private static Int64 GetInfo(Event e, CLProfilingInfo info)
{
Byte[] bytes = new Byte[8];
SizeT paramValueSizeRet = SizeT.Zero;
GCHandle bytesHandle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
{
OpenCLError.Validate(OpenCLDriver.clGetEventProfilingInfo(e.CLEvent, info, new SizeT(bytes.LongLength), bytesHandle.AddrOfPinnedObject(), ref paramValueSizeRet));
}
bytesHandle.Free();
return BitConverter.ToInt64(bytes, 0);
}
public static Int64 QueuedTick(Event e)
{
return GetInfo(e, CLProfilingInfo.Queued);
}
public static Int64 SubmitTick(Event e)
{
return GetInfo(e, CLProfilingInfo.Submit);
}
public static Int64 EndTick(Event e)
{
return GetInfo(e, CLProfilingInfo.End);
}
public static TimeSpan DurationTimespan(Event e)
{
return TimeSpan.FromSeconds(DurationSeconds(e));
}
public static Int64 DurationTicks(Event e)
{
return EndTick(e) - StartTick(e);
}
public static Double DurationSeconds(Event e)
{
return DurationTicks(e) * 1.0E-9;
}
public static Double DurationMilliseconds(Event e)
{
return DurationTicks(e) * 1.0E-6;
}