Date: Fri, 5 Mar 2004 19:22:00 -0800 From: Chris Pressey <cpressey@catseye.mine.nu> To: Rahul Siddharthan <rsidd@online.fr> Cc: chat@freebsd.org Subject: Re: FreeBSD Most wanted Message-ID: <20040305192200.7a377e92.cpressey@catseye.mine.nu> In-Reply-To: <1078538135.40492f9742e70@imp4-q.free.fr> References: <20040306012556.GA2554@online.fr> <200403060245.05790.dgw@liwest.at> <1078538135.40492f9742e70@imp4-q.free.fr>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, 6 Mar 2004 02:55:35 +0100 Rahul Siddharthan <rsidd@online.fr> wrote: > Daniela wrote: > > I like doing AI programming, that's numbercrunching most of the time. > > > > A compiler can't, for example, know whether you need to have zero returned > > from the atoi() function when the user entered nonsense. If you don't need to > > check whether the user has entered a valid number, you can do it *much* > > faster. > > Excellent example. Here you're limited by the speed of the fingers of > the user who's entering the data, so there's *absolutely no point* in > optimising the atoi() function in this way. (Or if you're reading from > the disk, the disk I/O will be the bottleneck, though it's admittedly > faster than fingers.) I don't understand your point... atoi() is not an I/O function. -Chris
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040305192200.7a377e92.cpressey>