Re: Interpreting statprof

[Andy Wingo <wingo@pobox.com>]

On Tue 17 Sep 2013 18:14, Dmitry Bogatov <KAction@gnu.org> writes:

> Hello!
>
> Today I tried to statprof my toy application, that uses htmlprag
> since it is too slow (4 sec on one page) vs 0.5 with Python.
> Statprof says, that most of time takes `eval` function, but I checked
> htmlprag source --- it does not use eval. So question is where is it
> called and what can I do to speedup my application?
>
> PS. Should I attach source file and html file to parse?
>
> %     cumulative   self
> time   seconds     seconds      name
>  56.48      4.22      2.38  eval
>  11.82      0.50      0.50  memoized-expression-data
>   9.22      0.39      0.39  list-ref
>   8.36      0.35      0.35  memoized-expression-typecode

Probably this means that your program is being interpreted, rather than
compiled.  Or something is being interpreted, anyway.  Check that you
have auto-compilation on.

Cheers,

Andy
>   4.03      0.17      0.17  write-char
>   2.31      0.10      0.10  get-output-string
>   1.44      0.06      0.06  list-set!
>   1.15      0.05      0.05  variable?
>   1.15      0.05      0.05  open-output-string
>   0.86      0.04      0.04  read-char
>   0.86      0.04      0.04  #<procedure 27e8960 at ice-9/eval.scm:416:20 ()>
>   0.58      0.02      0.02  eqv?
>   0.29      0.01      0.01  equal?
>   0.29      0.01      0.01  memv
>   0.29      0.01      0.01  map
>   0.29      0.01      0.01  string->symbol
>   0.29      0.01      0.01  eof-object?
>   0.29      0.01      0.01  #<procedure 253c900 at ice-9/eval.scm:416:20 (a)>
>   0.00      4.22      0.00  statprof
>   0.00      4.22      0.00  save-module-excursion
>   0.00      4.22      0.00  #<procedure 25051c0 at ice-9/boot-9.scm:3961:3 ()>
>   0.00      4.22      0.00  #<procedure 27e2690 at statprof.scm:655:4 ()>
>   0.00      4.22      0.00  load-compiled/vm
>   0.00      4.22      0.00  apply-smob/1
>   0.00      4.22      0.00  call-with-prompt
>   0.00      4.22      0.00  catch
>   0.00      4.22      0.00  perform-action
> ---
> Sample count: 347
> Total time: 4.218837499 seconds (0.176613742 seconds in GC)
>
> --
> Best regards, Dmitry Bogatov <KAction@gnu.org>,
> Free Software supporter and netiquette guardian.
> 	git clone git://kaction.name/rc-files.git --depth 1
> 	GPG: 54B7F00D
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