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WgpuBackend

qualia_core_db::platform::compute_bridge::matrix

Struct WgpuBackend 

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pub struct WgpuBackend;
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Portable wgpu backend. Measures DenseLinear via the existing GEMV probe; other classes have no portable GPU microkernel yet (returns no rows — honest).

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impl ProbeableBackend for WgpuBackend

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fn id(&self) -> BackendId

Stable identifier ("cpu", "wgpu", "cuda", …).
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fn available(&self) -> bool

Is this backend’s runtime/SDK present and usable on THIS machine? A false backend contributes no rows and is never selected.
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fn probe_class( &self, class: KernelClass, panel: &KernelPanel, ) -> Vec<CircuitBench>

Measure this backend on one kernel class, returning a row per physical circuit it can drive (e.g. wgpu returns one row per adapter). Empty when the backend cannot run the class or is unavailable — recorded honestly as “no rows,” never a fabricated number.

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Aggregate shares in an MPC protocol.
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