static string TestCopyFloatsDeviceToDevice()
{
string testName = "TestCopyFloatsDeviceToDevice";
uint arrayLen = 1000;
var alist = Enumerable.Range(4, (int)arrayLen).Select(t => (float)t).ToArray();
var aa = new CudaArray();
IntPtr devDataA = new System.IntPtr();
IntPtr devDataB = new System.IntPtr();
var retlist = new float[(int)arrayLen];
try
{
var res = aa.ResetDevice();
res = res + aa.MallocFloatsOnDevice(ref devDataA, arrayLen);
res = res + aa.MallocFloatsOnDevice(ref devDataB, arrayLen);
res = res + aa.CopyFloatsToDevice(alist, devDataA, arrayLen);
res = res + aa.CopyFloatsDeviceToDevice(devDataB, devDataA, arrayLen);
res = res + aa.CopyFloatsFromDevice(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();
}
}