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CP 64-Bit Support

z/VM 3.1.0 introduces support in CP for 64-bit addressing. One important aspect of this support is that the 64-bit version of CP is now able to run in real storage sizes greater than 2 Gigabytes. The performance implications of this support are the subject of the following 3 sections:

  • Real Storage Sizes above 2G

  • Minidisk Cache with Large Real Storage

  • The 2G Line

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