNetGarbageCollection();
engine.ForceGarbageCollection();
}
public Measurement[] DoMeasures(IDictionary <string, Action <REngine, int, Stopwatch> > funMap,
string[] types = null, int[] sizes = null, string what = null, string operation = null, string tag = null, bool printToConsole = true, bool forceGC = true)
{
if (types == null)
{
types = this.Types;
}
if (sizes == null)
{
sizes = this.Sizes;
}
if (what == null)
{
what = this.What;
}
if (operation == null)
{
operation = this.Operation;
}
if (tag == null)
{
tag = this.Tag;
}
var measures = new List <Measurement>();
foreach (string type in types)
{
for (int i = 0; i < sizes.Length; i++)
{
if (forceGC)
{
engine.ForceGarbageCollection();
}
var m = MeasureRuntimeOperation(funMap[type], sizes[i], type, operation, what, tag);
measures.Add(m);
if (printToConsole)
{
Console.WriteLine(PrintRuntimeOperation(m));
}
}
}
return(measures.ToArray());
}
private static void ReproWorkitem43(REngine engine)
{
Random r = new Random(0);
int N = 500;
int n1 = 207;
int n2 = 623;
var arGroup1Intensities = new double[N][];
var arGroup2Intensities = new double[N][];
for (int i = 0; i < N; i++)
{
arGroup1Intensities[i] = new double[n1];
arGroup2Intensities[i] = new double[n2];
for (int j = 0; j < n1; j++)
arGroup1Intensities[i][j] = r.NextDouble();
for (int j = 0; j < n2; j++)
arGroup2Intensities[i][j] = r.NextDouble();
}
var res = new GenericVector[N];
NumericVector vGroup1, vGroup2;
for (int i = 0; i < N; i++)
{
vGroup1 = engine.CreateNumericVector(arGroup1Intensities[i]);
Console.WriteLine(vGroup1.Length);
if (i % 10 == 4)
{
engine.ForceGarbageCollection();
engine.ForceGarbageCollection();
}
vGroup2 = engine.CreateNumericVector(arGroup2Intensities[i]);
Console.WriteLine(vGroup2.Length);
engine.SetSymbol("group1", vGroup1);
engine.SetSymbol("group2", vGroup2);
GenericVector testResult = engine.Evaluate("t.test(group1, group2)").AsList();
res[i] = testResult;
}
}
private static void ReproDiscussion532760(REngine engine)
{
// https://rdotnet.codeplex.com/discussions/532760
//> x <- data.frame(1:1e6, row.names=format(1:1e6))
//> object.size(x)
//60000672 bytes
//> object.size(rownames(x))
//56000040 bytes
engine.Evaluate("x <- data.frame(1:1e6, row.names=format(1:1e6))");
var x = engine.GetSymbol("x").AsDataFrame();
engine.ForceGarbageCollection();
engine.ForceGarbageCollection();
var memoryInitial = engine.Evaluate("memory.size()").AsNumeric().First();
var netMemBefore = GC.GetTotalMemory(true);
var blah = x.RowNames;
//var blah = engine.Evaluate("rownames(x)").AsCharacter().ToArray();
blah = null;
GC.Collect();
engine.ForceGarbageCollection();
engine.ForceGarbageCollection();
var memoryAfterAlloc = engine.Evaluate("memory.size()").AsNumeric().First();
var netMemAfter = GC.GetTotalMemory(false);
}