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Image encoder resources management fix #182

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merged 2 commits into from
May 7, 2023
Merged

Image encoder resources management fix #182

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814316e
Unload image encoder for image2image in reduceMemory mode
OlegPonomaryov May 4, 2023
2417fe5
Include image encoder to resource management functions
OlegPonomaryov May 6, 2023
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6 changes: 6 additions & 0 deletions swift/StableDiffusion/pipeline/StableDiffusionPipeline.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,7 @@ public struct StableDiffusionPipeline: ResourceManaging {
try textEncoder.loadResources()
try unet.loadResources()
try decoder.loadResources()
try encoder?.loadResources()
try controlNet?.loadResources()
try safetyChecker?.loadResources()
}
Expand All @@ -111,6 +112,7 @@ public struct StableDiffusionPipeline: ResourceManaging {
textEncoder.unloadResources()
unet.unloadResources()
decoder.unloadResources()
encoder?.unloadResources()
controlNet?.unloadResources()
safetyChecker?.unloadResources()
}
Expand All @@ -120,6 +122,7 @@ public struct StableDiffusionPipeline: ResourceManaging {
try textEncoder.prewarmResources()
try unet.prewarmResources()
try decoder.prewarmResources()
try encoder?.prewarmResources()
try controlNet?.prewarmResources()
try safetyChecker?.prewarmResources()
}
Expand Down Expand Up @@ -162,6 +165,9 @@ public struct StableDiffusionPipeline: ResourceManaging {

// Generate random latent samples from specified seed
var latents: [MLShapedArray<Float32>] = try generateLatentSamples(configuration: config, scheduler: scheduler[0])
if reduceMemory {
encoder?.unloadResources()
}
let timestepStrength: Float? = config.mode == .imageToImage ? config.strength : nil

// Convert cgImage for ControlNet into MLShapedArray
Expand Down