compute.device · thing · Updated 2026-09-09

devicePlacementPlan

A device placement plan record carrying workload, requestedBackend, resolvedBackend, resolvedFamily, fallbackUsed, and related state.

computecompute.devicecpudevicemethodsource-examplethingyeho

Inspect device capability catalogs and model resource lifetimes and placement decisions.

external thing devicePlacementPlan

Status: source-declared

Fields and methods (10)

text workload: Stores workload as text.
text requestedBackend: Stores requested backend as text.
text resolvedBackend: Stores resolved backend as text.
text resolvedFamily: Stores resolved family as text.
bool fallbackUsed: Stores fallback used as bool.
text reason: Stores reason as text.
text notes: Stores notes as text.
devicePlacementPlan(text workload, text requestedBackend, text resolvedBackend, text resolvedFamily, bool fallbackUsed, text reason, text notes): Device placement plan.
UseFallback(text resolvedBackend, text resolvedFamily, text reason, text notes): Use fallback. Complete example
Describe() returns text: Describe. Complete example

Use devicePlacementPlan

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.
devicePlacementPlan sample = devicePlacementPlan("workload", "requested Backend", "resolved Backend", "resolved Family", true, "reason", "notes")
Console.Log(Text.From(sample.workload))

project.mech

manifestVersion = "2"
package = "api.example.compute_device__deviceplacementplan"
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"

devicePlacementPlan.UseFallback

A complete caller for this public method. Sample inputs are illustrative; native resources require their owning lifecycle.

cpu · method · source-example · type checked

using compute.device

// Use fallback.
devicePlacementPlan instance = devicePlacementPlan("workload", "requested Backend", "resolved Backend", "resolved Family", true, "reason", "notes")
text argument_resolvedBackend = "argument resolved Backend"
text argument_resolvedFamily = "argument resolved Family"
text argument_reason = "argument reason"
text argument_notes = "argument notes"
instance.UseFallback(argument_resolvedBackend, argument_resolvedFamily, argument_reason, argument_notes)
Console.Log("UseFallback completed")

project.mech

manifestVersion = "2"
package = "api.example.compute_device__deviceplacementplan"
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"

devicePlacementPlan.Describe

A complete caller for this public method. Sample inputs are illustrative; native resources require their owning lifecycle.

cpu · method · source-example · type checked

using compute.device

// Describe.
devicePlacementPlan instance = devicePlacementPlan("workload", "requested Backend", "resolved Backend", "resolved Family", true, "reason", "notes")
text result = instance.Describe()
Console.Log(Text.From(result))

project.mech

manifestVersion = "2"
package = "api.example.compute_device__deviceplacementplan"
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/device.yh:108