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