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Coupling Thin Interrupts and Coupling Facility Performance in Shared Processor Environments



Document Author:

Barbara Weiler


Document ID:

WP102400


Doc. Organization:

Systems and Technology Group


Document Revised:

01/06/2014


Product(s) covered:

zEC12; zEnterprise EC12; zSeries; z/OS







Abstract: How the various sharing protocols, including the new Coupling Thin Interrupts introduced with CF Level 19 supported on zEC12 and zBC12, perform will be examined in this paper. By comparing the performance of these shared CF processor options it will be evident that the use of coupling thin interrupts in the CF provides significant improvement in CF shared processor environments. This improvement will be evident in environments that are already using shared CF processors and will expand the number of environments in which shared CF processors are viable.

Coupling Thin Interrupts 20131217.pdfCoupling Thin Interrupts 20131217.pdf



Classification:

Hardware; Software; Solutions

Category:

Performance

Solution(s):

Business Innovation and Optimization (BIO)



Platform(s):

IBM System z Family

S/W Pillar(s):

IBM System z Software

O/S:

z/OS

Keywords:

Coupling Thin Interrupts, Shared engine Coupling Facilities


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