public static void ProcessInEnv(Action <IComputationEnvironment> lambda, IFactory factory)
{
var env = factory.AllocateComputationEnv();
lambda(env);
factory.FreeComputationEnv(env);
}
public static IMatrix ProcessInEnv(Func <IComputationEnvironment, IMatrix> lambda, IFactory factory)
{
var env = factory.AllocateComputationEnv();
var res = lambda(env);
factory.FreeComputationEnv(env);
return(res);
}
public void Permute()
{
var env = Factory.AllocateComputationEnv();
var values = Enumerable.Range(1, 10).Select(x => (double)x).ToArray();
var v = Factory.GetEncryptedVector(Vector <double> .Build.DenseOfArray(values), EVectorFormat.dense, 1);
var I1 = new Tuple <int, double>[] { new Tuple <int, double>(1, 1.0), new Tuple <int, double>(4, 1.0) };
var I2 = new Tuple <int, double>[] { new Tuple <int, double>(3, 1.0), new Tuple <int, double>(6, 1.0) };
var S1 = Vector <double> .Build.SparseOfIndexed(10, I1);
var S2 = Vector <double> .Build.SparseOfIndexed(10, I2);
var sel1 = Factory.GetPlainVector(S1, EVectorFormat.dense, 1);
var sel2 = Factory.GetPlainVector(S2, EVectorFormat.dense, 1);
var w = v.Permute(new IVector[] { sel1, sel2 }, new int[] { 1, 2 }, 5, env);
var dec = w.Decrypt(env);
var exp = Vector <double> .Build.DenseOfArray(new double[] { 2, 4, 0, 5, 7 });
Compare(exp, dec);
}
public static void ParallelProcessInEnv(int count, IComputationEnvironment masterEnv, IFactory factory, Action <IComputationEnvironment, int, int> lambda)
{
if (count < 2)
{
int taskID = 0;
if (masterEnv != null)
{
for (int k = 0; k < count; k++)
{
lambda(masterEnv, taskID, k);
}
}
else
{
ProcessInEnv((env) =>
{
for (int k = 0; k < count; k++)
{
lambda(env, taskID, k);
}
}, factory);
}
}
else
{
int nextItem = -1;
int threadCount = (Defaults.ThreadCount > count) ? count : Defaults.ThreadCount;
Task[] tasks = new Task[threadCount];
for (int tsk = 0; tsk < tasks.Length; tsk++)
{
int taskIndex = tsk;
tasks[tsk] = Task.Run(() =>
{
int currentTask = (int)Task.CurrentId;
var env = factory.AllocateComputationEnv();
int k = 0;
while (k < count)
{
k = Interlocked.Increment(ref nextItem);
if (k >= count)
{
break;
}
lambda(env, taskIndex, k);
}
factory.FreeComputationEnv(env);
});
}
Task.WaitAll(tasks);
}
}
