Performance Guidelines
Determine the maximum size of the virtual=real area for a real machine
with 384K of real storage. TheVM/370 system requires 244K to IPL. r r, r " I I 384K , 1384K - 256K" ARS 384K - 1244K + 4KI----1 + 12K + 4KI-----------I' , I 256K I I 64K , t
L L.J ARS = 384K -[244K + 4K[2] + 12K + 8K] ARS = 384K -[272K] ARS 112K
L.J.J Note that the fraction 384/256 in the trace table calculation is rounded
to the next higher integer, two.
rr "
!1384K - 256K -112KI I VRS = 384K - 1244K + 8K + 12K + 4KI-----------------1 + 16K I , I 64K I , L L .J .J r r , , I I 16, I VRS = 384K - 1264K + 4KI--1 + 16K I I 1641 I L L L .J VRS = 384K -[28 OK] VRS = 104K
Note that the calculationRM - 256K - ARS 64K
results in a fraction that is then replaced by zero.Part 1. Planning for System Generation 15
Determine the maximum size of the virtual=real area for a real machine
with 384K of real storage. The
L L
L
to the next higher integer, two.
r
!
Note that the calculation
results in a fraction that is then replaced by zero.