Meanings of degrade performance in English

It can't resolve a course anywhere and it's starting to degrade performance on other systems.

Repeaters, routers, and switches all degrade performance somewhat.

Excessive commits will degrade performance.

Field-of-view (FOV) restrictions are known to affect human behaviour and to degrade performance for a range of different tasks.

Intel downplayed concerns that software updates to address security vulnerabilities in its computer chips will degrade performance of computers as bus(...)

What this degraded performance may be I have not the least notion.

Amazon claims you can permanently delete the voice recordings, though wiping them degrades performance.

Operators thus know when and where to expect degraded performance.

Increasing to four or more hostnames actually degraded performance for larger images, because of the overhead of off-site requests and "CPU thrashing."