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();
}
}
static string TestMakeNormalRands()
{
string testName = "TestMakeNormalRands";
var rdo = new RandoClr.RandoProcs();
var aa = new CudaArray();
uint arrayLen = 1000;
int seed = 1234;
IntPtr devRando = new IntPtr();
IntPtr devData = new IntPtr();
var retlist = new float[(int)arrayLen];
try
{
var res = aa.ResetDevice();
res = res + rdo.MakeGenerator64(ref devRando, seed);
res = res + aa.MallocFloatsOnDevice(ref devData, arrayLen);
res = res + rdo.MakeNormalRands(devData, devRando, arrayLen, 0.0f, 1.0f);
res = res + aa.CopyFloatsFromDevice(retlist, devData, arrayLen);
res = res + aa.ReleaseDevicePtr(devData);
res = res + rdo.DestroyGenerator(devRando);
if (res != String.Empty)
{
return(testName + " fail: " + res);
}
return(testName + " pass");
}
catch
{
return(testName + " fail");
}
finally
{
//rdo.DestroyGenerator(devRando);
aa.ReleaseDevicePtr(devData);
aa.ResetDevice();
}
}
public static string ClearOnDevice(out GpuMatrix gmOut, GpuMatrix gmIn)
{
if (gmIn.DevHostState == DevHostState.DeviceNotAllocated)
{
gmOut = null;
return("Device data pointer already cleared");
}
var aa = new CudaArray();
var strRet = aa.ReleaseDevicePtr(gmIn.DevPtr);
if (!String.IsNullOrEmpty(strRet))
{
gmOut = null;
return(strRet);
}
gmOut = new GpuMatrix(
matrix: gmIn.Matrix,
devPtr: new IntPtr(),
devHostState: DevHostState.DeviceNotAllocated);
return(String.Empty);
}