The phrase "at its peak performance" is correct and usable in written English.
It can be used to describe a situation where something is functioning at its highest level of efficiency or effectiveness.
Example: "The engine is running at its peak performance, ensuring optimal fuel efficiency and power output."
Alternatives: "at its optimal performance" or "at maximum efficiency".
Research suggests that the mind is at its peak performance when it focuses completely on a single objective.
This is the United States health care system at its peak performance.
The pixel filling rate can reach to 40 Mpixel/s at its peak performance.
If you're the engineers behind China's Tianhe 1A, the number 4.7 means a lot – it's the number of petaflops (as in floating point operations per second) that the "world's fastest" supercomputer can chew through at its peak performance.
An organization is at its peak performance when everyone is going in the same direction.
Together, as part of a varied diet, these food groups work together to create an intricate balance of nutrients that your body needs to function at its peak performance.
The group, which was founded by Mr. Sheffer in 1995, had about four productions a year with up to 20 performances, and "at its peak" had an annual operating budget of about $2.5 million, he said.
That's simply a byproduct of a more immediate goal — having his team realize its peak performance at any given moment.
At its peak, we presented 200 performances a year in New York and undertook annual tours to Los Angeles and Washington.
If the controller were to background garbage collect all of the spare blocks before it was absolutely necessary, new data written from the host could be written without having to move any data in advance, letting the performance operate at its peak speed.
The body, both when it is at peak performance and when it is ready for the junkyard (or graveyard) plays a vital role in a person's spiritual development.
