[erlang-questions] speed of neotoma parser

Jesper Louis Andersen jesper.louis.andersen@REDACTED
Thu Nov 12 15:53:53 CET 2015

On Wed, Nov 11, 2015 at 9:48 PM, Max Lapshin <max.lapshin@REDACTED> wrote:

> We've met with this problem earlier in our pulsedb library, when we
> changed very small (one screen) parser from neotoma to yecc and got 50-100
> times speedup.

Based on your speedup here, I'd be willing to bet there is something inside
neotoma that is

* rather easy to optimize
* yields good speedup

Two orders of magnitude is simply so far away in parsing speed (for a
simpler grammar system) that I'm willing to bet you are doing some work you
don't need to do.

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