> why?

Because Perl doesn't have real lightweight, shared memory threads like you post is making me think might think (through perhaps no fault of your own).

> no, really, why?

You haven't mentioned anything about the computing environment - virtual, bare metal, one CPU, many vCPUs, etc? Can you replicate this via bash backgrounding child processes?

In reply to Re: Perl threads loss of performance with system call by perlfan
in thread Perl threads loss of performance with system call by daniel85

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