OpenVMS Success Story - Woertman

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Few more interesting issues.. C++ compiler – Problem with a class derived from an empty base class • On alpha − creates an extraneous eight byte offset before the defined member variable − Increases size of the derived class − Because of old ARM object model − Can impose interoperability problem with other languages • On Integrity − Model is ABI − Different from /MODEL=ARM and /MODEL=ANSI − Doesn’t add extraneous eight byte 30 © Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.
Few more interesting issues contd.. • Resolution − Integrity behavior is perfect − ANSI model on Alpha is modified to provide I64 like feature − On Alpha recompile and relink all sources and libraries with “/model=ansi” qualifier − Development is in progress to make it the default behavior on Alpha 31 © Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.
Page 1 and 2: Customer Success Stories Chinmay Gh
Page 3 and 4: Customer 1 • Large telecom custom
Page 5 and 6: Issues faced during migration SLS n
Page 7 and 8: Issues faced post migration ‟ Ana
Page 9 and 10: Customer 2 • Provides travel solu
Page 11 and 12: Performance analysis • T4 data
Page 13 and 14: Key takeaways • SDA extensions (P
Page 15 and 16: Customer 3 ‟ Existing and propose
Page 17 and 18: Issues faced post migration • Tux
Page 19 and 20: Rdb performance issues (2/4) Proble
Page 21 and 22: Rdb performance issues (4/4) Final
Page 23 and 24: Customer 4 • Telecom solution pro
Page 25 and 26: Analysis on BL860c(4 CPUs) • MP s
Page 27 and 28: Comparison of performance on a clus
Page 29: Conclusions • BL860c 4 CPUs setup
Page 33 and 34: Customer Lab To help customers in
Page 35 and 36: Further Information and contact Off
Page 37: Thank you © Copyright 2012 Hewlett

OpenVMS Success Story - Woertman

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