zJOS/Puspa© Pipelined Scheduling
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The document describes the scheduling flow of jobs in a pipelined system. It shows the scheduling of 5 jobs (JOB0 to JOB4) based on certain conditions. The jobs have multiple steps that need to complete with specific condition codes for the next job to be scheduled. For example, JOB1 can only be scheduled after STEP01 of JOB0 completes with a condition code of 0. The scheduling aims to keep the pipeline full by scheduling the next job as soon as the conditions allow.
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zJOS/Puspa© Pipelined Scheduling
- 1. zJOS/Puspa© Pipelined Scheduling Flow An animated illustration
- 2. Schedule Plan step01 step02 JOB0 JOB3 JOB4 step31 step32 JOB1 JOB2 JOB5 step41 step42 step43 step11 step12 step13 step21 step22 step23 step51 step52 step53 MSG1 MSG2 CC=0 CC<4 CC=0 CC<8 CC=0 CC<4 CC=0 CC>4 ABEND
- 4. Whatch Out The following slides are animated, wait each slide until the sign below is occurred, then click to continue
- 5. step01 JOB0 CC=0 step01 step02 step11 CC=0 CC<4 step02 step11 step12 JOB1
- 6. step11 step12 step21 MSG1 CC<4 step01 step02 JOB0 CC=0 CC=0 JOB1 JOB2
- 7. step11 step12 step21 MSG1 CC<4 CC<8 step01 step02 JOB0 CC=0 CC=0 step12 step13 CC=8 step21 step31 ??? CC=8 step22 CC<4 step13 JOB1 JOB1 JOB2 JOB3
- 8. step31 step21 step22 MSG1 CC<4 CC<8 CC=8 CC<4 CC=0 step01 step02 JOB0 CC=0 CC=0 step11 step12 step13 step31 step32 step22 step23 MSG2 step41 JOB3 JOB1 JOB2 JOB4
- 9. step31 step32 step41 step21 step22 step23 MSG1 MSG2 CC<4 CC<8 CC=8 CC<4 CC=0 step01 step02 JOB0 CC=0 CC=0 step11 step12 step13 step32 step41 step42 JOB3 JOB3 JOB4 JOB1 JOB2
- 10. step31 step32 step41 step42 step21 step22 step23 MSG1 MSG2 CC<4 CC<8 CC=8 CC<4 CC=0 CC>4 step01 step02 JOB0 CC=0 CC=0 step11 step12 step13 ABEND step23 step51 step42 step43 step51 step52 step43 step52 step53 step53 JOB5 JOB4 JOB2 JOB3 JOB4 JOB1 JOB2 JOB5
- 11. step41 step42 step43 step51 step52 step53 MSG1 MSG2 CC<4 CC<8 CC=8 CC<4 CC=0 CC>4 ABEND step01 step02 JOB0 CC=0 CC=0 step11 step12 step13 step31 step32 step21 step22 step23 JOB3 JOB4 JOB1 JOB2 JOB5
- 12. MSG1 MSG2 CC<4 CC<8 CC=8 CC<4 CC=0 CC>4 step01 step02 JOB0 CC=0 CC=0 step11 step12 step13 step31 step32 step21 step22 step23 step41 step42 step43 step51 step52 step53 JOB3 JOB4 JOB1 JOB2 JOB5
- 13. Thank You