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Re: Parallelization of shell scripts for 'configure' etc.

From: Paul Eggert
Subject: Re: Parallelization of shell scripts for 'configure' etc.
Date: Tue, 14 Jun 2022 20:12:04 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1

On 6/14/22 10:11, Nick Bowler wrote:

The resulting config.h is correct but pa.sh took almost 1 minute to run
the configure script, about ten times longer than dash takes to run the
same script.  More than half of that time appears to be spent just
loading the program into pa.sh, before a single shell command is
actually executed.

Ouch. Thanks for looking into this, and sorry it took so much of your time. It appears that PaSh itself isn't suitable for prime-time use. This isn't too surprising, though, as it's a research project and I wouldn't expect it to compete with production shells. The main question here is whether the ideas of PaSh are good ones for improving Bash.

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