Im trying to use dl workbench on devcloud but one I selected the model , I can not select any devices except CPU (many core and th genertation ), even myriad or gpu or anything else , what is the problem please.
You have posted your question in the wrong forum. This forum is for Intel Compute Stick products (not including Intel Neural Compute Stick, which has its own forum).
Unfortunately, I cannot move your question. You will need to create a new question in the appropriate forum.