sonnyOrullivan

3 ms·

1. 1.▲
   by sonnyOrullivan 3y ago

   I don't think I need to be reading this. The uptime and several 9s of high availability are attainable with z/OS and a parallel sysplex. No doubt systems like these are used by banks and others in the wild. But this doesn't
2. 2.▲
   by sonnyOrullivan 3y ago

   > Consider that partitions are completely isolated from each other. Not some pesky soft isolation either, it's all done in hardware. In practice, every partition in a mainframe is a different logical yet isolated mainframe. "C
3. 3.▲
   by sonnyOrullivan 3y ago

   Telum is attached to the L2/L3 so it's that bandwidth as long as the model fits into it. Afterwards you go to memory and you really don't want to compare DDR4 modules with RAIM against HBM3 or the likes that a current comput
4. 4.▲
   by sonnyOrullivan 3y ago

   Sorry to say that your previous "evangelism" shows. It would be very interesting to hear what "unbelievably powerful" means (as in facts and numbers) compared to what a hyperscaler can provide. E.g. SPEC for CPU, GFLOP
5. 5.▲
   by sonnyOrullivan 13y ago

   Wouldn't it simply be a linear bounded automaton (LBA)? I understand you can implement recursion via some tricks but only as many steps as you predefine (see e.g. https://stackoverflow.com/questions/7508475/is