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From: bart <bc@freeuk.com>
Newsgroups: comp.lang.c
Subject: Re: Suggested method for returning a string from a C program?
Date: Fri, 28 Mar 2025 22:48:11 +0000
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On 28/03/2025 22:33, Keith Thompson wrote:
> bart <bc@freeuk.com> writes:
>> On 28/03/2025 20:41, Scott Lurndal wrote:
> [...]
>>> The gnu compiler is not multithreaded.  The single thread was
>>> compute bound for 13 minutes and 46 seconds.
>>
>> So what was that -j96 about?
> 
> "-j96" is an option to GNU make, not to the compiler.  It might invoke
> gcc multiple times in parallel, but each invocation of gcc will still be
> single-threaded.
> 

So, is there just once instance of gcc at work during those 13 minutes, 
or multiple?

In other words, would it take longer than 13:40 mins without it, or does 
it help? If -j96 makes no difference, then why specify it?