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Re:Tcl is faster than Python for database benchmarking by BiteCode_dev on Wednesday November 02, 2022 @08:35AM (#33434712)
nmap has a serialization cost, and sharing complex data structures is hard with it.

It's also different than multiprocesses as it will likely take less RAM.

Python is explorer multiple interpreters for these reasons. Python 3.8 SharedMemory works well, it's far from transparent.

Re:Tcl is faster than Python for database benchmarking by tyingq on Wednesday November 02, 2022 @01:26PM (#33439611)
>mmap has a serialization cost

It does, though there should be optimized ways to do that if it's message passing and not object passing.