{"id":"compute.device--SelectPortableComputeDevice","name":"SelectPortableComputeDevice","owner":"yeho","package":"compute.device","kind":"function","signature":"external SelectPortableComputeDevice(text requestedBackend, bool allowFallback) returns computeDeviceSelectionDecision","description":"Select portable compute device.","context":"Inspect device capability catalogs and model resource lifetimes and placement decisions.","parameters":[{"name":"requestedBackend","type":"text","description":"Supply requested backend as text."},{"name":"allowFallback","type":"bool","description":"Supply allow fallback as bool."}],"returns":"computeDeviceSelectionDecision","members":[],"tags":["compute","compute.device","cpu","device","function","source-example","yeho"],"updated":"2026-09-09","source":{"repository":"yeho","path":"packages/compute/device/resource_runtime.yh","line":645,"sha256":"2a92eeb7f80b133685f1201e550fc5c4e9cd54eda12e6a9f9d05bf033efb60f0"},"status":"source-declared","notes":["Package presence and a declaration do not establish support on every host. Host services need their platform and lifecycle setup."],"examples":[{"id":"usage","title":"Use SelectPortableComputeDevice","description":"A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.","code":"using compute.device\n\n// Inspect device capability catalogs and model resource lifetimes and placement decisions.\ntext requestedBackend = \"requested Backend\"\nbool allowFallback = true\ncomputeDeviceSelectionDecision result = SelectPortableComputeDevice(requestedBackend, allowFallback)\nConsole.Log(\"Inspect result in your debugger\")\n","manifest":"manifestVersion = \"2\"\npackage = \"api.example.compute_device__selectportablecomputedevice\"\nversion = \"0.1.0\"\nlanguageEdition = \"yeho-core-2026.1\"\n\n[app]\nkind = \"headless\"\n\n[[dependencies]]\npackage = \"compute.buffer\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/compute/buffer\"\n\n[[dependencies]]\npackage = \"compute.device\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/compute/device\"\n\n[[dependencies]]\npackage = \"compute.tensor\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/compute/tensor\"\n\n[[dependencies]]\npackage = \"console\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/console\"\n\n[[dependencies]]\npackage = \"diagnostics\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/diagnostics\"\n","tags":["cpu","source-example"],"verification":"type checked","run":"cpu-oracle","sha256":"59206ea24db53f5dc15472ae872a4812916a99b8cf67e14b5f0f6a6c92153e5c","checked":"2026-09-09","diagnostic":"","observedOutput":null,"checkedBackend":null}],"searchTerms":[],"url":"https://demonhunterlabs.com/academy/api?item=compute.device--SelectPortableComputeDevice","json":"https://demonhunterlabs.com/reference/items/compute.device--SelectPortableComputeDevice.json","markdown":"https://demonhunterlabs.com/reference/text/compute.device--SelectPortableComputeDevice.md"}