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| 1 | +#[derive(Debug, Clone, serde::Serialize, serde::Deserialize, specta::Type)] |
| 2 | +pub struct GgmlBackend { |
| 3 | + pub kind: String, |
| 4 | + pub name: String, |
| 5 | + pub description: String, |
| 6 | + pub total_memory_mb: usize, |
| 7 | + pub free_memory_mb: usize, |
| 8 | +} |
| 9 | + |
| 10 | +#[cfg(any(feature = "actual", debug_assertions))] |
| 11 | +pub fn list_ggml_backends() -> Vec<GgmlBackend> { |
| 12 | + vec![] |
| 13 | +} |
| 14 | + |
| 15 | +// https://github.com/ggml-org/llama.cpp/blob/3a9457d/common/arg.cpp#L2300 |
| 16 | +#[cfg(all(feature = "actual", not(debug_assertions)))] |
| 17 | +pub fn list_ggml_backends() -> Vec<GgmlBackend> { |
| 18 | + use whisper_rs::whisper_rs_sys::{ |
| 19 | + ggml_backend_dev_count, ggml_backend_dev_description, ggml_backend_dev_get, |
| 20 | + ggml_backend_dev_memory, ggml_backend_dev_name, ggml_backend_dev_type, |
| 21 | + ggml_backend_dev_type_GGML_BACKEND_DEVICE_TYPE_ACCEL as GGML_BACKEND_DEVICE_TYPE_ACCEL, |
| 22 | + ggml_backend_dev_type_GGML_BACKEND_DEVICE_TYPE_CPU as GGML_BACKEND_DEVICE_TYPE_CPU, |
| 23 | + ggml_backend_dev_type_GGML_BACKEND_DEVICE_TYPE_GPU as GGML_BACKEND_DEVICE_TYPE_GPU, |
| 24 | + }; |
| 25 | + |
| 26 | + let count = unsafe { ggml_backend_dev_count() }; |
| 27 | + let mut devices = Vec::with_capacity(count); |
| 28 | + |
| 29 | + for i in 0..count { |
| 30 | + unsafe { |
| 31 | + let dev = ggml_backend_dev_get(i); |
| 32 | + |
| 33 | + let kind: String = match ggml_backend_dev_type(dev) { |
| 34 | + GGML_BACKEND_DEVICE_TYPE_CPU => "CPU".into(), |
| 35 | + GGML_BACKEND_DEVICE_TYPE_ACCEL => "ACCEL".into(), |
| 36 | + GGML_BACKEND_DEVICE_TYPE_GPU => "GPU".into(), |
| 37 | + _ => "UNKNOWN".into(), |
| 38 | + }; |
| 39 | + |
| 40 | + let name = std::ffi::CStr::from_ptr(ggml_backend_dev_name(dev)) |
| 41 | + .to_string_lossy() |
| 42 | + .into_owned(); |
| 43 | + let description = std::ffi::CStr::from_ptr(ggml_backend_dev_description(dev)) |
| 44 | + .to_string_lossy() |
| 45 | + .into_owned(); |
| 46 | + |
| 47 | + let mut free_mem: usize = 0; |
| 48 | + let mut total_mem: usize = 0; |
| 49 | + ggml_backend_dev_memory(dev, &mut free_mem, &mut total_mem); |
| 50 | + |
| 51 | + devices.push(GgmlBackend { |
| 52 | + kind, |
| 53 | + name, |
| 54 | + description, |
| 55 | + total_memory_mb: total_mem / 1024 / 1024, |
| 56 | + free_memory_mb: free_mem / 1024 / 1024, |
| 57 | + }); |
| 58 | + } |
| 59 | + } |
| 60 | + |
| 61 | + devices |
| 62 | +} |
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