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GpuDevicePool

trueno::backends::gpu

Struct GpuDevicePool 

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pub struct GpuDevicePool { /* private fields */ }
Expand description

Pool of GPU devices for multi-GPU workloads

Thin wrapper over Vec<GpuDevice> that handles enumeration and selective device opening.

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impl GpuDevicePool

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pub fn all() -> Result<Self, String>

Open all available non-CPU GPU adapters

Filters out adapters with Noop backend (CPU fallback).

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pub async fn all_async() -> Result<Self, String>

Open all available non-CPU GPU adapters (async)

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pub fn with_indices(adapter_indices: &[u32]) -> Result<Self, String>

Open specific GPU adapters by index

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pub async fn with_indices_async(adapter_indices: &[u32]) -> Result<Self, String>

Open specific GPU adapters by index (async)

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pub fn len(&self) -> usize

Number of devices in the pool

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pub fn is_empty(&self) -> bool

Whether the pool is empty

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pub fn get(&self, pool_index: usize) -> Option<&GpuDevice>

Get a device by pool position (0-based within this pool)

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pub fn adapter_index(&self, pool_index: usize) -> Option<u32>

Get the adapter index for a pool position

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pub fn iter(&self) -> impl Iterator<Item = (u32, &GpuDevice)>

Iterate over (adapter_index, device) pairs

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pub fn into_devices(self) -> Vec<GpuDevice>

Consume the pool and return the devices

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