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Investigate different approaches to binding to ggml

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还没有人认领这个 Issue。

评估

难度
4/5
预计耗时
3-5 天
新手友好度
30/100
Issue 类型
重构
描述清晰度
描述清楚
活跃度
停滞
技术栈
c, cmake, python

调研方向

检查 ggml/ggml.py 中现有的 ctypes binding 和 CMakeLists.txt 构建配置。研究 nanobind 和 SWIG 的测试分支,以了解集成尝试。目标是根据列出的要求评估各个 binding 系统:性能、可维护性、可扩展性以及与 ggml 构建系统的兼容性。在不实现完整解决方案的情况下,确定每种方法的权衡。

由索引模型根据 Issue 内容生成。

描述

Current Approach
Use scikit-build-core and a CMakeLists file in the root directory to compile ggml as a shared library and install it relative to the ggml/ggml.py file so that it can be loaded by ctypes.CDLL.

Issues with Current Approach

  • #define's are not accessible from the shared library, this is an issue for values that are computed on the host system at compile time.
  • Platform specific functions such as those for CUDA, OpenCL, and Metal are also awkward to conditionally support with the ctypes approach
  • Assuming the relative location of files in an installed package causes issues, especially when installing in ie. editable mode for local development.
  • Some arguments such as ctypes Array's require awkward typing workarounds.

Alternative Binding Systems

Requirements

  • Should be at least as fast as ctypes approach (large overhead is not acceptable for this application)
  • Should be simple to maintain (ggml changes often, should be at least as simple as ctypes to add new function definitions / types / etc)
  • Should be easy for others to extend or modify ggml
  • Should use ggml's existing build system and flags when compiling, should not limit which platforms / optimizations can be used
主要语言
Python
星标
152
派生
16
PR 合并指标
30 天内没有已合并 PR

环境准备

  • 没有 Dockerfile 或 Docker Compose 文件
  • 没有 Pull Request 模板
  • 阅读贡献指南

从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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