On Mon, Jun 22, 2020 at 2:16 PM Ilkka Virta <itvi...@iki.fi> wrote: > > On 22.6. 19.35, Chet Ramey wrote: > > On 6/22/20 1:53 AM, Jason A. Donenfeld wrote: > >> Currently a static sized buffer is used for reading files. At the moment > >> it is extremely small, making parsing of large files extremely slow. > >> Increase this to 4k for improved performance. > > > > I bumped it up to 1024 initially for testing. > > It always struck me as odd that Bash used such a small read of 128 > bytes. Most of the GNU utils I've looked at on Debian use 8192, and a > simple test program seems to indicate glibc's stdio reads 4096 bytes at > one read() call.
Plus most other shells people use...
