Job Running Dramatically Slower after Upgrade

[MFisher]

This weekend we upgraded to a new IBMi machine at a new location with the same operating system.
One of our programs seems to be running a lot slower than normal. It's a reporting program, only reading LFs and PFs, with writes to a QTEMP file

Is there any way to look at history of how long it took to run in the past ? Any obscure system tables that have run history ?

Can anyone think of what might cause a program to suddenly run slower, without any obvious changes, other than a new machine ? If anything it should run faster.

[UserName10]

Regarding the job running slower I'd compare the subsystem description and job description on both systems.

[MFisher]

The old server is shut down, so I can't look at it. The new server was built from a SAVSYS and whatever other restores were needed to copy everything over from "OLD" to "NEW"