On Thu, May 4, 2017 at 10:23 AM, Dyck, Lionel B. (TRA) <lionel.d...@va.gov> wrote:
> It's also probable the newer Fortran compilers would do a better job > optimizing the code. > I don't really know what machine they want the code to run on. But using something like OpenMP to use multithreading _might_ increase performance. If "performance" translates as "getting the answer in less wall-clock time". > > -------------------------------------------------------------------------- > Lionel B. Dyck > Mainframe Systems Programmer - TRA > Enterprise Operations (Station 200) (005OP6.3.10) > Information and Technology, IT Operations and Services > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of Steve Beaver > Sent: Thursday, May 04, 2017 10:19 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: [EXTERNAL] FW: Nasa runs competition to help make old Fortran > code faster > > I you can't read Fortran converting it will be a pain. You are also > talking about a language that was designed to do very, very heavy > computational work and the language was optimized to do that. I can > promise you that you can rewrite it however when IBM Mainframes are running > a bunch of 5.4 GHz processors it will beat any other "MODERN" language 1500 > to 1 > > And Modern Fortran http://www-03.ibm.com/software/products/en/ > fortcompfami > > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of IronSphere by SecuriTeam Software > Sent: Thursday, May 4, 2017 9:28 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: Nasa runs competition to help make old Fortran code faster > > Old compilers that uses many branchs and short words? > > Itschak > > בתאריך 4 במאי 2017 16:57, "Phil Smith" <p...@voltage.com> כתב: > > > (Note to the Brits: That's "NASA", not "Nasa"-yeah, yeah, house style. > > But > > stupid.) > > > > http://www.bbc.com/news/technology-39803425 > > > > So my question on this is, "If this old code ran anywhere near to > > acceptably when it was written, how can it possibly not be fast enough > > on modern hardware?!" > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, send > > email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email > to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email > to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > -- Advertising is a valuable economic factor because it is the cheapest way of selling goods, particularly if the goods are worthless. -- Sinclair Lewis Maranatha! <>< John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
