Re: [patch] iowatcher: spwan NPROCESSORS_ONLN rsvg-convert-s

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On 8/31/18 2:01 PM, Jeff Moyer wrote:
> iowatcher currently always spawns 8 rsvg-convert processes, no matter
> how many CPUs a system has.  I did some limited testing of different
> numbers of rsvg-convert processes.  Here are the results:
> 
> 8 processes:
> real	4m2.194s
> user	23m36.665s
> sys	0m38.523s
> 
> 20 processes:
> real	2m28.935s
> user	24m51.817s
> sys	0m49.227s
> 
> 40 processes:
> real	2m28.150s
> user	24m56.994s
> sys	0m49.621s
> 
> Note that this is the time it takes for a full run of iowatcher -- I
> didn't separate out just the rsvg-convert portion.
> 
> Given the above results, it seems like a reasonable thing to spawn one
> rsvg-convert process per cpu.

Applied, with the typo fixed.

-- 
Jens Axboe




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