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Add simple metadata for a couple of models.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| // | ||
| // ModelInfo.swift | ||
| // Diffusion | ||
| // | ||
| // Created by Pedro Cuenca on 29/12/22. | ||
| // See LICENSE at https://github.com/huggingface/swift-coreml-diffusers/LICENSE | ||
| // | ||
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| import CoreML | ||
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| struct ModelInfo { | ||
| /// Hugging Face model Id that contains .zip archives with compiled Core ML models | ||
| let modelId: String | ||
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| /// Arbitrary string for presentation purposes. Something like "2.1-base" | ||
| let modelVersion: String | ||
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| /// Suffix of the archive containing the ORIGINAL attention variant. Usually something like "original_compiled" | ||
| let originalAttentionSuffix: String | ||
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| /// Suffix of the archive containing the SPLIT_EINSUM attention variant. Usually something like "split_einsum_compiled" | ||
| let splitAttentionName: String | ||
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| /// Whether the archive contains the VAE Encoder (for image to image tasks). Not yet in use. | ||
| let supportsEncoder: Bool | ||
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| init(modelId: String, modelVersion: String, originalAttentionSuffix: String = "original_compiled", splitAttentionName: String = "split_einsum_compiled", supportsEncoder: Bool = false) { | ||
| self.modelId = modelId | ||
| self.modelVersion = modelVersion | ||
| self.originalAttentionSuffix = originalAttentionSuffix | ||
| self.splitAttentionName = splitAttentionName | ||
| self.supportsEncoder = supportsEncoder | ||
| } | ||
| } | ||
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| extension ModelInfo { | ||
| /// Best variant for the current platform. | ||
| /// Currently using `split_einsum` for iOS and `original` for macOS, but could vary depending on model. | ||
| var bestURL: URL { | ||
| // Pattern: https://huggingface.co/pcuenq/coreml-stable-diffusion/resolve/main/coreml-stable-diffusion-v1-5_original_compiled.zip | ||
| let suffix = runningOnMac ? originalAttentionSuffix : splitAttentionName | ||
| let repo = modelId.split(separator: "/").last! | ||
| return URL(string: "https://huggingface.co/\(modelId)/resolve/main/\(repo)_\(suffix).zip")! | ||
| } | ||
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| /// Best units for current platform. | ||
| /// Currently using `cpuAndNeuralEngine` for iOS and `cpuAndGPU` for macOS, but could vary depending on model. | ||
| /// .all works for v1.4, but not for v1.5. | ||
| // TODO: measure performance on different devices. | ||
| var bestComputeUnits: MLComputeUnits { | ||
| return runningOnMac ? .cpuAndGPU : .cpuAndNeuralEngine | ||
| } | ||
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| var reduceMemory: Bool { | ||
| return !runningOnMac | ||
| } | ||
| } | ||
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| extension ModelInfo { | ||
| // TODO: repo does not exist yet | ||
| static let v14Base = ModelInfo( | ||
| modelId: "pcuenq/coreml-stable-diffusion-v1-4", | ||
| modelVersion: "1.4" | ||
| ) | ||
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| static let v15Base = ModelInfo( | ||
| modelId: "pcuenq/coreml-stable-diffusion-v1-5", | ||
| modelVersion: "1.5" | ||
| ) | ||
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| static let v2Base = ModelInfo( | ||
| modelId: "pcuenq/coreml-stable-diffusion-2-base", | ||
| modelVersion: "2-base" | ||
| ) | ||
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| static let v21Base = ModelInfo( | ||
| modelId: "pcuenq/coreml-stable-diffusion-2-1-base", | ||
| modelVersion: "2.1-base", | ||
| supportsEncoder: true | ||
| ) | ||
| } |
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