On 12/09/2018 6:07 PM, ITschak Mugzach wrote:
Boys, don't still the thread... I need to understand why is same code not
working under SystemRexx. Try it yourself.
I would take a guess that if you are running System REXX with TSO=YES
then sysvar('SYSCPU') is returning the CPU time of
the parent task and not the CPU time of task that the exec is running in.
ITschak
On Wed, Sep 12, 2018 at 12:56 PM Mike Shorkend <[email protected]>
wrote:
I use the procedure provided by IBM, taking all compiler option defaults
// JCLLIB ORDER='FAN140.SVSC.PROCLIB'
//S1 EXEC REXXC
//SYSCEXEC DD DSN=MIKE.CREXX(LOOP2),DISP=SHR
//SYSIN DD DSN=MIKE.REXX(LOOP2),DISP=SHR
which expands to
XX*-----------------------------------------------------------------
XX* Compile REXX
program.
XX*-----------------------------------------------------------------
XX*
5 XXREXX EXEC
PGM=REXXCOMP,PARM='&OPTIONS'
IEFC653I SUBSTITUTION JCL - PGM=REXXCOMP,PARM='XREF
OBJECT'
6 XXSTEPLIB DD
DSN=&COMPDSN,DISP=SHR
IEFC653I SUBSTITUTION JCL -
DSN=FAN140.SFANLMD,DISP=SHR
7 XXSYSPRINT DD
SYSOUT=*
8 XXSYSTERM DD
SYSOUT=*
XX*SYSIEXEC DD
DUMMY
XX*SYSDUMP DD
DUMMY
9 //SYSCEXEC DD
DSN=MIKE.CREXX(LOOP2),DISP=SHR
X/SYSCEXEC DD
DSN=&&CEXEC(GO),DISP=(MOD,PASS),UNIT=SYSDA,
X/
SPACE=(800,(800,100,1))
10 XXSYSPUNCH DD
DSN=&&OBJECT,DISP=(MOD,PASS),UNIT=SYSDA,
XX
SPACE=(800,(800,100))
11 //SYSIN DD
DSN=MIKE.REXX(LOOP2),DISP=SHR
On Wed, 12 Sep 2018 at 12:44, David Crayford <[email protected]> wrote:
z/OS 2.3, IBM Compiler for REXX on zSeries 4.0 LVL PI76785.
Can you share you compiler JCL?
On 12/09/2018 5:32 PM, Mike Shorkend wrote:
David - I ran it on z/OS 2.2, the REXX compiler is 1.4
How about you?
On Wed, 12 Sep 2018 at 12:27, David Crayford <[email protected]>
wrote:
On 12/09/2018 4:56 PM, Mike Shorkend wrote:
The new test shows:
Non-compiled
CPU TIME = 77.09
Compiled
CPU TIME = 11.27
Your results are different to mine!
Interpreted: CPU time = 3.12
Compiled: CPU time = 7.99
Not so great, because of the inefficient memory management with stem
usage?
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Mike Shorkend
[email protected]
www.shorkend.com
Tel: +972524208743
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