Does anybody know which is more CPU efficient? Functionally equivalent
SDSF API code in REXX or in Java? Assume there is no zAAP or zIIP to
offload the Java workload. Assume fairly equal programming ability in
the person doing the coding (equally medium). Compiling of Java would
occur on my desktop using Netbeans as the IDE. REXX would be edited on
z/OS using ISPF edit. The code would either run in the HTTP server or in
batch (using JZOS for Java; and IKJEFT01 for REXX or maybe even Co:Z to
run REXX in a UNIX environment instead of a TSO environment). 

Secondary question. In general, would using Co:Z's UNIX setup be more
efficient, less efficient, or generally equal to IKJEFT01 for running
REXX? I guess that might be comparing TSO in batch vs. UNIX in batch.
I'd almost bet on TSO due to the overhead of fork()'ing in UNIX.

-- 
John McKown
Maranatha! <><

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