For #2, could you try comparing performance on VMS vs on Linux running as the host OS on the same Itanium system? Narrowing it down to one variable at a time makes it easier to test differences.
You should be able to use a live CD on the Itanium system to test without reinstalling the system. Pat On Thu, Sep 15, 2016 at 11:50 AM, gérard Calliet < [email protected]> wrote: > Hello, > > simh on OpenVMS again. > > 1) with the help of an Lan expert of VSI, I could use pcap on VMS on an > Itanium i4... some time and it is again impossible. I will meet the VSI > expert on OpenVMS bootcamp in Boston next week, anf I hope we will address > this issue again. Any idea welcomed, of course. (It seems PCAP on VMS > does'nt like larger frame with i4, because it is the only diference I can > see between i2 and i4 Itanium servers, and it works on i2). > > 2) there is a very bad performance issue: same batch on a windows10 / i7 > platform six times faster than on an i2 / OpenVMS platform. I don't think > it's a normal issue of windows or x86 being better than OpenVMS / italium > i2. Something goes wrong somewhere. I gave a huge working set to the host > process, and it is not doing paging, I tried Decram to avoid physical I/O, > asynchronous I/O is enabled for simh (and the simh configuration is the > same on windows and on OpenVMS). > > Any help will be welcomed: ideas, tools for tracking,... > > Best regards, > > Gérard Calliet > > > > --- > L'absence de virus dans ce courrier électronique a été vérifiée par le > logiciel antivirus Avast. > https://www.avast.com/antivirus > > _______________________________________________ > Simh mailing list > [email protected] > http://mailman.trailing-edge.com/mailman/listinfo/simh
_______________________________________________ Simh mailing list [email protected] http://mailman.trailing-edge.com/mailman/listinfo/simh
