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```

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feat(iOS): 更新MNN后端模型配置优化性能

将MNN主模型从Qwen3.5-4B(~2.64GiB)降级为Qwen3.5-2B(~1.1GiB)，因为4B版本
实测运行过慢，影响用户体验。iPhone17+/SME2设备使用2B模型，保留MLX
兜底方案用于模拟器和备用场景，确保AI推理性能和存储效率的平衡。
```
This commit is contained in:
link2026
2026-06-09 22:20:07 +08:00
parent ca5a3fa38b
commit b79ae54b7b
40 changed files with 1327 additions and 452 deletions
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14
康康Tests/ModelManifestTests.swift
View File

@@ -13,19 +13,19 @@ struct ModelManifestTests {
}
@Test func llmTotalBytesMatchesManifest() {
#expect(ModelManifest.totalBytes(for: .llm) == 3_061_129_077)
#expect(ModelManifest.totalBytes(for: .llm) == 1_749_079_691)
}
@Test func vlTotalBytesMatchesManifest() {
#expect(ModelManifest.totalBytes(for: .vl) == 3_109_729_929)
}
@Test func mnnHasSevenFunctionalFiles() {
#expect(ModelManifest.files(for: .mnnLLM).count == 7)
@Test func mnnHasSixFunctionalFiles() {
#expect(ModelManifest.files(for: .mnnLLM).count == 6)
}
@Test func mnnTotalBytesMatchesManifest() {
#expect(ModelManifest.totalBytes(for: .mnnLLM) == 2_836_770_850)
#expect(ModelManifest.totalBytes(for: .mnnLLM) == 1_185_759_005)
}
@Test func mnnHasEssentialRuntimeFiles() {
@@ -39,7 +39,7 @@ struct ModelManifestTests {
@Test func mnnFileURLUsesRepoPath() {
let file = ModelFile(path: "config.json", bytes: 652)
let url = ModelManifest.fileURL(for: .mnnLLM, file: file)
#expect(url.absoluteString == "https://file.myv0.com/Qwen3.5-4B-MNN/config.json")
#expect(url.absoluteString == "https://file.myv0.com/Qwen3.5-2B-MNN/config.json")
}
@Test func excludesReadmeAndGitattributes() {
@@ -62,8 +62,8 @@ struct ModelManifestTests {
}
@Test func fileURLIsBaseSlashRepoSlashPath() {
let file = ModelFile(path: "config.json", bytes: 3_366)
let file = ModelFile(path: "config.json", bytes: 3_113)
let url = ModelManifest.fileURL(for: .llm, file: file)
#expect(url.absoluteString == "https://file.myv0.com/Qwen3.5-4B-4bit/config.json")
#expect(url.absoluteString == "https://file.myv0.com/Qwen3.5-2B-4bit/config.json")
}
}