[ale] Bash vs Perl

[Ed Cashin]

A few times (in the mid 2000s) I prototyped in shell only to switch to ruby
to avoid the overhead of forking.  It was still a huge performance
improvement, even with the interpreted language.  It depends a lot on what
the program is doing.


On Mon, Oct 24, 2016 at 12:55 PM, leam hall <leamhall at gmail.com> wrote:

> I'm not sure I know a lot of Ruby either, but the logic is the same.
> Calling sub-programs is expensive in terms of minute measurements. Overall,
> if you fork 25 time in one day, what's the actual impact? If you fork 2500
> times a second for several hours straight, then you probably want a
> compiled language.
>
> On Mon, Oct 24, 2016 at 12:48 PM, Chris Fowler <
> cfowler at outpostsentinel.com> wrote:
>
>>
>>
>> ------------------------------
>>
>> *From: *"leam hall" <leamhall at gmail.com>
>> *To: *"Atlanta Linux Enthusiasts" <ale at ale.org>
>> *Sent: *Monday, October 24, 2016 12:08:48 PM
>> *Subject: *Re: [ale] Bash vs Perl
>>
>> My unsolicited opinion, based off using Ruby, is that if the cost of a
>> fork is critical use C or Go. Otherwise, "a difference that makes no
>> difference is no difference".
>>
>>
>> I don't know Ruby, but I'm sure you can text processing without executing
>> awk, cut, sed, tr, and their other friends.   I'm talking about the expense
>> when you need to do processing that would require call those programs.
>> The annoyances of those friends is the subject of another day. :)
>>
>>
>>
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>
>
> --
> Mind on a Mission <http://leamhall.blogspot.com/>
>
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-- 
  Ed Cashin <ecashin at noserose.net>
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