Support multiple instances for batch PA processing

Version: 2021b

Type: Features

Category: Analysis

Subcategory: Batch Processing

Jira: ORG-22164

Use Background Instance(s) to Process checkbox is added to paMultiY dialog.General speaking,the maximum numbers of instances is decided by numbers of physical cores and logical processors. you can access it by @cores and @logprocs.

The speed of improving: