On Thu, Sep 24, 2009 at 12:59 PM, Taylor R Campbell <campb...@mumble.net> wrote: > In any case, I thought the point of > STRING-HEAD! was to reduce pressure on the garbage collector, not to > reduce the time spent switching between Scheme land and C land, and we > can reduce pressure on the garbage collector just by using the > primitive SET-STRING-MAXIMUM-LENGTH! if it's available.
Has anyone measured the performance difference between smashing the string head and just taking a substring? I'd bet it's a pretty minimal improvement against the background of the other things that happen during I/O. -- ~jrm _______________________________________________ MIT-Scheme-devel mailing list MIT-Scheme-devel@gnu.org http://lists.gnu.org/mailman/listinfo/mit-scheme-devel
