December 19, 2001
ACL 6.1

I just got a copy of ACL 6.1. There are some cool-looking new features (Mac OS X support, localization), but there is something very wrong with the emacs-lisp interface. It is reaaaally slow. When Mike showed me how slow it had become, I decided to hold off on upgrading.

After hitting Enter (fi:inferior-lisp-newline) in emacs to send a form to lisp for evaluation, there is a noticeable pause (maybe three-quarters to a full second) before the return value is printed, or any side-effect I/O is displayed. It could be that there is a delay before the form is sent to lisp, or before the output from lisp is displayed in emacs.

Mike and Will both installed 6.1 and noticed the slowdown. Mike installed all the latest patches from Franz, and while the patches did improve things, there was still an annoying delay.

So I remain at 6.0 until we hear back from Franz about how to fix this.

Posted by jjwiseman at December 19, 2001 01:20 AM

There doesn't seem to be a free trial version of ACL available for OS X yet.

Posted by: jjwiseman on January 18, 2002 09:57 PM
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