On Thu, 7 Sep 2006 20:16:09 -0300, Clark F Morris <[EMAIL PROTECTED]> wrote:
>2. I am saying that COBOL is required to deliver the same results on >decimal arithmetic regardless of platform and presence or absence of >decimal arithmetic on that platform. Thus the HP Superdomes in this >case should still get the same results in any given computation if >compatible compiler options are chosen to match what was done on the z >series. Maybe so. I don't know, but I'm skeptical. Is there no other language that can be run on z/OS and the HP that will perform proper decimal arithmetic? > >3. Packed decimal arithmetic is much slower than binary on the z >series. True decimal arithmetic becomes even more painful compute >time wise on those platforms that don't have a decimal arithmetic >instruction set. The greater speed of the other processors offsets >this to at least some extent. Is it? Again, I don't know how the speed of packed decimal arithmetic compares to binary on a z/Architecture box. However, when you look at all the other instructions in a typical DP application, the amount of time spent doing arithmetic as a very small percentage. Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
