ggerganov/ggml
Ggml
ggml is a low-level C++ tensor library and machine learning inference engine designed for performing mathematical operations on multi-dimensional arrays across diverse hardware platforms. It provides a foundational toolset for executing machine learning models and calculating mathematical gradients through an automatic differentiation library.
The project features a quantized tensor framework that converts floating-point weights into integer representations to reduce memory usage and increase inference speed. It utilizes a custom binary format for model serialization to ensure rapid loading and consistent versioning across different platforms.
The system covers a broad range of machine learning primitives, including graph-based computation for optimizing execution flow and parameter optimization for updating model weights. Its capabilities extend to neural network training and the deployment of large language models on consumer hardware.
Features
- C Tensor Libraries - Provides a low-level C-based library for performing mathematical operations on multi-dimensional arrays.
- Automatic Differentiation Engines - Implements an engine that tracks operation dependencies to calculate gradients for model parameter updates.
- Computational Graphs - Represents machine learning models as directed graphs of tensor operations to optimize execution and memory.
- Hardware Acceleration Backends - Maps generic tensor operations to optimized machine instructions for various CPU and GPU architectures.
- Inference Engines - Acts as a runtime environment for executing pre-trained neural network models with optimized performance.
- Inference Optimization - Optimizes model execution speed and reduces memory usage for running large neural networks on consumer hardware.
- Tensor Libraries - Provides fundamental data structures and mathematical functions required for building custom high-dimensional array computations.
- Tensor Operations - Performs low-level manipulations and transformations of multi-dimensional data structures across hardware platforms.
- Model Quantization Frameworks - Implements a framework that converts high-precision weights into lower-precision formats to reduce model size.
- Weight Quantization - Converts high-precision floating point weights into low-bit integer formats to reduce memory usage.
- Low-Level Tensor Libraries - Ships a low-level library for performing mathematical operations on multi-dimensional arrays without high-level abstractions.
- Model Serialization - Implements binary formats for saving and loading model states and metadata to ensure consistency across hardware.
- Neural Network Training - Supports updating model weights and optimizing performance via automatic gradient calculations.
- Optimization Algorithms - Provides mathematical methods for updating model parameters to minimize loss functions during training.
- Local Model Deployment - Enables the deployment of large language models on local hardware using memory-efficient quantization.
- Binary Serialization Formats - Provides a custom binary serialization format for tensors and metadata to ensure rapid loading across platforms.
- Cross-Platform Runtimes - Ensures consistent model execution across diverse hardware architectures through portable tensor operations.
- Machine Learning - Tensor library with quantization support.
Star history
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