Date: Fri, 13 Sep 2024 07:17:20 +0100 From: David Chisnall <theraven@freebsd.org> To: Joe Schaefer <joesuf4@gmail.com> Cc: Pat Maddox <pat@patmaddox.com>, Alan Somers <asomers@freebsd.org>, Chris <bsd-lists@bsdforge.com>, Warner Losh <imp@bsdimp.com>, FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: The Case for Rust (in any system) Message-ID: <2EE309BF-CE1D-48AD-9C53-D4C87998B4A0@freebsd.org> In-Reply-To: <CAOzHqcJ0rOR4CoL84WgZQNcgY2G9vuiHccE4XT_otJ2R51KJ3Q@mail.gmail.com>
index | next in thread | previous in thread | raw e-mail
On 13 Sep 2024, at 02:34, Joe Schaefer <joesuf4@gmail.com> wrote: > > I just completed a month long project to port a C++ codebase that used vectors for array allocations back to using C‘s calloc. For a 15% increase in memory footprint, batch jobs that took three days to complete now finish in 10-12 hours. This sounds highly dubious given that std::vector is a very thin wrapper around malloc. From your description, I would expect the same speedup with some judicial use of .reserve(). Davidhelp
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?2EE309BF-CE1D-48AD-9C53-D4C87998B4A0>