[Haskell-cafe] How to optimize a directory scanning?

KC kc1956 at gmail.com
Sat May 11 22:23:54 UTC 2019


Thank you for making the `posix-paths` package for fast directory
traversals:

Are directories stored in consecutive disk blocks?

On Fri, May 10, 2019 at 6:53 PM Niklas Hamb├╝chen <mail at nh2.me> wrote:

> Hi,
>
> we made the `posix-paths` package for fast directory traversals:
>
>     https://hackage.haskell.org/package/posix-paths
>
> You can find benchmarks in
>
>     https://github.com/JohnLato/posix-paths#benchmarks
>
> Some more tips (some of them you're already following as per other
> threads):
>
> * Use `time` to if time is spent on kernel CPU, userspace CPU, or waiting
> * Use `strace -fy` with `-ttt` and `-T` to see timings, and `-c` and `-wc`
> summary statistics
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-- 

--

Sent from an expensive device which will be obsolete in a few months! :D
Casey
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