Bernd Oppolzer <[EMAIL PROTECTED]> wrote: > > By the way: most of the new development on IBM systems (for example LE) is > done in C, as you can see by looking at the LE modules. > > C is not very widely used by IBM customers; there are only few large > companies in germany using C/370 for mission-critical apps. But I have the > impression that an increasing part of system-related development for > mainframes is done in C, by IBM and others. > > The guy who wrote the article has never heard of this, I guess. > > C is simple, working, portable, great fun (personal opinion). > > Regards > > Bernd
Well... not to be too "advertisy", but we can certainly give you many examples of people using C and C++ for mainframe development, on various operating systems. See http://www.dignus.com for more info. But - to offer my take on the article - and this is only my opinion.... Although the article did have issues, I'm most disconcerted with some of the bang-per-buck comparisons (one of the charts showed a mid-range SUN performs at 300% that of the z/900 at only %18 of the cost... and that was a *mid-range* SUN!) You really have to get past the history stuff (just skip through it, most of the people here already know the history) to get at the point of the article. The point, to me, seems to be the Linux on the mainframe didn't make sense because a) it ran too slow, and b) the hardware/software was too expensive. These are quite significant allegations - which I hope someone (IBM?) will spend the time/effort to refute, or at least address in future hardware. If a mid-range SUN is only 18% of the cost of a (slower) mainframe, it will make selling mainframe Linux (vs. SUN Linux) a lot harder. Granted, the RAS facilities of the mainframe are nice, but for 18% of the cost... if you had to, you could buy 3 or 4 SUN boxes, keeping most of them in the closet as "spares" and still be cheaper. Now - that's what I got from the article - I have absolutely no idea if these numbers are correct... I certainly hope there was significant room for error... and that someone will correct the impression. I'm also interested in seeing the bonnie and bonnie++ results. - Dave Rivers - -- [EMAIL PROTECTED] Work: (919) 676-0847 Get your mainframe programming tools at http://www.dignus.com > > > > > > There is a lot of stuff bubbling around in IBM also. They have some top > > guys working on NUMA machines that are regularly collaberating (sending > > code to) the Linux kernel development tree. > > > > john alvord >
