Re: [PATCH] tags: much faster, parallel "make tags"

From: Michal Marek
Date: Wed Apr 15 2015 - 05:38:53 EST


On 2015-04-14 19:20, Alexey Dobriyan wrote:
> ctags is single-threaded program. Split list of files to be tagged into
> equal parts, 1 part for each CPU and then merge the results.
>
> Speedup on one 2-way box I have is ~143 s => ~99 s (-31%).
> On another 4-way box: ~120 s => ~65 s (-46%!).

I want this! :-)


> + # seems like Useless Use of cat(1) but not really
> + NR_LINES=$(cat .make-tags.src | wc -l)

wc -l <.make-tags.src

Michal
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