This commit is contained in:
106
docs/snippets/csharp/config/embedding_config.cs
Normal file
106
docs/snippets/csharp/config/embedding_config.cs
Normal file
@@ -0,0 +1,106 @@
|
||||
using Kreuzberg.Config;
|
||||
|
||||
public class EmbeddingConfigExample
|
||||
{
|
||||
public static void Main()
|
||||
{
|
||||
// Example 1: Preset model (recommended)
|
||||
// Fast, balanced, or quality preset configurations optimized for common use cases.
|
||||
var embeddingConfig = new EmbeddingConfig
|
||||
{
|
||||
Model = new EmbeddingModelType.Preset
|
||||
{
|
||||
Name = "balanced"
|
||||
},
|
||||
BatchSize = 32,
|
||||
Normalize = true,
|
||||
ShowDownloadProgress = true,
|
||||
CacheDir = "~/.cache/kreuzberg/embeddings"
|
||||
};
|
||||
|
||||
// Available presets:
|
||||
// - "fast" (384 dims): Quick prototyping, development, resource-constrained
|
||||
// - "balanced" (768 dims): Production, general-purpose RAG, English documents
|
||||
// - "quality" (1024 dims): Complex documents, maximum accuracy
|
||||
// - "multilingual" (768 dims): International documents, 100+ languages
|
||||
|
||||
|
||||
// Example 2: Custom ONNX model (requires embeddings feature)
|
||||
// Direct access to specific ONNX embedding models from HuggingFace with custom dimensions.
|
||||
embeddingConfig = new EmbeddingConfig
|
||||
{
|
||||
Model = new EmbeddingModelType.Custom
|
||||
{
|
||||
ModelId = "BAAI/bge-small-en-v1.5",
|
||||
Dimensions = 384
|
||||
},
|
||||
BatchSize = 32,
|
||||
Normalize = true,
|
||||
ShowDownloadProgress = true,
|
||||
CacheDir = null // Uses default: .kreuzberg/embeddings/
|
||||
};
|
||||
|
||||
// Popular ONNX-compatible models:
|
||||
// - "BAAI/bge-small-en-v1.5" (384 dims): Fast, efficient
|
||||
// - "BAAI/bge-base-en-v1.5" (768 dims): Balanced quality/speed
|
||||
// - "BAAI/bge-large-en-v1.5" (1024 dims): High quality, slower
|
||||
// - "sentence-transformers/paraphrase-multilingual-mpnet-base-v2" (768 dims): Multilingual support
|
||||
|
||||
|
||||
// Example 3: Alternative Custom ONNX Model
|
||||
// For advanced users wanting different ONNX embedding models.
|
||||
embeddingConfig = new EmbeddingConfig
|
||||
{
|
||||
Model = new EmbeddingModelType.Custom
|
||||
{
|
||||
ModelId = "sentence-transformers/all-mpnet-base-v2",
|
||||
Dimensions = 768
|
||||
},
|
||||
BatchSize = 16, // Larger model requires smaller batch size
|
||||
Normalize = true,
|
||||
ShowDownloadProgress = true,
|
||||
CacheDir = "/var/cache/embeddings"
|
||||
};
|
||||
|
||||
|
||||
// Integration with ChunkingConfig
|
||||
// Add embeddings to your chunking configuration:
|
||||
var chunkingConfig = new ChunkingConfig
|
||||
{
|
||||
MaxChars = 1024,
|
||||
MaxOverlap = 100,
|
||||
Preset = "balanced",
|
||||
Embedding = new EmbeddingConfig
|
||||
{
|
||||
Model = new EmbeddingModelType.Preset
|
||||
{
|
||||
Name = "balanced"
|
||||
},
|
||||
BatchSize = 32,
|
||||
Normalize = true
|
||||
}
|
||||
};
|
||||
|
||||
var extractionConfig = new ExtractionConfig
|
||||
{
|
||||
Chunking = chunkingConfig
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
// Key parameter explanations:
|
||||
//
|
||||
// BatchSize: Number of texts to embed at once (32-128 typical)
|
||||
// - Larger batches are faster but use more memory
|
||||
// - Smaller batches for resource-constrained environments
|
||||
//
|
||||
// Normalize: Whether to normalize vectors (L2 norm)
|
||||
// - true (recommended): Enables cosine similarity in vector DBs
|
||||
// - false: Raw embedding values
|
||||
//
|
||||
// CacheDir: Where to store downloaded models
|
||||
// - null: Uses .kreuzberg/embeddings/ in current directory
|
||||
// - String path: Custom directory for model storage
|
||||
//
|
||||
// ShowDownloadProgress: Display download progress bar
|
||||
// - Useful for monitoring large model downloads
|
||||
Reference in New Issue
Block a user