Learn how to use Python’s async functions, threads ... As a result, threads shouldn’t be used for CPU-intensive work. If you run a CPU-intensive operation in a thread, it will be paused ...

Spiffy and convenient as Python is, most everyone who uses the language knows it’s comparatively creaky—orders of magnitude slower than C, Java, or JavaScript for CPU-intensive work.

Earlier, the company introduced Lambda SnapStart for Java functions to reduce cold starts. With the SnapStart for Python and .NET ... device state, CPU registers, and the like.