Path: ...!eternal-september.org!feeder2.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Tim Rentsch Newsgroups: comp.lang.c Subject: Re: else ladders practice Date: Tue, 26 Nov 2024 04:29:55 -0800 Organization: A noiseless patient Spider Lines: 26 Message-ID: <86cyiiqit8.fsf@linuxsc.com> References: <3deb64c5b0ee344acd9fbaea1002baf7302c1e8f@i2pn2.org> <86y117qhc8.fsf@linuxsc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Date: Tue, 26 Nov 2024 13:29:55 +0100 (CET) Injection-Info: dont-email.me; posting-host="1ebfc87b5a97bb6cfe9751ebbb383b2b"; logging-data="3626788"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/9m0cfH9hRKvkUhN9JfTj/cHk3aKKBMPo=" User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.4 (gnu/linux) Cancel-Lock: sha1:WTEEKcmjDzhXVWRByrUtlcOir+I= sha1:2OuxH9P3zKFVw3eabEKkP0gdtOk= Bytes: 2399 Bart writes: > On 25/11/2024 18:49, Tim Rentsch wrote: > >> Bart writes: >> >>> It's funny how nobody seems to care about the speed of compilers >>> (which can vary by 100:1), but for the generated programs, the 2:1 >>> speedup you might get by optimising it is vital! >> >> I think most people would rather take this path (these times >> are actual measured times of a recently written program): >> >> compile time: 1 second >> program run time: ~7 hours >> >> than this path (extrapolated using the ratios mentioned above): >> >> compile time: 0.01 second >> program run time: ~14 hours > > I'm trying to think of some computationally intensive app that would > run non-stop for several hours without interaction. The conclusion is the same whether the program run time is 7 hours, 7 minutes, or 7 seconds.