@mytec: iter3.5.0 ready for testing

backend/app/api/routes/gpu.py

@@ -0,0 +1,35 @@
+"""GPU management API endpoints."""
+
+from fastapi import APIRouter, HTTPException
+from pydantic import BaseModel
+
+from app.services.gpu_backend import gpu_manager
+
+router = APIRouter()
+
+
+class SetDeviceRequest(BaseModel):
+    backend: str
+    index: int = 0
+
+
+@router.get("/status")
+async def gpu_status():
+    """Return GPU manager status: active backend, device, available devices."""
+    return gpu_manager.get_status()
+
+
+@router.get("/devices")
+async def gpu_devices():
+    """Return list of available compute devices."""
+    return {"devices": gpu_manager.get_devices()}
+
+
+@router.post("/set")
+async def gpu_set_device(request: SetDeviceRequest):
+    """Switch active compute device."""
+    try:
+        result = gpu_manager.set_device(request.backend, request.index)
+        return {"status": "ok", **result}
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))