MVAPICH2-X-AWS Changelog
------------------------
This file briefly describes the changes to the MVAPICH2-X-AWS software
package. The logs are arranged in the "most recent first" order.

MVAPICH2-X-AWS 2.3.7 (08/21/2022)
* Features and Enhancements
        - Based on MVAPICH2-X 
        - Improved inter-node latency & bandwidth performance
        - Add initial support for AWS hpc6a/c6a instances with 3rd generation AMD EPYC processors
        - Add support & performance optimization for AWS c6g/c7g with Amazon Graviton 2/3 ARM processors
        - Add initial support to rdma_read feature for AWS p4d instance type
        - Support for currently available basic OS types on AWS EC2 including: Amazon Linux 1/2, CentOS 7, Ubuntu 18.04/20.04
* Bug Fixes:
        - Fix issues of incorrectly detecting HCA devices on parallel cluster v3
        - Fix issues with mpirun_rsh launcher 
        - Fix issues related to qp creation on several instance types
                                                                        
MVAPICH2-X-AWS 2.3 (09/24/2020)

* Features and Enhancements
        - Based on MVAPICH2-X 2.3 GA
        - Improved inter-node latency and bandwidth performance for large messages
        - Optimized collectives
        - Support for dynamic run-time XPMEM module detection
        - Support for currently available basic OS types on AWS EC2 including: Amazon Linux 1/2, CentOS 6/7, Ubuntu 16.04/18.04

* Bug Fixes:
        - Fix issues of using UD protocol with medium and large messages
        - Fix issues with mpirun launcher
        - Fix several issues of some collectives for large scales

MVAPICH2-X-AWS 2.3 (08/12/2019)

* Features and Enhancements
	- Based on MVAPICH2-X 2.3
	- New design based on Amazon EFA adapter's Scalable Reliable Datagram (SRD) transport protocol
	- Support for XPMEM based intra-node communication for point-to-point and collectives
	- Enhanced tuning for point-to-point and collective operations
	- Targeted for AWS instances with Amazon Linux 2 AMI and EFA support
	- Tested with c5n.18xlarge instance