Patrick's suggestion is a great one. Please explore that. Additionally, you're not necessarily making a fair comparison. To be fair, you should compare the I2 system to an X86 system that was shipping when that I2 system first shipped. I suspect you'll see closer results.
- Mark On Sep 15, 2016 10:22 AM, Patrick Finnegan <[email protected]> wrote: > > 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]<mailto:[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<https://www.avast.com/antivirus> >> >> _______________________________________________ >> Simh mailing list >> [email protected]<mailto:[email protected]> >> http://mailman.trailing-edge.com/mailman/listinfo/simh<http://mailman.trailing-edge.com/mailman/listinfo/simh> > >
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