VM Performance Changes

Each VM release has included a number of changes that affect performance. Here are descriptions of the performance-related changes that have been made since VM/ESA 1.1.0.

• z/VM 6.2.0
• z/VM 5.4.0
• z/VM 5.3.0
• z/VM 5.2.0
• z/VM 5.1.0
• z/VM 4.4.0
• z/VM 4.3.0
• z/VM 4.2.0
• z/VM 4.1.0
• z/VM 3.1.0
• VM/ESA 2.4.0
• VM/ESA 2.3.0
• VM/ESA 2.2.0
• VM/ESA 2.1.0
• VM/ESA 1.2.2
• VM/ESA 1.2.1
• VM/ESA 1.2.0
• VM/ESA 1.1.1

The information for each release is organized as follows:

• Performance Improvements. Measurement results for many of these are provided in the corresponding VM performance report.
• Performance Considerations - These items can potentially have an adverse effect on performance.
• Performance Management - These items affect the performance management of a VM system.

Last updated 02 Dec 2011

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