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Status Not under consideration
Workspace COBOL Compilers
Created by Guest
Created on Nov 12, 2021

RELATED IDEAS

Let Enterprise Cobol Compiler exploit zIIP CPU

Starting from version 5, enterprise cobol compilers have increased the cpu used to compile programs, especially using optimization options of the executables.
Offload the CPU used by compilers to zIIP processors at least during the most cpu busy phases.

Idea priority Medium
  • Guest
    Reply
    |     Dec 2, 2021

    Hi, we have discussed this RFE internally. Enterprise COBOL v5 and above increased CPU usage because optimization is a CPU intensive process. The cost savings should come from execution of the optimized code. zIIP offloading is very restrictive. It is only available for a small number of workloads (e.g. Java, zCX, pure XML parsing). Unfortunately, COBOL compile workloads do not qualify for zIIP offloading. This is why we are not able to offer this capability.

  • Guest
    Reply
    |     Nov 26, 2021

    Hello,
    my older RFE 111109 with same content "COBOL 6 should use zIIP processor"
    was declined.
    The CPU time increases 15 times.
    This means not percent, so from example 100 CPU-seconds to 115 CPU seconds,
    but to 1500 CPU seconds.
    Especially the optimization needs no I/O, so it should (technically) be able to delegate it to zIIP processor.
    Guenter

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