"speedy performance" is correct and usable in written English.
It can be used to refer to a task or action that is done quickly and efficiently. For example, "His speedy performance of the task earned him a promotion."
His trim, speedy performance of the First Symphony embraced Beethoven's Classical roots but emphasized the composer's search for his own path.
TJ-II data were arranged in several tables with a flexible design, speedy performance, efficient search capacity and adaptability to meet present and future, requirements.
It was widely admired by chip engineers and matched up favorably with other processors in speedy performance of heavy-duty computing tasks.
Results: The combined effect of these components results in a system that enables speedy performance assessment of safety and health activities on construction sites.
The device takes its lead design-wise from the iPhone 5 and although it's not as high-spec, the lower priced phone is packed with a whopping 1GB ram for a speedy performance.
Amazon hyped three big selling points for the FireTV, including speedy performance, easier search, and an open content community.
His company ordered 10 G4s prior to Wednesday, and looked forward to the speedier performance of the new machines.
In addition to FTL, the new beta version of Mixer is also promising speedier performance overall, and increased stability.
The two main improvements of the new version are offline access with automatic synchronization — as previously seen in other web apps such as Gmail, Google Calendar or Google Docs – and considerably speedier performance.
But the rapid efficiency of the formulations, the trite existential analogy ("Perhaps, he thought, that was the tragedy of life"), the boxing of potentially complex thinking into a discrete unit of speedy novelistic performance — all this has the effect of closing down the S.R.S.G. rather than opening him up.
Get ready for some decently speedy graphics performance in your laptops.
