static string TestCopyIntsDeviceToDevice()
{
string testName = "TestCopyIntsDeviceToDevice";
uint arrayLen = 1000;
var alist = Enumerable.Range(4, (int)arrayLen).ToArray();
var aa = new CudaArray();
IntPtr devDataA = new System.IntPtr();
IntPtr devDataB = new System.IntPtr();
var retlist = new int[(int)arrayLen];
try
{
var res = aa.ResetDevice();
res = res + aa.MallocIntsOnDevice(ref devDataA, arrayLen);
res = res + aa.MallocIntsOnDevice(ref devDataB, arrayLen);
res = res + aa.CopyIntsToDevice(alist, devDataA, arrayLen);
res = res + aa.CopyIntsDeviceToDevice(devDataB, devDataA, arrayLen);
res = res + aa.CopyIntsFromDevice(retlist, devDataB, arrayLen);
res = res + aa.ReleaseDevicePtr(devDataA);
res = res + aa.ReleaseDevicePtr(devDataB);
if (!alist.SequenceEqual(retlist))
{
return(testName + " fail: sequences do not match");
}
if (res != String.Empty)
{
return(testName + " fail: " + res);
}
return(testName + " pass");
}
catch (Exception ex)
{
return(testName + " exception " + ex.Message);
}
finally
{
aa.ReleaseDevicePtr(devDataA);
aa.ReleaseDevicePtr(devDataB);
aa.ResetDevice();
}
}