> > I can report at least one system (not Scheme) that I know promotes > bitvectors to bytevectors for speed purposes precisely because masking > out the bits is too expensive. In my own tests this has been born out > as well. >
Do you know what makes masking the bits on that system so expensive? Is there considerable overhead beyond the low-level bit-manipulation instructions?
_______________________________________________ Scheme-reports mailing list [email protected] http://lists.scheme-reports.org/cgi-bin/mailman/listinfo/scheme-reports
