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> In my experience, thread pools introduce latency.

The headline uses a the word "performance" which is rather ambiguous.

Performance has many aspects: Latency, through-put, resource-usage (doing more with less), etc etc.

A more specific headline wouldn't hurt.

In the benchmarks reported in the article, both through-put and latency were significantly improved by the new thread pool system.

Being specific about the area being improved (blocking operations with the example of file reads) could be nice.