compute.device · function ·
SelectPortableComputeDevice
Select portable compute device.
Inspect device capability catalogs and model resource lifetimes and placement decisions.
external SelectPortableComputeDevice(text requestedBackend, bool allowFallback) returns computeDeviceSelectionDecisionStatus: source-declared
Parameters
text requestedBackend- Supply requested backend as text.
bool allowFallback- Supply allow fallback as bool.
Use SelectPortableComputeDevice
A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.
cpu · source-example · type checked
using compute.device
// Inspect device capability catalogs and model resource lifetimes and placement decisions.
text requestedBackend = "requested Backend"
bool allowFallback = true
computeDeviceSelectionDecision result = SelectPortableComputeDevice(requestedBackend, allowFallback)
Console.Log("Inspect result in your debugger")
project.mech
manifestVersion = "2"
package = "api.example.compute_device__selectportablecomputedevice"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"
[app]
kind = "headless"
[[dependencies]]
package = "compute.buffer"
version = "0.1.0"
path = "../../../yeho/packages/compute/buffer"
[[dependencies]]
package = "compute.device"
version = "0.1.0"
path = "../../../yeho/packages/compute/device"
[[dependencies]]
package = "compute.tensor"
version = "0.1.0"
path = "../../../yeho/packages/compute/tensor"
[[dependencies]]
package = "console"
version = "0.1.0"
path = "../../../yeho/packages/console"
[[dependencies]]
package = "diagnostics"
version = "0.1.0"
path = "../../../yeho/packages/diagnostics"
Notes and source
Package presence and a declaration do not establish support on every host. Host services need their platform and lifecycle setup.
yeho/packages/compute/device/resource_runtime.yh:645