On Wed, 19 Feb 2014 12:51:33 +0000, DASDBILL2 wrote: >Since virtual storage is now so much less expensive and so much more available >than storage [1] was 50 years ago, why not be really extravagant and use one >whole byte per store? If the byte contains 0, then the store number is not >valid, or something like that, and if the byte contains anything other than 0, >then the store number is valid. This should result in much simpler code to >access this table. > Locality of reference.
>[1] In those days, there was no virtual or real storage available on IBM's >mainframes. There was only "storage". -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
