On Sun, Nov 12, 2017 at 10:21 PM, Tim Chase <[email protected]> wrote: > If I change the "exec" to an "echo", it's as fast as I expect. > > Any idea what might be making the exec so slow?
It's vim writing to disk that makes it slow. I ran it on SSD it's fast, on a spindle disk it's slow. I use fatrace[1] to see the file create/write/close operations done by vim. So vim is writing to the file for each line that matches the pattern. $ sudo fatrace ... vim(4719): WO /home/nazri/disk/20150425.txt vim(4719): W /home/nazri/disk/20150425.txt vim(4719): CW /home/nazri/disk/20150425.txt vim(4719): CW /home/nazri/disk/20150425.txt vim(4719): CO /home/nazri/disk vim(4719): WO /home/nazri/disk/20150425.txt vim(4719): W /home/nazri/disk/20150425.txt vim(4719): CW /home/nazri/disk/20150425.txt vim(4719): CW /home/nazri/disk/20150425.tx ... nazri [1] https://launchpad.net/fatrace https://github.com/truncs/fatrace -- -- You received this message from the "vim_use" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_use" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
