input/regression/profile-property-access.ly

   1 % -*- Scheme -*-
   2
   3 \header {
   4   texidoc = "This file profiles property accesses; the log file shows the top properties examined.
   5 Note: lilypond must be compiled with --disable-optimising for this file to work."
   6 }
   7
   8
   9 #(ly:set-option 'profile-property-accesses #t)
  10
  11 \version "2.12.0"
  12
  13 \include "typography-demo.ly"
  14 %\book { \score { {c4 } } }
  15
  16 #(define (prop-stats>?  x y)
  17   (cond
  18    ((> (cdr x) (cdr y)) #t)
  19    ((= (cdr x) (cdr y))
  20     (symbol<? (car x) (car y)))
  21    (else #f)))
  22
  23 #(define (display-stats what)
  24   (let*
  25    ((count 50)
  26     (rnd 10)
  27     (round-to (lambda (x) (* rnd (inexact->exact (round (/ x rnd))))))
  28     (alist (map (lambda (entry) (cons (car entry) (round-to (cdr entry)))) (hash-table->alist (ly:property-lookup-stats what))))
  29     (total (apply + (map cdr alist)))
  30    )
  31
  32   (set! alist (acons 'TOTAL total alist))
  33
  34   (ly:progress "\n\n~A properties, top ~a rounded to ~a\n\n~a"
  35    what count rnd
  36    (string-join
  37     (map (lambda (x) (format "~30a: ~6@a" (car x) (cdr x)))
  38      (ly:truncate-list!
  39     (sort alist prop-stats>?) count))
  40     "\n"))))
  41
  42
  43
  44 #(display-stats 'prob)
  45 #(display-stats 'context)
  46 #(display-stats 'grob)
  47
  48