Displaying bitmaps in DrRacket using 2htdp/image is near instantaneous when (display)-ed, but takes quite a while when shown as a result.
The effect gets very bad when lots of images are combined with (beside) and (above), while (display)-ing remains fast. Racket version is 6.5. Dan Sample comparison: displayln: 1 milliseconds result: 714 milliseconds Code: #lang racket (require 2htdp/image) (define harpos (bitmap/url " http://3.bp.blogspot.com/-_PE5YujeDKk/VcP3vpTgJZI/AAAAAAAAGpE/97T8sdMj6CE/s640/harpo-tryptych.png ")) (define a (current-milliseconds)) (displayln harpos) (define b (current-milliseconds)) (~a "displayln: " (- b a) " milliseconds") (define c (current-milliseconds)) harpos (define d (current-milliseconds)) (~a "result: " (- d c) " milliseconds") -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.