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HMSDK (Heterogeneous Memory Software Development Kit) is designed to support heterogeneous memory, especially CXL memory which is a new promising memory system based on a CXL (Compute Express Link) open industry standard.
This document describes the details of HMSDK with the sections below.
- HMSDK Design: Describes the overall HMSDK architecture, features, and how it works.
- User Guide: Describes how to install and use HMSDK.
- Performance Results: Describes the performance of the CXL memory system using HMSDK features.
HMSDK enables the efficient use of CXL; Memory for capacity and bandwidth expansion.
- CXL-aware Memory Allocator: Provides APIs for users to use CXL memory efficiently.
- Capacity Expander: Provides extended memory capacity with CXL memory.
- Bandwidth Expander: Provides maximized memory bandwidth with CXL memory.
- HMSDK enables the Linux kernel to manage heterogeneous memory better with a new memory policy.
- cemalloc (CXL expandable malloc) is a memory allocator for CXL memory.
- a set of tools for HMSDK.