From: Johannes Sixt <j6t@kdbg.org>
Date: Mon, 17 Apr 2017 08:03:56 GMT
Subject: Re: Index files autocompletion too slow in big repositories (w / suggestion for improvement)
Message-ID: <2304c00a-ed87-7119-3753-95f61bcf28f6@kdbg.org>
In-Reply-To: <xmqqefwrk7ao.fsf@gitster.mtv.corp.google.com>

Am 17.04.2017 um 06:05 schrieb Junio C Hamano:
> Johannes Sixt <j6t@kdbg.org> writes:
>> This is about command line completion. We go a long way to avoid
>> forking processes there. What is 10x faster on Linux despite of
>> forking a process may not be so on Windows.
>
> Doesn't this depend on how many paths there are?  If there are only
> a few paths, the loop in shell would beat a pipe into sed even on
> Linux, I suspect, and if there are tons of paths, at some number,
> loop in shell would become slower than a single spawning of sed on
> platforms with slower fork, no?

Absolutely. I just want to make sure a suggested change takes into 
account the situation on Windows, not only the "YESSSS!" and "VERY 
WELL!" votes of Linux users ;)

-- Hannes